New Sierra 18-2554 Marine Thermostat Cover Gasket.
Interchange
- GLM 31630
- Mallory 9-60006
- MerCruiser/Mercury 27-41812, 27-41812B, 27-41812Q, 27-90556
- Osco 41812
Features
- Fits: MCM/MIE GM V-6 & V-8 engines
About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.
