Sierra 18-1159 Tapered Roller Bearing Sierra replacement tapered roller bearing for Mercury and Mercruiser engines. Interchangeable with: GLM 21590 Mallory 9-75120 Mercruiser Stern...
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Add to CartThis product has been discontinued by the manufacturer and has been superseded by Mercury 31-78172A-1
Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements.
Interchangeable with:
California Residents:
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov