The Sierra 18-0980 Gasket is designed to reseal the applicable joint or component during servicing in Mercruiser applications. It replaces Mercruiser 27-54529.
Fits:Â MCM/MIE GM V-8 (427, 454, 482 & 502 cid) engines (1969-1992)
Fits:Â MCM 500 Bulldog, 575 & 800SC (1990 & Up)
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-0980?
Sierra 18-0980 is an aftermarket gasket for Mercruiser applications.
Which part numbers cross-reference Sierra 18-0980?
This listing cross-references GLM 30440, Mercruiser 27-49109, Mercruiser 27-54529 and Mercruiser FI1100990. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-0980 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
