No matter the condition of your 1979 Bonneville, OPGI has the Window products you need to boost performance and get you back on the road. We currently carry two Window items to choose from for your 1979 Bonneville, and our Price Match Guaranteed prices range from as little as $15.99 up to $25.99. OPGI offers M&H plus one other trusted brands of Window products for your 1979 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 Window items in person.