2014-2018 Chevy & GMC Silverado & Sierra 1500 6.2L Parts & Accessories

Your 6.2L-powered Silverado or Sierra 1500 is a beast, but whether you have the 6-speed 6L80 or the 8-speed 8L90, the factory transmission is the weak link. Tier One carries the essential drivetrain upgrades you need to fix common issues like torque converter shudder, high operating temps, and weak clutch engagement. We have everything from built 6L80 transmissions and billet torque converters to thermal bypass valves and deep pans. Whether you are towing heavy or ripping down the drag strip, Tier One has the parts to keep your Silverado or Sierra shifting firmly. We are your one-stop-shop for 6.2L transmission performance. If you don't see something you need, contact Tier One or call 602-399-5484! If your stock transmission has failed or is shuddering, reliable replacements are available, so check out our 2014-2018 Silverado & Sierra 1500 6.2L Complete Transmissions. The factory torque converter is the number one cause of failure in both 6-speed and 8-speed models, so upgrade to a billet unit from our 2014-2018 Silverado & Sierra 1500 6.2L Torque Converters. These transmissions run excessively hot, so extend fluid life with our 2014-2018 Silverado & Sierra 1500 6.2L Transmission Coolers. Erratic shifting can be fixed with our updated 2014-2018 Silverado & Sierra 1500 6.2L Valve Bodies. Finally, whether you need a deep pan or a thermal bypass valve, find it in our section of 2014-2018 Silverado & Sierra 1500 6.2L Transmission Parts.