Heavy duty transmission parts work simultaneously to provide the right amount of power to your wheels for optimum speed. Without dependable and high-quality transmission parts, you risk losing fuel economy and drivability.Keep your heavy duty truck transmission running at peak performance with high quality transmission parts from FleetPride, including replacement manual and automatic transmissions, transmission bearings, shifters, transmission breathers, transmission gears, manual transmission shift cables, transmission bearing retainers, transmission drain plugs, air module assemblies, oil coolers, isolator bushing kits, valve assemblies, transmission fixes, transmission filter kits, transmission accessories, and more. View our extensive inventory of parts to be Ready for the Road Ahead™.Eaton provides heavy duty clutches and clutch components to the heavy duty truck industry. Eaton has a reputation for being reliable and efficient. Eaton products are high-performance, high-quality, and long-lasting. Eaton is dedicated to outstanding manufacturing and product innovation. As a result, customers receive solutions that are durable, cost-effective, and sustainable. Eaton began in 1911 and currently has headquarters in Dublin, Ireland. The company has over 92,000 employees in more than 175 countries.