No matter the condition of your 1983 Eldorado, OPGI has the Smog Components products you need to boost performance and get you back on the road. We currently carry one Smog Components items to choose from for your 1983 Eldorado, and our Price Match Guaranteed prices range from as little as $36.99 up to $36.99. OPGI offers RESTOPARTS plus minus one other trusted brands of Smog Components products for your 1983 Eldorado, 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 Smog Components items in person.