Genuine ACDelco heater water flow control valve, also know as a heater shut off valve. Replaces OE # 12515169. GM-recommended replacement part for your GM vehicle's original factory component, offering the quality,...

1974-87 Buick, Chevrolet, GMC, Cadillac, Oldsmobile, Pontiac; Heater Shut Off Valve; Water Flow Control
Classic $25.99 ea
1966-06 Heater Water Control Valve; Plastic
The heater water shut-off valve is vacuum operated from the dash heater control. When vacuum is applied, the valve closes preventing the flow of coolant to the heater core assembly. {fitment}