Engines & Maintenance

Sierra Thermostat Kit For Mercruiser Temperature Rating: 160°FFits: 1998 & newer GM V-6 & V-8 engines with closed coolingUse With:Thermostat Kit-  18-3667Thermostat Kit-  18-3568 Interchangeable with...

Sierra Thermostat Kit For Mercury/Mariner 70-125 HP Temperature Rating: 120°FFits: Various Mercury/Mariner 70-125 hp 2 cycle outboards (1987 and newer) Use With:18-0182   - Thermostat Gasket18-0339 ...

Sierra Thermostat Kit For OMC / Volvo Penta Temperature Rating: 160°F (71°C) Kit Contains:18-3554     :Thermostat18-7170-9  :O-Ring18-0398-9  :Gas

Sierra Thermostat Kit For Yamaha Temperature Rating: 122°F / 50°C6H3-12411-11-00 + 62Y-12414-00-00 = 18-3622 Kit Kit Contains: Gasket, Thermostat Cover - 18-0835 Interchangeable with the...

Sierra Thermostat Kit For Yamaha - S-18-3611 Temperature Rating: 140°F / 60°C Kit Contains:18-0835  -Gasket, Thermostat Cover18-3541  -Thermostat Fits: 25 (1996-98,2001-02), 40 (1991-99, 01), C40...

Sierra Thermostat Kit For Yamaha 115-V225 HP Temperature Rating: 122°F / 50°C Kit Contains:18-0844  -Gasket, Thermostat Cover18-3540  - Thermostat

Sierra Thermostat Kit For Yamaha 25-S250HP (1996-2002) Temperature Rating: 122°F / 50°C Kit Contains:18-0829  -Cover Gasket18-3540  -Thermostat Fits: 25 (1996-98,2001-02), 40 (1991-99, 01), C40...

Sierra Thermostat Kit With Cover Gasket - Johnson / Evinrude Part#: S-18-3669 Temperature Rating: 143°F (62° C) Fits: Johnson/Evinrude Outboards Interchange: GLM - 13450  

Sierra Thermostat S-18-3554 Temperature Rating: 160°F Use With:Thermostat Kit -  18-3653DThermostat Kit -  18-3653 Interchangeable with the following:GLM13060OMC Inboard383307 Mercury...

Sierra Thermostat Seal Part# S-18-1507 Interchange: Johnson/Evinrude 335981

Thermostat Kit manufactured by Sierra. Johnson/EvinrudeReplaces: 334742For: OMC thermostat application 6, 8, 10, 15,40, 48, 50 HP (1989-94) Part Number SRA-S-18-1734

Sierra Thermostat Service Kit - Mercruiser - S-18-1989K. Service Kit for S-18-1989 Thermostat Housing. Part Number SRA-S-18-1989K