No matter the condition of your 1978 Bonneville, OPGI has the Fuel Pumps & Regulators you need to boost performance and get you back on the road. We currently carry fifteen Fuel Pumps & Regulators to choose from for your 1978 Bonneville, and our Price Match Guaranteed prices range from as little as $32.99 up to $652.99. OPGI offers FiTech plus three other trusted brands of Fuel Pumps & Regulators for your 1978 Bonneville, 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.