Aftermarket Mercruiser 31-61100A1 Tapered Roller Bearing
The Sierra 18-1161 Tapered Roller Bearing supports the applicable drive or gear assembly in Mercruiser and OMC / Johnson / Evinrude applications. It replaces Mercruiser 31-35990A1 and OMC / Johnson / Evinrude 983891.
Fits: IA/IB/IC and EZ Shift, MC-I, R, MR, Alpha One and Gen ll (except 1.32 ratio): also fits Vazer
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-1161?
Sierra 18-1161 is an aftermarket tapered roller bearing for Mercruiser / OMC / Johnson / Evinrude applications.
Which part numbers cross-reference Sierra 18-1161?
This listing cross-references Mercruiser 31-35990A1, GLM 21540, Johnson / Evinrude 983891 and OMC 983891. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-1161 fits my Mercruiser / OMC / Johnson / Evinrude application?
Contact us with your engine model and serial number and we'll help check suitability.