Sierra/Prime Line 18-3674 Thermostat Kit

Sierra 18-3674 Thermostat Kit. 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 Crossflow). (1) 18-0182 Thermostat Gasket. (1) 18-3135 Stainless Steel Bolt. (1) 18-2546 Thermostat Gasket. (1) 18-3567 Rubber Valve (V6 Crossflow). (1) 18-3562 Valve Cup (V6 Crossflow). (1) 18-1243 Valve Spring (V4/V6 Crossflow). (1) 18-3563 Poppet Relief Valve (V6 Crossflow). (1) 18-3565 Retainer (V6 Crossflow). (1) 18-3543 Thermostat. Replaces: GLM 13280.