Fuel systems

Sierra 18-7946 10 Micron Fuel Water Separator Filter Sierra high quality replacement Water Separating Fuel Filters are designed to be direct replacements of OEM filters. This fuel filter is specifically designed for the marine environment and today's ethanol blended fuels. Sierra canister fuel filters are epoxy coated to prevent corrosion inside the canister from reaching your fuel system. It is recommended to replace fuel filters every 50 hours of operation or at a minimum of once per year, preferably at winterization. 10 Micron Fuel Filters are over 90% efficient at removing dirt and debris from your fuel system without starving the engine for fuel. For Use on OMC and Volvo Penta Marine Engines. Features: Thread Pitch: 1" - 12 Size: 4.3" H 10 Micron Fire tested to meet ISO and USCG requirements. Pressure and leak tested to ABYC and USCG standards. Replaces: Johnson/Evinrude Outboard 502905 EMP 35-37803 OMC 0502905, 0765543 Mallory 9-37803 GLM 24930 Redline RL7846  Sierra 18-7946 10 Micron Fuel Water Separator Filter FAQs

• What engines is the Sierra 18-7946 fuel water separator filter used for? The Sierra 18-7946 fuel water separator filter is designed for use on OMC and Volvo Penta marine engines.
• What is the micron rating of the Sierra 18-7946 filter? The Sierra 18-7946 is a 10-micron fuel water separator filter designed to help remove dirt, debris, and water from the fuel system.
• How often should I replace the Sierra 18-7946 fuel filter? Replace the Sierra 18-7946 fuel filter every 50 hours of operation or at least once per year, preferably during winterization.
• What is the thread pitch of the Sierra 18-7946 filter? The Sierra 18-7946 fuel water separator filter has a 1"-12 thread pitch.
• What is the height of the Sierra 18-7946 fuel filter? The Sierra 18-7946 fuel water separator filter is 4.3" high.
• What part numbers does Sierra 18-7946 replace? The Sierra 18-7946 fuel filter replaces Johnson/Evinrude 502905, EMP 35-37803, OMC 0502905 and 0765543, Mallory 9-37803, GLM 24930, and Redline RL7846. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What engines is the Sierra 18-7946 fuel water separator filter used for?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7946 fuel water separator filter is designed for use on OMC and Volvo Penta marine engines." } }, { "@type": "Question", "name": "What is the micron rating of the Sierra 18-7946 filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7946 is a 10-micron fuel water separator filter designed to help remove dirt, debris, and water from the fuel system." } }, { "@type": "Question", "name": "How often should I replace the Sierra 18-7946 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "Replace the Sierra 18-7946 fuel filter every 50 hours of operation or at least once per year, preferably during winterization." } }, { "@type": "Question", "name": "What is the thread pitch of the Sierra 18-7946 filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7946 fuel water separator filter has a 1\"-12 thread pitch." } }, { "@type": "Question", "name": "What is the height of the Sierra 18-7946 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7946 fuel water separator filter is 4.3\" high." } }, { "@type": "Question", "name": "What part numbers does Sierra 18-7946 replace?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7946 fuel filter replaces Johnson/Evinrude 502905, EMP 35-37803, OMC 0502905 and 0765543, Mallory 9-37803, GLM 24930, and Redline RL7846." } } ] }

Sierra 18-7945 10 Micron Fuel Water Separator Filter

The Sierra 18-7945 is a 10-micron fuel water separator filter that removes 99.8% of emulsified water from gasoline while maintaining 90 GPH flow rate. This long filter measures 4.35 inches with 11/16-16 thread pitch and works with Honda, MerCruiser, Mercury Marine, and Yamaha engines. It's particularly effective for boats running ethanol-blended fuels, which absorb more water and loosen more particulates than regular gasoline. The filter meets ISO, SAE, and JIS standards and serves as a direct OEM replacement. Replace every 50 hours or annually during winterization for optimal engine protection.

Features:

Ethanol blended fuel absorbs more water and loosens more particulates than regular fuels

Proper filtration is required for every horsepower engine

The Sierra 18 7945 Fuel Water Separator Filter is over 90% efficient at removing particles as small as 10 micron

All filters flow at 90 GPH for reach motors faster

Specifications:

Rating: 10 Micron

Filter Size: Long - 4.35" or 110.5mm

Thread Pitch: 11/16-16

Sierra recommends replacing your filters every 50 hours of operation or at a minimum of once per year, preferably at winterization. 10-Micron filters are your number one defense against problems caused by ethanol fuels. It is important that you do not over-tighten filters, and always inspect for leaks after installation.

