The Sierra 18-2171 Engine Coupler forms part of the driveline connection between the engine and drive assembly in Mercruiser applications. It replaces Mercruiser 76850A2.
For:Â All GM engines except MR/Alpha/Bravo with "Triangular", 3-bolt coupler
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-2171?
Sierra 18-2171 is an aftermarket engine coupler for Mercruiser applications.
Which part numbers cross-reference Sierra 18-2171?
This listing cross-references GLM 11500, Mercruiser 32492A2, Mercruiser 32492A3 and Mercruiser 32492A5. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-2171 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
