Description
SIERRA MerCruiser Gen II Tapered Roller Bearing – 18-1179
A replacement tapered roller bearing for compatible MerCruiser drive assemblies where the listed OEM bearing is specified.
- Application: MerCruiser Gen II sterndrives from serial F680000-up and Vazer applications using OEM 31-32575-series bearing.
- Primary function: Tapered roller bearing
- Key specification: Drive family – MerCruiser Gen II / Vazer
- OEM / aftermarket cross-reference: GLM: 21511; Mallory: 9-75106; MerCruiser: 31-32575A1, 31-32575T1
- Verify mating surfaces and follow the engine or drive service procedure during installation.
This part is application-specific. Confirm the OEM number and engine or drive configuration before installation.
Application: MerCruiser Gen II sterndrives from serial F680000-up and Vazer applications using OEM 31-32575-series bearing.
Specifications
- Component: Tapered roller bearing
- Drive family: MerCruiser Gen II / Vazer
- Serial applicability: F680000-up specified applications
- OEM family: 31-32575
Interchange / Replaces
- GLM: 21511
- Mallory: 9-75106
- MerCruiser: 31-32575A1, 31-32575T1

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