Interchangeable with:

Honda Outboard

17670-ZX2-000HE

MerCruiser Stern Drive

35-807172

35-604941

35-60494

35-55501

35-57250

35-60494A5

35-806771

35-8052691

35-802893Q01

35-802893Q

35-802893T

Mercury Marine

35-604941

35-8052691

35-807172

35-802893Q01

35-52456

35-802893T

Yamaha Outboard

ABB-FUELF-IL-TR

MAR-SPRTR-HD-SS

Frequently Asked Questions

• What is the Sierra 18-7945 10 Micron Fuel Water Separator Filter used for? The Sierra 18-7945 is a 10-micron fuel water separator filter designed to remove emulsified water and particulates from gasoline. It maintains a 90 GPH flow rate and is particularly suited for boats using ethanol-blended fuels, which can absorb more water and loosen more particulates than regular gasoline.
• What are the specifications of the Sierra 18-7945 fuel water separator filter? The Sierra 18-7945 has a 10-micron rating, a long filter size measuring 4.35 inches (110.5 mm), and an 11/16-16 thread pitch. The filter flows at 90 GPH and is over 90% efficient at removing particles as small as 10 microns.
• How often should the Sierra 18-7945 filter be replaced? Sierra recommends replacing the 18-7945 filter every 50 hours of operation or at least once per year. The product description recommends replacing it preferably during winterization as part of maintaining proper fuel filtration and engine protection.
• Can the Sierra 18-7945 be used with ethanol-blended fuel? Yes. The Sierra 18-7945 is particularly effective for boats running ethanol-blended fuels. The product description notes that ethanol-blended fuel absorbs more water and loosens more particulates than regular fuels, making proper fuel filtration important for marine engines.
• Which engines and replacement part numbers are compatible with the Sierra 18-7945? The Sierra 18-7945 works with Honda, MerCruiser, Mercury Marine, and Yamaha engines. Listed interchangeable numbers include Honda 17670-ZX2-000HE, MerCruiser 35-807172 and 35-604941, Mercury Marine 35-604941 and 35-807172, and Yamaha ABB-FUELF-IL-TR and MAR-SPRTR-HD-SS. Verify your existing filter number before installation.
• What should I check when installing the Sierra 18-7945 fuel filter? Do not over-tighten the Sierra 18-7945 filter during installation. After installation, always inspect the filter and connections for leaks. Following the manufacturer's replacement and installation recommendations helps ensure the fuel water separator is properly installed and maintained.

Sierra 18-7944 Fuel Water Separator Filter Sierra replacement fuel water separator filter for use with Mercury and MerCruiser engines. Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow at 90 GPH to feed even the hungriest motor. Sierra 10 micron filters are recommended to prevent damage to sensitive inboard and outboard fuel injection systems. Features: Short - 3.875" or 98.4mm 10 Micron Rating for fuel injection engines 11/16-16 Thread pitch Replaces: MerCruiser Stern Drive 35-52456 35-55501 35-57250 35-60494 35-604941 35-60494A5 35-802893Q 35-802893Q01 35-805269 35-8052691 35-806771 35-807172 Mercury Marine 35-52456 35-604941 35-802893Q01 35-805269 35-8052691 35-807172 EMP 35-37800  Frequently Asked Questions

• What is the Sierra 18-7944 Fuel Water Separator Filter used for? The Sierra 18-7944 Fuel Water Separator Filter is designed for use with Mercury and MerCruiser engines to help remove water and contaminants from gasoline before they reach the fuel system.
• How effective is the Sierra 18-7944 at removing water and particles? This filter removes over 99.8% of emulsified water from gasoline. Its 10 micron media is over 90% efficient at removing particles as small as 10 microns.
• What engines is the Sierra 18-7944 fuel filter designed for? The Sierra 18-7944 is a replacement fuel water separator filter for select Mercury Marine and MerCruiser engines. It is recommended for sensitive inboard and outboard fuel injection systems.
• What are the main specifications of the Sierra 18-7944 filter? This is a short filter measuring 3.875" or 98.4 mm in length. It has a 10 micron rating for fuel injection engines and uses an 11/16-16 thread pitch.
• What part numbers does the Sierra 18-7944 replace? This filter replaces a range of Mercury, MerCruiser, and EMP part numbers, including 35-52456, 35-55501, 35-57250, 35-60494, 35-604941, 35-60494A5, 35-802893Q, 35-802893Q01, 35-805269, 35-8052691, 35-806771, 35-807172, and EMP 35-37800. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the Sierra 18-7944 Fuel Water Separator Filter used for?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7944 Fuel Water Separator Filter is designed for use with Mercury and MerCruiser engines to help remove water and contaminants from gasoline before they reach the fuel system." } }, { "@type": "Question", "name": "How effective is the Sierra 18-7944 at removing water and particles?", "acceptedAnswer": { "@type": "Answer", "text": "This filter removes over 99.8% of emulsified water from gasoline. Its 10 micron media is over 90% efficient at removing particles as small as 10 microns." } }, { "@type": "Question", "name": "What engines is the Sierra 18-7944 fuel filter designed for?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7944 is a replacement fuel water separator filter for select Mercury Marine and MerCruiser engines. It is recommended for sensitive inboard and outboard fuel injection systems." } }, { "@type": "Question", "name": "What are the main specifications of the Sierra 18-7944 filter?", "acceptedAnswer": { "@type": "Answer", "text": "This is a short filter measuring 3.875 inches or 98.4 mm in length. It has a 10 micron rating for fuel injection engines and uses an 11/16-16 thread pitch." } }, { "@type": "Question", "name": "What part numbers does the Sierra 18-7944 replace?", "acceptedAnswer": { "@type": "Answer", "text": "This filter replaces a range of Mercury, MerCruiser, and EMP part numbers, including 35-52456, 35-55501, 35-57250, 35-60494, 35-6049…

Sierra 18-7936 Fuel Filter Element

Sierra fuel filter element fits Mercury/Mariner 225 HP EFI 4-Stroke Outboards.

