Quick view Add to Cart Sierra 18-3621 Thermostat Kit $34.49 $23.99 Sierra 18-3621 Thermostat Kit Temperature Rating: 160°F Contains: (1) 18-3558 Thermostat (1) 18-0164 Thermostat Housing Gasket Add to Cart
Quick view Add to Cart Sierra 18-3674 Johnson/Evinrude Thermostat Kit $42.49 $29.99 Sierra 18-3674 Thermostat Kit for Johnson & Evinrude Engines For Johnson and Evinrude V-6 Crossflow engines. Use With: Thermostat 18-3543 Includes: (1) 18-1219 Grommet Gasket (V6... Add to Cart
Quick view Add to Cart Sierra 18-3651 Thermostat Kit $25.99 $18.49 Sierra 18-3651 Mercruiser 142 Degree Thermostat Kit Sierra high-quality engine parts are designed to meet OEM specifications. Temperature Rating: 142 degrees Kit Includes: (1) 18-2553... Add to Cart
Quick view Add to Cart Sierra 18-3644 Thermostat Kit $32.99 $22.99 Sierra 18-3644 Mercruiser 160 Degree Thermostat Kit Sierra high-quality engine parts are designed to meet OEM specifications. Temperature rating: 160° Kit Includes: (1) 18-2553 Thermostat... Add to Cart
Quick view Add to Cart Sierra 18-43175 Thermostat Kit $66.49 $46.99 Sierra 18-43175 Thermostat Kit Sierra replacement thermostat kit for Mercury and Nissan/Tohatsu Outboards. Temperature Rating: 130°F Interchangeable with: Mallory 9-43175 Mercury... Add to Cart
Quick view Add to Cart Sierra 18-3658 Thermostat Kit $11.99 $8.49 Thermostat Kit - Special Order est. 10 Days Add to Cart
Quick view Add to Cart Sierra 18-3668 MerCruiser V6/V8 1983 & Newer 142° Thermostat Kit $44.99 $31.49 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 18-3670 Thermostat Kit $34.99 $24.49 Sierra 18-3670 160 Degree Thermostat Kit for OMC & Volvo Fits: 2.5L & 3.0L OMC and Volvo Penta Marine engines (1982-88) Kit Includes: (1) 18-3558 Thermostat (1) 18-2858 Thermostat... Add to Cart