2007.5-2009 Ram 6.7L Cummins Complete Transmissions

The mighty 6.7L Cummins diesel under the hood of your Ram 2500 or 3500 is capable of making huge amounts of horsepower with even a few mods, but the stock 68RFE transmission helping to power your truck struggles to keep up with the strain. Tier One's complete transmissions for 2007.5-2009 Ram 6.7L Cummins 2500 and 3500 trucks can handle all the power your Cummins can churn out so that you get reliable operation no matter your Ram's horsepower level or application. Tier One offers 68RFE transmissions for 6.7L Cummins trucks that can tackle heavy towing, aggressive street driving, tough off-roading, brutal launches at the track, and high-powered dyno day use. We have Ram 6.7L Cummins transmissions in several configurations so that you can find the one that's perfect for your truck's power level or budget. Even the best transmission build needs a reliable connection to the engine, so if you are piecing together your own build or need a specific stall speed, look at our 2007.5-2009 Ram 6.7L Cummins Torque Converters. You've invested in a high-performance transmission, now you need to protect it from heat while towing by adding one of our 2007.5-2009 Ram 6.7L Cummins Transmission Coolers. If you aren't ready for a complete transmission swap but want to fix shifting issues and increase line pressure, a standalone valve body upgrade is a great middle-ground, so check out our 2007.5-2009 Ram 6.7L Cummins Valve Bodies. From deep pans that increase oil capacity to billet shafts for custom rebuilds, we have the individual components to finish your project in our 2007.5-2009 Ram 6.7L Cummins Transmission Parts.