Interchangeable with:

Fram

G3870

Mercury Marine

35-888289T2

Suzuki Outboard

15412-93J00

Sierra 18-7932-1 Fuel Water Separator Kit - Racor Style

Allow water to be drained from the filter to extend service life

Use the AquaVue collection bowl for outboard, above deck installations

USCG regulations require the use of the flame resistant metal collection bowl below deck

Specifications:

• Material: Aluminum with AquaVueRating: 10 MicronSize: 1/4" or 6.4mm
• Kit Contains:

(1) 18-7919 Fuel Water Separator Filter

(1) 18-7853-1 Fuel Water Separator Bracket

(1) 18-7922-1 Collection Bowl, Plastic

(2) 18-4256 Pipe Plug

Interchangeable with:

Mallory

9-37880

Supersedes: 033314-10

Fuel Filter - Special Order est. 10 Days

Sierra 18-7930 Fuel Filter

Replacement Element

1977-83 Fuel system with add on filter kit

Size: 5/16"

Interchangeable with:

Fram

C1110PL

OMC Stern Drive

173326

Sierra 18-7928-1 Racor Style Fuel Water Separator Assembly

Sierra Racor Style Fuel Water Separator Filter with AquaVue Collection Bowl.

Ethanol blended fuel absorbs more water and loosens more particulants than regular fuels. Sierra fuel water separators remove over 99.8% off emulsified water from your gasoline. This 10 Micron filter is over 90% efficient at removing particles as small as 10 micron. AquaVue and metal collection bowl separator filters allow water to be drained from the filter to extend service life.

Proper filtration is required for every horsepower engine.

Rating: 10 Micron

90 GPH to feed even the hungriest motor

Included:

(1) 18-7919 Fuel Water Separator Filter (Spin on Replacement)

(1) 18-7922-1  AquaVue Collection Bowl, Plastic

Replaces:

Racor

B32013

Frequently Asked Questions

• What is the Sierra 18-7928-1 Racor Style Fuel Water Separator Assembly used for? The Sierra 18-7928-1 is a fuel water separator assembly designed to remove emulsified water and particles from gasoline. Its 10-micron filter is over 90% efficient at removing particles as small as 10 microns, while the separator removes over 99.8% of emulsified water.
• What is included with the Sierra 18-7928-1 Fuel Water Separator Assembly? The Sierra 18-7928-1 assembly includes one 18-7919 fuel water separator filter, which is a spin-on replacement, and one 18-7922-1 AquaVue plastic collection bowl.
• What is the micron rating and flow rate of the Sierra 18-7928-1? The Sierra 18-7928-1 has a 10-micron rating and a flow rate of 90 GPH. The 10-micron filter is over 90% efficient at removing particles as small as 10 microns.
• How much emulsified water does the Sierra 18-7928-1 remove from gasoline? Sierra states that its fuel water separators remove over 99.8% of emulsified water from gasoline. The AquaVue collection bowl also allows water to be drained from the filter, which can help extend service life.
• What type of collection bowl does the Sierra 18-7928-1 use? The Sierra 18-7928-1 uses an AquaVue plastic collection bowl. The product description states that AquaVue and metal collection bowl separator filters allow water to be drained from the filter to extend service life.
• Which fuel water separator does the Sierra 18-7928-1 replace? The Sierra 18-7928-1 Racor Style Fuel Water Separator Assembly replaces Racor B32013. Verify the replacement number and application before installing the assembly.

Sierra 18-7920 10 Micron Fuel Water Separator Filter

Sierra spin on replacement OMC Style 10 Micron Fuel Water Separator Filter. Sierra is an industry leader in 10 Micron technology. This canister filter is over 90% efficient at removing dirt and debris from your fuel system without starving the ending for fuel.

SAE, JIS and ISO tested and approved

Fire tested to meet ISO and USCG requirements

Pressure and leak tested to ABYC and USCG standards

Rating: 10 Micron

Thread Size: 1" - 12

Interchangeable with:

Fram

CH33APL

Johnson/Evinrude Outboard

771839

Mercruiser Stern Drive

35-809099

Mercury Marine

35-809099

OMC Stern Drive

771839

Racor

S3214

Sierra 18-7919 10 Micron Fuel Water Separator Replacement Filter - Racor Style For styles with a spin on drain bowls. Spin On Replacement. Sierra 10 Micron Filters are over 90% effective at removing engine damaging 10-micron and larger particles without starving the engine for fuel.  Features: Allow water to be drained from the filter to extend service life USCG regulations require the use of the flame resistant metal collection bowl below deck Spin on replacement Rating: 10 Micron Size: 71.5" or 190.55mm Thread: 11/16" - 16 NPT Interchangeable with: EMP 35-37811 Mallory 9-37811 Mercruiser Stern Drive 35-8M0103095 35-809097 Mercury Marine 35-809097 35-8M0103095 Racor S3213 Yamaha Outboard MAR-24563-00-00 Supersedes: 033315-10Sierra 18-7919 10 Micron Fuel Water Separator Replacement Filter FAQs

