Sierra Thermostat Housing - SIE-18-3531

Sierra 18-3531 Thermostat Housing

Sierra replacement thermostat housing for Mercruiser Sterndrives. Sierra engine parts are manufactured to meet or exceed OEM requirements.

Fits: MCM/MIE GM V-6 & V-8 (305, 350, 454 & 502 CID) engines w/closed cooling systems

Interchangeable with:

GLM

13540

Mallory

9-42501

Mercruiser Sterndrive

807074A1

808064A1

861188A1

Special Order item.