Thermostat 71°C (159.8°F) – Fits Yanmar Marine 2GM/3GM Series (Replaces 121750-49800) family-yamaha-6mlhv and brand with the compatibility

and brand with the compatibility table above

Brand Part Number Johnson/Evinrude (OEM) 396725 Johnson/Evinrude (OEM) 432594 Johnson/Evinrude (OEM) 437080 Johnson/Evinrude (OEM) 0396725 Johnson/Evinrude (OEM) 432952 Sierra (Aftermarket) 18-3053 CEF (Aftermarket) 500303

27-828816 – Oil Drain Screw Gasket × 1

Ensure the engine is off and the system is depressurized before beginning installation

A broken timing belt will cause catastrophic engine damage

Thermostat 71°C (159.8°F) – Fits Yanmar Marine 2GM/3GM Series (Replaces 121750-49800) family-yamaha-6mlhv and brand with the compatibilityThermostat 71C (159. 8F) Fits Yanmar Marine 2GM 3GM Series (Replaces 121750 49800) This thermostat is designed for Yanmar's 2GM and 3GM series of small marine diesel engines, typically ranging from 830 HP. It ensures your engine maintains the correct operating temperature for optimal performance and efficiency. This part is a direct replacement for the following OEM and aftermarket part numbers: Yanmar 121750 49800, Worldthump 121750 49800, Sogoparts