Dayco Heater Tap DHV5105 Heavy-Duty It meets the performance requirements

It meets the performance requirements of API GL-5/GL-6/MT-1 as well as many manufacturers specifications

Special design thermostat insert assembly

It contains advanced low ash anti-wear additives combined with specialised rust inhibitors to provide optimum engine protection in marine and salt water environments

Marine Full Syn 10W-40 is a premium

hose joints and welsh plugs in automotive engines preventing major damage from loss of coolant and engine overheating

Dayco Heater Tap DHV5105 Heavy-Duty It meets the performance requirementsThe 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