No matter the condition of your 1965 GTO, OPGI has the Water Pumps you need to boost performance and get you back on the road. We currently carry twelve Water Pumps to choose from for your 1965 GTO, and our Price Match Guaranteed prices range from as little as $5.91 up to $594.99. OPGI offers Aeromotive plus two other trusted brands of Water Pumps for your 1965 GTO, 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 Water Pumps in person.