Description:

OE Number: 1667021010 16670-21010.. Function: The heater control valve solves problems such as heater inoperability, coolant leaks, and erratic heater behavior by properly regulating the flow of coolant from the engine.. Directly Replacement: The heater control valve is located on the firewall next to the heater core, if it is damaged, it can be replaced directly without flushing the cooling system, professional installation is recommended.. How to Replace: Replace only the failed part, not the entire assembly. Hvac heater control valve designed to increase the performance and efficiency of your engine..