Sierra 18-2554 Thermostat Cover Gasket Replaces 27-41812
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Sierra 18-2554 Thermostat Cover Gasket
Sierra replacement thermostat cover gasket for Mercruiser Stern Drives. All Sierra engine parts are manufactured to meet or exceed OEM requirements.
Fits: MCM/MIE GM V-6 & V-8 engines
Interchangeable with:
- GLM
- 31630
- Mallory
- 9-60006
- Mercruiser Stern Drive
- 27-41812
- 27-41812B
- 27-41812Q
- 27-90556
- Osco
- 41812
Superseded to 18-2554-9
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
- Google Product Type:
- Engine Parts
- Product MPN:
- 18-2554
- Product UPC:
- 808282257934