Hot coolant from the vehicle's engine is passed through a winding tube of the core, a heat exchanger between coolant and cabin air. SUPERIOR DESIGN The aluminum plates on our heater cores are precision cut and stamped to reduce product weight and improve product performance LONGER PRODUCT LIFE CYCLE Our Heater cores are made from premium grade Aluminum with cadmium plated tubes inside and out to prevent premature failure Anyone know where I can order a replacement heater core box for my ‘71 Maverick?? Or have one they are willing to sell Size: 7" × 6" × 2". Please check size of your heater core before ordering. Tractor Heater Core Mechanics Choice HVAC Heater Core For 1967-1977 Ford, Mercury Comet, Cougar, Maverick, Montego, Mustang, Pinto (V8 5.0L) (with AC Cj7 Heater Corrosion-Resistant Coating- Features a protective finish to prevent rust and extend the lifespan of the component. QUALITY TESTED To provide peace of mind we individually pressure test each heater core to ensure they are 100% leak proof when they leave the factory HVAC Heater Core For 1971-1978 Ford Mustang II, Pinto Fix your commercial kitchen equipment today! Find genuine OEM HVAC Parts at Parts Town with the largest in-stock inventory and same day shipping until 9pm ET