Dayco Heater Tap DHV1103 Microshield in both standard and high

in both standard and high carbon materials

Flange to base: 82mm

It is formulated using high performance base oils with advanced engine oil additive technology including a full zinc anti-wear package for complete engine protection

allowing stop light operation

Height: 38mm

Dayco Heater Tap DHV1103 Microshield in both standard and highThe 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