1962 Cadillac Heater Control Valve-Harrison. GM Part Number 3153935 group 9.795 This is a rebuilt Harrison Heater control valve that fits the following Cadillac's; 1962 Cadillac Except "75" Series Limousines and Commercial Chassis, Also Fits 1963 1964 Cadillac "75" Series and Commercial Chassis. Valve is $200.00 Plus a $175.00 Core Charge. Core Charge will be returned when you return your Harrison Valve to us.