48Re Stage 3 Package 2003 Dodge 4Wd ATS Diesel " FLEECE PERFORMANCE DODGE - Transmission Parts and Upgrades " If you have a stock

If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3

6L GM Duramax Diesel

see fitment notes section above

steel equipment engineered by Rough Country

48Re Stage 3 Package 2003 Dodge 4Wd ATS Diesel " FLEECE PERFORMANCE DODGE - Transmission Parts and Upgrades " If you have a stockThe 48RE transmission is the weakest point on a Dodge Cummins truck. Not only do they fail on trucks with minor upgrades, but even trucks in stock form have been known to be too powerful. A heavy duty truck needs parts which can stand up to heavy trailers, stop and go commutes to work, or high horsepower applications. Thats why ATS modifies the transmission to make it the strongest and most reliable part of your drivetrain. With the many shortcomings