Thermostat Water Pump Housing (AW9261) - 2 piece Oxygen Sensor 8 Exhaust Valves (3 Groove

8 Exhaust Valves (3 Groove

Superseded Part Number: U5308

Compatible for Yamaha YZ490 1982-1990

Fel-Pro Part : MD178648

Thermostat Water Pump Housing (AW9261) - 2 piece Oxygen Sensor 8 Exhaust Valves (3 GrooveThermostat Water Pump Housing (AW9261) 1 piece The thermostat is used to control the circulation of the engine water tank to adjust the starting temperature, so as to keep the engine temperature stable while driving. This top grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well balanced design and high level of craftsmanship. Manufactured from industry leading materials using up to date equipment,