No matter the condition of your 1963 Cutlass, OPGI has the Heater Cores products you need to boost performance and get you back on the road. We currently carry one Heater Cores items to choose from for your 1963 Cutlass, and our Price Match Guaranteed prices range from as little as $75.99 up to $75.99. OPGI offers RESTOPARTS plus minus one other trusted brands of Heater Cores products for your 1963 Cutlass, to help you find quality parts you can rely on. With OPGI's 45-day return policy, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Heater Cores items in person.