Thermostat (50°C) – Fits Suzuki Outboards 100-300 HP (Replaces 17670-90J21, 17670-90J20) family-yamaha-f15mshb ensuring a precise fit for

ensuring a precise fit for a complete and reliable water pump service

Clean all mating surfaces thoroughly before installing new gaskets

1 x Oil Filter (Sierra 18-7905-2)

Reinstall the pump cover

it's time to inspect and likely replace the water pump components

Thermostat (50°C) – Fits Suzuki Outboards 100-300 HP (Replaces 17670-90J21, 17670-90J20) family-yamaha-f15mshb ensuring a precise fit forThermostat (50C) Fits Suzuki Outboards 100 300 HP This thermostat is designed for a precise fit in a range of Suzuki 4 stroke outboard engines from 100 HP to 300 HP. It regulates the engine temperature by opening at 50C (122F) to ensure optimal performance and prevent overheating. It serves as a direct replacement for Suzuki OEM part numbers 17670 90J21 and 17670 90J20, providing a reliable aftermarket alternative. Engineered for direct fit