No matter the condition of your 1999 Eldorado, OPGI has the Oils, Fluids & Sealer products you need to boost performance and get you back on the road. We currently carry four Oils, Fluids & Sealer items to choose from for your 1999 Eldorado, and our Price Match Guaranteed prices range from as little as $14.99 up to $23.99. OPGI offers 3M plus one other trusted brands of Oils, Fluids & Sealer products for your 1999 Eldorado, to help you find quality parts you can rely on. With OPGI's 45-day return policy and thousands of 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 Oils, Fluids & Sealer items in person.