No matter the condition of your 1990 DeVille, OPGI has the Fuel Pumps & Regulators you need to boost performance and get you back on the road. We currently carry 39 Fuel Pumps & Regulators to choose from for your 1990 DeVille, and our Price Match Guaranteed prices range from as little as $43.99 up to $1,721.99. OPGI offers Holley plus six other trusted brands of Fuel Pumps & Regulators for your 1990 DeVille, 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 Fuel Pumps & Regulators in person.