Find a variety of factory-style, upgraded, and deep Automatic Transmission Pans available for your 2020-2023 Chevy/GMC 6.6L L5P Duramax. Factory style stamped steel pans are often a perfect replacement for a rusted or damaged pan. Aftermarket deep pans typically increase fluid capacity and many come with heat-dissipating fins cast into the pan. ATS Diesel, BD-Power, Dorman, and Mag-Hytec just some of the industry-leading manufacturers you'll find for your transmission.