Description

The Sierra 18-2554-9 Thermostat Cover Gasket is built with precision for optimal fit/performance. Designed to be interchangeable with the following: GLM 31630, Mallory 9-60006, Mercruiser 27-41812, 27-90556, 27-41812Q, 27-41812B, Osco 41812. Each Sierra product meets or exceeds the original equipment part it replaces. Fits: MCM/MIE GM V-6 & V-8 engines.
Sierra Thermostat Cover Gasket
Meets or exceeds the original equipment quality
Fits: MCM/MIE GM V-6 & V-8 engines
Interchangeable with the following: GLM 31630, Mallory 9-60006, Mercruiser 27-41812, 27-90556, 27-41812Q, 27-41812B, Osco 41812