When it comes to rebuilding your 2001-2004 Chevy/GMC 6.6L LB7 Duramax's transmission, get a broad selection of Automatic Transmission Shafts. We carry top brands such as BD-Power, RevMax, Sun Coast, and ATS that are known for their high-quality diesel transmissions. Find the Automatic Transmission Shafts you need like stronger upgraded input, intermediate, and output shafts. For better holding strength and a longer service life, these Automatic Transmission Shafts are constructed from materials such as billet Aeromet and Maraging steel. Get the shafts you need when rebuilding or upgrading the transmission in your vehicle with the Automatic Transmission Shafts available at XDP!