• What style of filter does the Sierra 18-7919 replace? The Sierra 18-7919 is a Racor-style spin-on replacement filter for styles with spin-on drain bowls.
• What is the micron rating of the Sierra 18-7919 filter? The Sierra 18-7919 fuel water separator replacement filter has a 10-micron rating.
• Can water be drained from this fuel water separator filter? Yes, this filter is designed for styles with spin-on drain bowls that allow water to be drained from the filter to help extend service life.
• What thread size does the Sierra 18-7919 filter use? The Sierra 18-7919 fuel water separator replacement filter uses an 11/16"-16 NPT thread.
• What part number does Sierra 18-7919 supersede? The Sierra 18-7919 fuel filter supersedes part number 033315-10.
• What part numbers interchange with Sierra 18-7919? The Sierra 18-7919 fuel filter interchanges with EMP 35-37811, Mallory 9-37811, MerCruiser Stern Drive 35-8M0103095 and 35-809097, Mercury Marine 35-809097 and 35-8M0103095, Racor S3213, and Yamaha Outboard MAR-24563-00-00. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What style of filter does the Sierra 18-7919 replace?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7919 is a Racor-style spin-on replacement filter for styles with spin-on drain bowls." } }, { "@type": "Question", "name": "What is the micron rating of the Sierra 18-7919 filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7919 fuel water separator replacement filter has a 10-micron rating." } }, { "@type": "Question", "name": "Can water be drained from this fuel water separator filter?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, this filter is designed for styles with spin-on drain bowls that allow water to be drained from the filter to help extend service life." } }, { "@type": "Question", "name": "What thread size does the Sierra 18-7919 filter use?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7919 fuel water separator replacement filter uses an 11/16\"-16 NPT thread." } }, { "@type": "Question", "name": "What part number does Sierra 18-7919 supersede?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7919 fuel filter supersedes part number 033315-10." } }, { "@type": "Question", "name": "What part numbers interchange with Sierra 18-7919?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7919 fuel filter interchanges with EMP 35-37811, Mallory 9-37811, MerCruiser Stern Drive 35-8M0103095 and 35-809097, Mercury Marine 35-809097 and 35-8M0103095, Racor S3213, and Yamaha Outboard MAR-24563-00-00." } } ] }

Sierra 18-7869 Mercruiser Fuel Filter Assembly

Sierra high-quality fuel filter assembly. For Rochester 2bbl & 4bbl. Use with 18-7859 Fuel Filter.

Micron Rating: 30

Interchangeable with:

GLM

24841

Mercruiser Stern Drive

1397-8768

1397-8545

1397-8767Q

For Mercruiser Engines: GM 2.5L/3.0L Serial Number 6229718 & Later GM 5.0L/5.7L Serial Number 6218462 & Later All 205's Serial Number A331455 & Later 228HP Serial Number 6021784 & Later 330HP Serial Number 6083145 & Later GM 255 Serial Number 590768 & Later 5.7L Ski 340, 230 260 Inboards All Replaces Mercruiser OEM 1397-8767 and 1397-8545.

Sierra 18-7866 Fuel Water Separator Filter for Yamaha Outboards Sierra replacement fuel water separator for use with Yamaha engines. Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow at 90 GPH to feed even the hungriest motor. Sierra 10 micron filters are recommended to prevent damage to sensitive inboard and outboard fuel injection systems. Features: SAE, JIS and ISO tested and approved Epoxy coated steel canister prevents corrosion from reaching your fuel system Pressure and leak tested to ABYC and USCG standards Independently lab tested Designed to meet or exceed OEM requirements Specifications: Filter Size: High Capacity - 6" or 152.4mm Rating: 10 Micron for fuel injection engines Thread Pitch: 11/16-16 Sierra recommends replacing your filters every 50 hours of operation or at a minimum of once per year, preferably at winterization. Interchangeable with: EMP 35-37807 Mallory 9-37807 Yamaha Outboard MAR-10MEL-00-00 MAR-FUELF-IL-TR Sierra 18-7866 Fuel Water Separator Filter for Yamaha Outboards FAQs

• What engines is the Sierra 18-7866 Fuel Water Separator Filter designed for? The Sierra 18-7866 Fuel Water Separator Filter is designed for use with Yamaha outboard engines.
• What is the micron rating of the Sierra 18-7866 filter? The Sierra 18-7866 fuel water separator filter has a 10-micron rating for fuel injection engines.
• How much water does this Sierra fuel water separator remove? Sierra fuel water separators remove over 99.8% of emulsified water from gasoline.
• What is the flow rate of the Sierra 18-7866 filter? The Sierra 18-7866 fuel water separator filter flows at 90 GPH.
• What is the thread pitch of the Sierra 18-7866 filter? The Sierra 18-7866 fuel water separator filter has an 11/16-16 thread pitch.
• How often should I replace the Sierra 18-7866 fuel filter? Replace the Sierra 18-7866 fuel filter every 50 hours of operation or at least once per year, preferably during winterization.
• What part numbers interchange with Sierra 18-7866? The Sierra 18-7866 fuel filter interchanges with EMP 35-37807, Mallory 9-37807, and Yamaha Outboard MAR-10MEL-00-00 and MAR-FUELF-IL-TR. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What engines is the Sierra 18-7866 Fuel Water Separator Filter designed for?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7866 Fuel Water Separator Filter is designed for use with Yamaha outboard engines." } }, { "@type": "Question", "name": "What is the micron rating of the Sierra 18-7866 filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7866 fuel water separator filter has a 10-micron rating for fuel injection engines." } }, { "@type": "Question", "name": "How much water does this Sierra fuel water separator remove?", "acceptedAnswer": { "@type": "Answer", "text": "Sierra fuel water separators remove over 99.8% of emulsified water from gasoline." } }, { "@type": "Question", "name": "What is the flow rate of the Sierra 18-7866 filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7866 fuel water separator filter flows at 90 GPH." } }, { "@type": "Question", "name": "What is the thread pitch of the Sierra 18-7866 filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7866 fuel water separator filter has an 11/16-16 thread pitch." } }, { "@type": "Question", "name": "How often should I replace the Sierra 18-7866 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "Replace the Sierra 18-7866 fuel filter every 50 hours of operation …

