Sierra 18-0398 Thermostat Gasket Replaces 27-8M2021920
Sierra 18-0398 Thermostat Gasket Replaces 27-8M2021920, Sierra 18-0398 Thermostat Gasket for V6 and V8 Marine EnginesSierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty. For use on Mercruiser Stern Drives, OMC Stern Drives, and Volvo Penta engines. Use with aluminum exhaust manifolds; Fits 110/120 & 140/150/160 (I/L 6 cyl.) also MCM 3.0L/LX w/ closed cooling; Interchangeable with: GLM; 35060; Mallory; 9-60009; Mercruiser Stern Drive; 27-33918; 27-8M2021920; OMC Stern Drive; 3852111; 312797; Volvo Penta; 835417;