1962 Chevrolet Impala Fitment – Designed as a direct replacement heater core for 1962 Chevrolet Impala and other GM full-size models including Bel Air and Biscayne without factory air conditioning., Direct Factory Style Replacement – Engineered to match original heater core specifications for easy installation inside the factory heater box assembly., Efficient Cabin Heating Performance – Transfers heat from engine coolant to the vehicle interior to restore proper heater and defroster operation., Correct Hose Connection Sizes – Features approximately 5/8" inlet and 3/4" outlet hose connections to match factory heater hose routing., Durable Heater Core Construction – Built with quality materials such as copper/brass or aluminum depending on production batch, designed for long service life an.