Aftermarket 8M0084649 Mercruiser Shift Arm Screw
The Sierra 18-2161 Shift Arm is designed for the application shown in the fitment and reference information below. It replaces Mercruiser 45518A3.
Fits:Â MC-I, R, MR, 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 18-2161?
Sierra 18-2161 is an aftermarket shift arm for Mercruiser applications.
Which part numbers cross-reference Sierra 18-2161?
This listing cross-references GLM 21140, Mercruiser 45518A1, Mercruiser 45518A2 and Mercruiser 45518A3. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-2161 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.