Sierra 18-7865 Compact Water Separating Fuel Filter Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron without starving your engine for fuel. Features: 10 Micron rating Ethanol blended fuel absorbs more water and loosens more particulants than regular fuels Proper filtration is required for every horsepower engine Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline All filters flow at 90 GPH to feed even the hungriest motor Interchangeable with: EMP 35-37808 Mallory 9-37808 Yamaha Outboard MAR-MINIF-IL-TR Sierra 18-7865 Compact Water Separating Fuel Filter FAQs

• What is the micron rating of the Sierra 18-7865 fuel filter? The Sierra 18-7865 Compact Water Separating Fuel Filter has a 10-micron rating.
• How efficient is the Sierra 18-7865 at removing particles? Sierra 10-micron filters are over 90% efficient at removing particles as small as 10 microns without starving the engine for fuel.
• Does the Sierra 18-7865 remove water from gasoline? Yes, Sierra fuel water separators remove over 98.8% of emulsified water from gasoline.
• What is the flow rate of this compact fuel water separator? The Sierra 18-7865 fuel water separator flows at 90 GPH.
• Why is fuel filtration important with ethanol-blended fuel? Ethanol-blended fuel absorbs more water and can loosen more particulates than regular fuel, making proper filtration important for engine protection.
• What part numbers interchange with Sierra 18-7865? The Sierra 18-7865 fuel filter interchanges with EMP 35-37808, Mallory 9-37808, and Yamaha Outboard MAR-MINIF-IL-TR. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the micron rating of the Sierra 18-7865 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7865 Compact Water Separating Fuel Filter has a 10-micron rating." } }, { "@type": "Question", "name": "How efficient is the Sierra 18-7865 at removing particles?", "acceptedAnswer": { "@type": "Answer", "text": "Sierra 10-micron filters are over 90% efficient at removing particles as small as 10 microns without starving the engine for fuel." } }, { "@type": "Question", "name": "Does the Sierra 18-7865 remove water from gasoline?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, Sierra fuel water separators remove over 98.8% of emulsified water from gasoline." } }, { "@type": "Question", "name": "What is the flow rate of this compact fuel water separator?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7865 fuel water separator flows at 90 GPH." } }, { "@type": "Question", "name": "Why is fuel filtration important with ethanol-blended fuel?", "acceptedAnswer": { "@type": "Answer", "text": "Ethanol-blended fuel absorbs more water and can loosen more particulates than regular fuel, making proper filtration important for engine protection." } }, { "@type": "Question", "name": "What part numbers interchange with Sierra 18-7865?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7865 fuel filter interchanges with EMP 35-37808, Mallory 9-37808, and Yamaha Outboard MAR-MINIF-IL-TR." } } ] }

Sierra 18-7860 Fuel Pump Filter for Mercruiser, OMC

High-quality engine parts are designed to meet OEM specifications. For Mercruiser, Mercury, Chris-Craft and OMC Inline 4 & 6 Cyl Engines with AC Fuel Pumps.

Use with:

18-7278 Fuel Pump

Interchangeable with:

Chris-Craft

16.83-90006

Fram

CG7

GLM

24880

Mallory

9-37820

Mercruiser Stern Drive

35-49088

35-49088Q2

35-49088A2

FI8390006

OMC Stern Drive

381690

312456

Wix

33943

Frequently Asked Questions

• What is the Sierra 18-7860 Fuel Pump Filter used for? The Sierra 18-7860 Fuel Pump Filter is a replacement filter for Mercruiser, Mercury, Chris-Craft, and OMC inline 4- and 6-cylinder engines with AC fuel pumps. Sierra states that its high-quality engine parts are designed to meet OEM specifications.
• Which fuel pump is the Sierra 18-7860 designed to work with? The Sierra 18-7860 Fuel Pump Filter is specified for use with the Sierra 18-7278 Fuel Pump. Verify your fuel pump part number before selecting this replacement filter.
• Which engines is the Sierra 18-7860 Fuel Pump Filter designed for? The Sierra 18-7860 is designed for Mercruiser, Mercury, Chris-Craft, and OMC inline 4- and 6-cylinder engines equipped with AC fuel pumps. Verify your engine and fuel pump application before installation.
• Is the Sierra 18-7860 Fuel Pump Filter made to OEM specifications? Sierra states that its high-quality engine parts are designed to meet OEM specifications. The 18-7860 Fuel Pump Filter is designed as a replacement for the specified applications.
• Which fuel pump filters are interchangeable with the Sierra 18-7860? The Sierra 18-7860 is interchangeable with Chris-Craft 16.83-90006, Fram CG7, GLM 24880, Mallory 9-37820, Mercruiser Stern Drive 35-49088, 35-49088Q2, 35-49088A2, and FI8390006, OMC Stern Drive 381690 and 312456, and Wix 33943.

