The Sierra 18-4365 Gasket Set contains the service components required for the applicable repair or maintenance task in Mercruiser applications. It replaces Mercruiser 27-801855.
For:Â GM 454 (7.4L) CID Eng
Production Models:Â Rectangular Port
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-4365?
Sierra 18-4365 is an aftermarket gasket set for Mercruiser applications.
Which part numbers cross-reference Sierra 18-4365?
This listing cross-references Mallory 9-61211 and Mercruiser 27-801855. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-4365 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
