No matter the condition of your 1966 Eldorado, OPGI has the Keys products you need to boost performance and get you back on the road. We currently carry four Keys items to choose from for your 1966 Eldorado, and our Price Match Guaranteed prices range from as little as $3.47 up to $13.99. OPGI offers RESTOPARTS plus zero other trusted brands of Keys products for your 1966 Eldorado, to help you find quality parts you can rely on. With OPGI's 45-day return policy and two customer reviews, 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 Keys items in person.