1958 Chevy Impala OEM Heater Control Valve REBUILTThis original 1958 Chevrolet heater control valve has been fully rebuilt. The valve attaches to the heater core and controls the temperature for the passenger compartment. CORE REQUIRED SELECT YOUR OPTION: FAST We charge for the core upfront and ship out the remanufactured part immediately. Once you send us your core, we will then issue a 100% core refund so long as the core is rebuildable. Customer is responsible for the core return shipping. SLOW We