The Sierra 18-9854 Drive Shaft Adapter provides a service-tool connection for rotating or holding the applicable drive shaft during maintenance. It replaces Mercury 91-56775T.
Provides a wrench surface to turn the drive shaft.
Compatible Drive Units and Outboards:Â MC-I, R-MR, Alpha One, Alpha One/Gen II
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-9854?
Sierra 18-9854 is an aftermarket drive shaft adapter for Mercury Outboard applications.
Which part numbers cross-reference Sierra 18-9854?
This listing cross-references GLM 90220, Mallory 9-79809 and Mercury 91-56775T. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-9854 fits my Mercury Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
