1954 GMC 370 Heater Control Valves
- gpd®HVAC Heater Control ValveGMC 370 1954, HVAC Heater Control Valve by gpd®. With 5/8" Inside Dia Hose. 2 Ports. Heater cores transfer heat from the engine's cooling system to the inside of the vehicle. Thermostat housing and water outlets are connections that...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$14.21