+3 SEAL KIT-HEATER BOX-WITH AIR CONDITIONING-78-82 (#E5841) SKU 02000 $59.95 In stock Quantity: 1 Add to Bag Product Details 1978-1982 C3 CORVETTE HEATER CORE BOX GASKET & SEAL KIT - WITH AIR CONDITIONING (A/C). Save this product for later Favorite