Sierra 18-7859 Fuel Filter for Mercruiser, Volvo, OMC

For most GM Inline 4 & 6 cycle, Ford & GM V-8's up to 400 HP and all Mercruiser 224 CID engines.

Interchangeable with:

GLM

24840

Johnson/Evinrude Outboard

908034

Mallory

9-37823

Mercruiser Stern Drive

3302-9033

35-53336

35-53336Q

1397-4338

OMC Stern Drive

908034

Volvo Penta

835576

Frequently Asked Questions

• What is the Sierra 18-7859 Fuel Filter used for? The Sierra 18-7859 Fuel Filter is designed for most GM inline 4- and 6-cylinder engines, Ford and GM V-8 engines up to 400 HP, and all Mercruiser 224 CID engines. Verify your specific engine application before selecting this replacement filter.
• Which engine applications does the Sierra 18-7859 Fuel Filter fit? The Sierra 18-7859 is specified for most GM inline 4- and 6-cylinder engines, Ford and GM V-8 engines up to 400 HP, and all Mercruiser 224 CID engines. Check your engine specifications to confirm compatibility.
• Is the Sierra 18-7859 Fuel Filter compatible with Mercruiser engines? Yes. The Sierra 18-7859 is specified for all Mercruiser 224 CID engines. It is also interchangeable with several Mercruiser Stern Drive filter numbers, including 3302-9033, 35-53336, 35-53336Q, and 1397-4338.
• Which fuel filters are interchangeable with the Sierra 18-7859? The Sierra 18-7859 is interchangeable with GLM 24840, Johnson/Evinrude Outboard 908034, Mallory 9-37823, OMC Stern Drive 908034, and Volvo Penta 835576, along with the listed Mercruiser Stern Drive filter numbers.
• What is the maximum horsepower listed for Ford and GM V-8 applications? The Sierra 18-7859 Fuel Filter is specified for Ford and GM V-8 engines up to 400 HP. Verify your engine's horsepower and configuration against the listed application before installing this filter.

Sierra 18-7858 Volvo Penta Fuel Filter

Sierra high quality replacement Water Separating Fuel Filters are designed to be direct replacements of OEM filters. This fuel filter is specifically designed for the marine environment and today's ethanol blended fuels. Sierra canister fuel filters are epoxy coated to prevent corrosion inside the canister from reaching your fuel system. It is recommended to replace fuel filters every 50 hours of operation or at a minimum of once per year, preferably at winterization.

20 Micron

Fire tested to meet ISO and USCG requirements.

Pressure and leak tested to ABYC and USCG standards.

Interchangeable with:

Fram

C1191A

Mallory

9-37908

Volvo Penta

858201

Sierra 18-7855 Fuel Filter for Mercruiser Stern Drives, OMC

Sierra high-quality fuel filters are designed to meet OEM specifications.

Rochester carburetor inlet

Interchangeable with:

Fram

CG11

GLM

24980

Johnson/Evinrude Outboard

983870

910139

Mercruiser Stern Drive

1397-2150

OMC Inboard

910139

983870

OMC Stern Drive

910139

983870

Rochester

17068453

Wix

33044

21 Micron Fuel Water Separator Kit (1/4" Thread) for Carbureted Engines (Tall Filter)  w-Bonus Pack - Special Order est. 10 Days

21 MICRON FILTER KITS - FOR CARBURETED ENGINES

Contains spare filter

Contains:

2 - 18-7845 filter

1 18-7853-1 bracket

2 - 18-4256 1/4" pipe plugs

Replaces:

Mercury 35-802893Q 4, 35-802893A 4

GLM 24950, 24951

Mallory 9-37850, 9-37851

Redline RL7848-1

Tohatsu 9999937851

OMC 0509532

Note: Not recommended for use with diesel fuel or with 1992 Gen II 4.3L and 4.3LX engines with electric fuel pumps using in-line fuel filter: 35-807172A1

Sierra 1/4" Thread Fuel Water Separator Kit - 21 Micron (Tall Filter)

Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. Sierra's fuel water separators remove over 99.8% of emulsified water from your gasoline. This filter flows at 90 GPH to feed even the hungriest motor. Additionally, it prevents damage to sensitive inboard, sterndrive, and outboard fuel injection systems.

Specifications:

Material: Aluminum (Tall Filter)

Rating: 21 Micron

Size: 1/4" or 6.4mm

Kit Contains:

(1) 18-7845 Fuel Water Separator Filter

(1) 18-7853-1 Fuel Water Separator Bracket

(2) 18-4256 Pipe Plug

Interchangeable with:

Crusader

22687

GLM

24950

Mallory

9-37851

Yamaha Outboard

MAR-10MAS-00-00

MAR-SEPAR-AT-OR

Sierra 18-7848-1 21-Micron Aluminum Fuel Water Separator Kit 1/4" Thread Short Filter

Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline

All filters flow at 90 GPH to feed even the hungriest motor

Prevent damage to sensitive inboard, sterndrive and outboard fuel injection systems

Material: aluminum (Short Filter)

Rating: 21 Micron

Size: 1/4"

Kit Contains:

(2) 18-4256 Pipe Plug

(1) 18-7844 21 Micron Replacement Fuel Filter

(1) 18-7853-1 Fuel Water Separator Bracket

Interchangeable with:

