Description
SIERRA MerCruiser MC-I/R/MR/Alpha One U-Joint Bellows – 18-2751
U-joint/drive-shaft bellows with clamp for MerCruiser MC-I, R, MR, Alpha One and TR/TRS drives, primarily 1972-1990, using OEM 60932A1 / 60932A4. It is intended as an application-specific replacement for the original marine component and is cross-referenced by the OEM/aftermarket numbers listed below.
- Application: MerCruiser MC-I, R, MR, Alpha One and TR/TRS drives, primarily 1972-1990, using OEM 60932A1 / 60932A4
- Function: Keeps water out of the U-joint and input-shaft cavity while the drive steers and trims.
- Component: U-joint / drive-shaft bellows
- Includes: Clamp
- Interchange: GLM: 89050; Mallory: 9-72701; Mercruiser Stern Drive: 60932A1, 60932A4
Confirm the engine or sterndrive model, serial range and original part number before installation. During service, inspect adjacent seals, fasteners, hoses and mating surfaces so a related fault is not carried into the repaired assembly.
Specifications
- Component: U-joint / drive-shaft bellows
- Includes: Clamp
- Typical years: 1972-1990
Interchange / Replaces
- GLM: 89050
- Mallory: 9-72701
- Mercruiser Stern Drive: 60932A1, 60932A4


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