No matter the condition of your 1981 Bonneville, OPGI has the Fittings & Hoses you need to boost performance and get you back on the road. We currently carry 43 Fittings & Hoses to choose from for your 1981 Bonneville, and our Price Match Guaranteed prices range from as little as $4.99 up to $539.99. OPGI offers Old Air Products plus seven other trusted brands of Fittings & Hoses for your 1981 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 Fittings & Hoses in person.