Sierra Exhaust Bellows - SIE-18-2750

Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227

This Sierra exhaust bellows is designed for use with MerCruiser drives. Includes clamp.

Fits:

MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers 06225577 thru 0D469858

MerCruiser Alpha One Gen II drives from 1990-Present with serial numbers 0D469859 & Up

MerCruiser Bravo I, Bravo II, & Bravo III drives from 1988-1998 with serial numbers 0B664190 & Up

Interchangeable with:

GLM

89100

Mallory

9-72703

MerCruiser Stern Drive

18654A1

32734

32734A3

8M0124227

Frequently Asked Questions

• What is the Sierra 18-2750 MerCruiser Exhaust Bellows used for? The Sierra 18-2750 MerCruiser Exhaust Bellows is a replacement exhaust bellows designed for use with specified MerCruiser drives. The bellows includes a clamp and is listed for Alpha One Gen I, Alpha One Gen II, and Bravo I, Bravo II, and Bravo III drives within the specified year and serial-number ranges.
• What MerCruiser drives does the Sierra 18-2750 Exhaust Bellows fit? The Sierra 18-2750 fits MerCruiser Alpha One Gen I drives from 1983-1991, Alpha One Gen II drives from 1990-Present, and Bravo I, Bravo II, and Bravo III drives from 1988-1998, subject to the specified serial-number ranges.
• Does the Sierra 18-2750 MerCruiser Exhaust Bellows include a clamp? Yes. The Sierra 18-2750 MerCruiser Exhaust Bellows includes a clamp. The product description identifies the clamp as part of the exhaust bellows assembly.
• What are the serial-number ranges for the Sierra 18-2750 Exhaust Bellows? For Alpha One Gen I, the specified range is 06225577 through 0D469858. Alpha One Gen II applications are 0D469859 and up. Bravo I, Bravo II, and Bravo III applications are listed as 0B664190 and up within the specified 1988-1998 drive range.
• What part numbers does the Sierra 18-2750 MerCruiser Exhaust Bellows replace? The Sierra 18-2750 is interchangeable with GLM 89100, Mallory 9-72703, and MerCruiser Stern Drive part numbers 18654A1, 32734, 32734A3, and 8M0124227. Compare the part number and application information before selecting this replacement bellows.
• What should I verify before purchasing the Sierra 18-2750 Exhaust Bellows? Verify your MerCruiser drive model, year, and serial number against the listed applications. The Sierra 18-2750 is specified for certain Alpha One Gen I, Alpha One Gen II, and Bravo I, Bravo II, and Bravo III drives, so confirming the serial-number range is important before purchasing.