GLM

24951

Mallory

9-37850

9-37853

Mercruiser Stern Drive

52444

35-802893A4

Mercury Marine

35-60494A4

35-802893Q4

35-805269A4

35-807172A4

35-57250A1

35-55501A1

35-52456A1

35-60494A1

EMP

35-37800

Sierra 18-7846 21 Micron Fuel Water Separator Filter Sierra high quality replacement Water Separating Fuel Filters are designed to be direct replacements of OEM filters. This fuel filter is specifically designed for the marine environment and today's ethanol blended fuels. Sierra canister fuel filters are epoxy coated to prevent corrosion inside the canister from reaching your fuel system. It is recommended to replace fuel filters every 50 hours of operation or at a minimum of once per year, preferably at winterization. 21 Micron Replacement Filter OMC Thread Thread Pitch: 1"-12 Interchangeable with: Crusader 98041 EMP 35-37803 GLM 24930 Johnson/Evinrude Outboard 502905 Mallory 9-37803  Sierra 18-7846 21 Micron Fuel Water Separator Filter FAQs

• What is the micron rating of the Sierra 18-7846 fuel water separator filter? The Sierra 18-7846 is a 21-micron replacement fuel water separator filter.
• What thread pitch does the Sierra 18-7846 filter use? The Sierra 18-7846 fuel water separator filter has a 1"-12 thread pitch.
• Is the Sierra 18-7846 designed for marine fuel systems? Yes, the Sierra 18-7846 fuel water separator filter is designed for the marine environment and today’s ethanol-blended fuels.
• How often should I replace the Sierra 18-7846 fuel filter? Replace the Sierra 18-7846 fuel filter every 50 hours of operation or at least once per year, preferably during winterization.
• Does this fuel water separator filter have an epoxy coated canister? Yes, Sierra canister fuel filters are epoxy coated to help prevent corrosion inside the canister from reaching the fuel system.
• What part numbers interchange with Sierra 18-7846? The Sierra 18-7846 fuel filter interchanges with Crusader 98041, EMP 35-37803, GLM 24930, Johnson/Evinrude 502905, and Mallory 9-37803. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the micron rating of the Sierra 18-7846 fuel water separator filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7846 is a 21-micron replacement fuel water separator filter." } }, { "@type": "Question", "name": "What thread pitch does the Sierra 18-7846 filter use?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7846 fuel water separator filter has a 1\"-12 thread pitch." } }, { "@type": "Question", "name": "Is the Sierra 18-7846 designed for marine fuel systems?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, the Sierra 18-7846 fuel water separator filter is designed for the marine environment and today’s ethanol-blended fuels." } }, { "@type": "Question", "name": "How often should I replace the Sierra 18-7846 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "Replace the Sierra 18-7846 fuel filter every 50 hours of operation or at least once per year, preferably during winterization." } }, { "@type": "Question", "name": "Does this fuel water separator filter have an epoxy coated canister?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, Sierra canister fuel filters are epoxy coated to help prevent corrosion inside the canister from reaching the fuel system." } }, { "@type": "Question", "name": "What part numbers interchange with Sierra 18-7846?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7846 fuel filter interchanges with Crusader 98041, EMP 35-37803, GLM 24930, Johnson/Evinrude 502905, and Mallory 9-37803." } } ] }

Sierra 18-7845 Fuel Separating Fuel Filter for Sterndrive and Inboard Engines Sierra 18-7845 is a replacement fuel filter for sterndrive and inboard engines including MerCruiser, Mercury, and Yamaha. Sierra canister fuel filters are designed to be an exact fit and performance replacement to your current OEM canister filter. These filters are tested to meet ISO, SAE, and JIS standards. Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. All filters flow at 90 GPH to feed even the hungriest motor. Features: Used on MerCruiser, Mercury and Yamaha engines. 21 Micron Rating 4.35" in Length 11/16-16 Thread pitch Interchangeable with: Fram PS3808 GLM 24940 Mallory 9-3781 MerCruiser Stern Drive 35-55501 35-57250 35-60494 35-604941 35-60494A5 35-802893Q01 35-8052691 35-806771 35-807172 Mercury Marine 35-52456 35-604941 35-802893Q 35-805269 35-8052691 35-807172 Moeller 33324-10 Wix 33225 Yamaha Outboard ABB-FUELF-IL-TR Frequently Asked Questions

