Sierra Trigger Assembly - SIE-18-5798-1

Sierra 18-5798 Mercury Trigger Assembly

Sierra replacement trigger assembly for Mercury Marine engines.

For: Mercury Outboard 6 cyl. engines

Interchangeable With:

CDI

134-6456

Mercury Marine

68162A1

68162A5

68162A8

96455A6

96455A9

Application:

90 6 cyl 5299506 & UP

105 JET UP TO G760299

115 6 cyl 5314656 & UP

V135 A904646 C100860

V135 A904646 C100860

V135 C100861 C239552

V135 C239553 D081999

V135 C239553 D081999

V135 C239553 D081999

V135 D082000 G960499

140 5327663 & UP

140 JET UP TO G760299

V150 4868998 A904645

V150 A904646 C100860

V150 A904646 C100860

V150 C100861 C239552

V150 C239553 D081999

V150 C239553 D081999

V150 D082000 G960499

V150 EFI D303046 G960499

V150 XRI EFI D082000 G303045

150 XR-4 B242885 C100860

150 XR-4 C100861 C239552

150 XR-4 C239553 D081999

150 XR-4, MAG II C239553 D081999

150 XR-4, MAG II C239553 D081999

150 XR-6, MAG III D082000 G960499

V175 4301235 6618750

V175 4301235 6618750

V175 6618751 C100860

V175 6618751 C100860

V175 C100861 C239552

V175 C239553 D081999

V175 C239553 D081999

V175 C239553 D081999

V175 C239553 D081999

V175 D082000 G960499

V175 MAG, EFI D000750 D081999

V175 EFI D303046 G960499

V175 XRI EFI D000750 D081999

V175 XRI EFI D082000 G303045

Frequently Asked Questions

• What is the Sierra 18-5798 Mercury Trigger Assembly used for? The Sierra 18-5798 Mercury Trigger Assembly is a replacement trigger assembly for Mercury Marine outboard engines. It is designed for 6-cylinder Mercury outboard applications and is listed for select 90, 105 JET, 115, 135, 140, 150, and 175 HP applications.
• What Mercury outboard engines does the Sierra 18-5798 trigger assembly fit? The Sierra 18-5798 is specified for Mercury 6-cylinder outboard engines. The application list includes select 90, 105 JET, 115, V135, 140, 140 JET, V150, V150 EFI, V150 XRI EFI, 150 XR-4, 150 XR-6, V175, V175 MAG EFI, V175 EFI, and V175 XRI EFI applications with specific serial-number ranges.
• Does the Sierra 18-5798 fit Mercury 150 HP outboards? Yes. The application list includes several 150 HP Mercury outboards, including V150, V150 EFI, V150 XRI EFI, 150 XR-4, 150 XR-4 MAG II, and 150 XR-6 MAG III. Because each application is associated with specific serial-number ranges, verify your engine model and serial number before selecting this trigger assembly.
• Does the Sierra 18-5798 fit Mercury 175 HP outboards? The Sierra 18-5798 is listed for multiple Mercury 175 HP applications, including V175, V175 MAG EFI, V175 EFI, and V175 XRI EFI models. The application list specifies different serial-number ranges for these engines, so compare your engine's model and serial number with the listed application information before installation.
• What part numbers does the Sierra 18-5798 Mercury Trigger Assembly interchange with? The Sierra 18-5798 is interchangeable with CDI 134-6456 and Mercury Marine part numbers 68162A1, 68162A5, 68162A8, 96455A6, and 96455A9. These part numbers can be used to help verify whether the Sierra replacement trigger assembly corresponds to the part specified for your Mercury outboard.
• How do I verify that the Sierra 18-5798 trigger assembly fits my Mercury outboard? Verify your Mercury outboard's horsepower, model designation, and serial number against the application list for the Sierra 18-5798. The product description provides specific serial-number ranges for the listed applications, so matching these details is important before purchasing or installing the replacement trigger assembly.