No matter the condition of your 1955 Eldorado, OPGI has the Transmissions you need to boost performance and get you back on the road. We currently carry 113 Transmissions to choose from for your 1955 Eldorado, and our Price Match Guaranteed prices range from as little as $1.99 up to $4,702.99. OPGI offers McLeod plus fourteen other trusted brands of Transmissions for your 1955 Eldorado, 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 Transmissions in person.