The Sierra 18-6406 Bearing replaces Mercruiser A1G2, Mercruiser 865493A01, Mercruiser 865496A01 for Mercruiser applications. It supports the rotating assembly and helps maintain smooth, correctly aligned movement.
GKN new style with external clips.
For:Â Mercruiser Vazer
Fits:Â Alpha I Gen II (0L949779 & Up), Bravo (0M111208 & Up)
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-6406?
Sierra 18-6406 is an aftermarket bearing for Mercruiser applications.
Which part numbers cross-reference Sierra 18-6406?
This listing cross-references Mallory 9-72602, Mercruiser 19619, Mercruiser 865496A02 and Mercruiser A1G2. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-6406 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
