Sierra 18-2552 Thermostat Cover Gasket Replaces 27-331792

Sierra 18-2552 Mercruiser Thermostat Gasket for Sterndrives

Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives.

• Fits MCM/MIE GM 4-Cylinder, V-6 & V-8 engines, for thermostat housing w/ flat cover plate

 Interchangeable with:

• GLM
• 31670
• Mallory
• 9-60008
• Mercruiser Stern Drive
• 27-331792
• 27-331791
• 27-33179B2