2022-2024 Chevy & GMC Silverado & Sierra 1500 3.0L Duramax Parts & Accessories

The 3.0L Duramax under the hood of your 2022-2024 Silverado or Sierra 1500 throws down some serious torque, but you can get even more capability out of your diesel truck with performance drivetrain parts from Tier One. We have all the upgrades for 2022-2024 Silverado or Sierra Duramax trucks that you need to bulletproof your transmission and put that diesel torque to the ground. Tier One has everything from our very own lineup of Silverado & Sierra Duramax built transmissions and rebuild kits that hold more power than stock to essential durability upgrades like high-performance torque converters, thermal bypass valves, and deep transmission pans. Whether you are towing a heavy trailer or hitting the trails, Tier One can help your Silverado or Sierra diesel tear it up without worrying about transmission failure. If you don't see what you're looking for, contact Tier One or call 602-399-5484! If your stock transmission has failed or is slipping, reliable replacements are available, so check out our 2022-2024 Chevy & GMC 1500 3.0L Duramax Complete Transmissions. The factory torque converter is prone to flexing under load, so get better power transfer and reliability with one of our billet 2022-2024 Chevy & GMC 1500 3.0L Duramax Torque Converters. The 10L80 runs hot by design, which kills fluid life, so keep your temps in check with our 2022-2024 Chevy & GMC 1500 3.0L Duramax Transmission Coolers. Low lubrication pressure causes premature failure in these units, but you can fix it permanently with our 2022-2024 Chevy & GMC 1500 3.0L Duramax Valve Bodies. Finally, whether you need a deep pan for extra capacity or a thermal bypass valve, find it in our section of 2022-2024 Chevy & GMC 1500 3.0L Duramax Transmission Parts.