• What is the Sierra 18-7845 fuel separating fuel filter used for? The Sierra 18-7845 is a replacement fuel separating fuel filter designed for sterndrive and inboard engines, including select MerCruiser, Mercury, and Yamaha applications. It is made to provide an exact-fit replacement for compatible OEM canister filters.
• How effective is the Sierra 18-7845 at removing water from fuel? This filter removes over 99.8% of emulsified water from gasoline. It also flows at 90 GPH to support demanding marine fuel systems.
• What are the main specifications of the Sierra 18-7845 fuel filter? The Sierra 18-7845 has a 21 micron rating, measures 4.35" in length, and uses an 11/16-16 thread pitch.
• What engines is the Sierra 18-7845 compatible with? This filter is used on select MerCruiser, Mercury, and Yamaha engines, including sterndrive and inboard applications.
• What part numbers is the Sierra 18-7845 interchangeable with? The Sierra 18-7845 is interchangeable with Fram PS3808, GLM 24940, Mallory 9-3781, Moeller 33324-10, Wix 33225, Yamaha ABB-FUELF-IL-TR, and multiple MerCruiser and Mercury part numbers including 35-55501, 35-57250, 35-60494, 35-604941, 35-60494A5, 35-802893Q, 35-802893Q01, 35-805269, 35-8052691, 35-806771, and 35-807172. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the Sierra 18-7845 fuel separating fuel filter used for?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7845 is a replacement fuel separating fuel filter designed for sterndrive and inboard engines, including select MerCruiser, Mercury, and Yamaha applications. It is made to provide an exact-fit replacement for compatible OEM canister filters." } }, { "@type": "Question", "name": "How effective is the Sierra 18-7845 at removing water from fuel?", "acceptedAnswer": { "@type": "Answer", "text": "This filter removes over 99.8% of emulsified water from gasoline. It also flows at 90 GPH to support demanding marine fuel systems." } }, { "@type": "Question", "name": "What are the main specifications of the Sierra 18-7845 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7845 has a 21 micron rating, measures 4.35 inches in length, and uses an 11/16-16 thread pitch." } }, { "@type": "Question", "name": "What engines is the Sierra 18-7845 compatible with?", "acceptedAnswer": { "@type": "Answer", "text": "This filter is used on select MerCruiser, Mercury, and Yamaha engines, including sterndrive and inboard applications." } }, { "@type": "Question", "name": "What part numbers is the Sierra 18-7845 interchangeable with?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7845 is interchangeable with Fram PS3808, GLM 24940, Mall…

Sierra 18-7844 Water Separating Fuel Filter for Sterndrives and Outboards Sierra replacement water separating fuel filter for use with Mercury and MerCruiser engines. Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. Sierra's 21 micron canister filters feature an epoxy-coated steel canister that prevents corrosion inside the canister from reaching your fuel system. These durable filters are pressure and leak tested to ABYC and USCG standards. All filters flow at 90 GPH to feed even the hungriest motor. Sierra 21 micron filters are recommended to prevent damage to sensitive inboard and outboard fuel injection systems. Application: Used on MerCruiser and Mercury Engines 21 Micron Rating 3.875" in Length (Short) 11/16-16 Thread pitch Sierra recommends replacing filters every 50 hours of operation, or at a minimum of once per year, preferably at winterization. Interchangeable with: EMP 35-37800 Fram PS3808 GLM 24941 Mallory 9-37800 MerCruiser Stern Drive 35-52456 35-55501 35-57250 35-60494 35-604941 35-60494A5 35-802893Q 35-802893Q01 35-805269 35-8052691 35-806771 35-807172 Mercury Marine 35-604941 35-802893Q 35-8052691 35-807172 Moeller 33323-10 Valmar 52113 Wix 33225 Frequently Asked Questions

• What is the Sierra 18-7844 water separating fuel filter used for? The Sierra 18-7844 is a replacement water separating fuel filter designed for use with Mercury and MerCruiser sterndrive and outboard engines. It helps remove water and contaminants from gasoline before they reach the fuel system.
• How effective is the Sierra 18-7844 at removing water and debris? This filter removes over 99.8% of emulsified water from gasoline. It uses a 21 micron filter media and features an epoxy-coated steel canister to help prevent internal corrosion from reaching the fuel system.
• What are the main specifications of the Sierra 18-7844 fuel filter? The Sierra 18-7844 has a 21 micron rating, measures 3.875" in length, and uses an 11/16-16 thread pitch. It also flows at 90 GPH to support demanding marine fuel systems.
• How often should the Sierra 18-7844 fuel filter be replaced? Sierra recommends replacing this filter every 50 hours of operation or at least once per year, preferably during winterization.
• What part numbers is the Sierra 18-7844 interchangeable with? This filter is interchangeable with a wide range of part numbers including EMP 35-37800, Fram PS3808, GLM 24941, Mallory 9-37800, Moeller 33323-10, Valmar 52113, Wix 33225, and several Mercury and MerCruiser part numbers such as 35-52456, 35-55501, 35-57250, 35-60494, 35-604941, 35-60494A5, 35-802893Q, 35-802893Q01, 35-805269, 35-8052691, 35-806771, and 35-807172. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the Sierra 18-7844 water separating fuel filter used for?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7844 is a replacement water separating fuel filter designed for use with Mercury and MerCruiser sterndrive and outboard engines. It helps remove water and contaminants from gasoline before they reach the fuel system." } }, { "@type": "Question", "name": "How effective is the Sierra 18-7844 at removing water and debris?", "acceptedAnswer": { "@type": "Answer", "text": "This filter removes over 99.8% of emulsified water from gasoline. It uses a 21 micron filter media and features an epoxy-coated steel canister to help prevent internal corrosion from reaching the fuel system." } }, { "@type": "Question", "name": "What are the main specifications of the Sierra 18-7844 fuel filter?", "acceptedAnswer": { "@type": "Answer", "text": "The Sierra 18-7844 has a 21 micron rating, measures 3.875 inches in length, and uses an 11/16-16 thread pitch. It also flows at 90 GPH to support demanding marine fuel systems." …

Sierra 18-7837 Fuel Pump Diaphragm for Mercury and Yamaha Engines

Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercury and Yamaha Outboards.

Interchangeable with:

Mercury Marine

84262M

Yamaha Outboard

677-24411-02-00

677-24411-01-00