Pay in 4 interest-free payments of $6.25 Learn more
Ships within 48 hours · Estimated delivery Nov 17 - Nov 22
oil oxidation and sludge under all operating conditions
Outside Diameter: 19mm
Housing type
Foot Dia: 28mm
Dayco Heater Tap DHV5631 SRT oil oxidation and sludge underThe purpose of the Heater Control Valve is to regulate the flow of coolant to the heater core. In the off position, the heater valve blocks coolant flow to the heater core, hence when no heating is required, and the reverse when heating inside the vehicle is needed. The heater valve can be activated by vacuum control in late model vehicles and cable in earlier models. Common failures include leakage, blocking and, because most late model valves are