Quick view Add to Cart Sierra 18-3668 MerCruiser V6/V8 1983 & Newer 142° Thermostat Kit $45.49 $31.99 Sierra 18-3668 Thermostat Kit for Mercruiser Stern Drives For Mercruiser engines using 142 degree thermostats Fits 1983 & newer GM V-6 & V-8 engines with standard... Add to Cart
Quick view Add to Cart Sierra 18-70934 MerCruiser V8 Molded Hose $65.99 $45.99 Sierra 18-70934 Mercruiser Molded Hose Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (427, 454 & 502 CID) engines. Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-70958 MerCruiser V8 Molded Hose $63.49 $44.49 Sierra 18-70958 Molded Hose Sierra replacement molded hose for Mercruiser Stern Drives. For transom to oil cooler Fits MCM GM V-8 (305, 350 & 454 CID) engines Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-2917-9 MerCruiser V6/V8 Thermostat Gasket 2 Pack $11.99 $8.99 Thermostat Gasket (Priced Per Pkg of 2) Special Order est. 10 Days Supersedes 18-2917 Add to Cart
Quick view Add to Cart Sierra 18-5431 MerCruiser V8 Thunderbolt Rotor Assembly $13.49 $9.99 Sierra 18-5431 Mercruiser V8 Rotor Assembly Sierra high-quality engine parts are designed to meet OEM specifications. Fits GM V-8 Engines with Thunderbolt IV & V Ignition. Interchangeable... Add to Cart