Aftermarket Mercury & Mercruiser Style Drain Plug Washer Gasket
The Sierra 18-2560 Gasket is designed to restore water-pump output and maintain cooling-water flow through the engine in Mercruiser applications. It replaces Mercruiser 8M0204722.
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-2560?
Sierra 18-2560 is an aftermarket gasket for Mercruiser applications.
Which part numbers cross-reference Sierra 18-2560?
This listing cross-references Chrysler / Force 12-866451, Chrysler/Force/US Marine 12-866451, GLM 31210 and Mercruiser 12-866451. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-2560 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.