Up the performance of your 48re transmission, firm up the shifts, stop those nagging first to second slips, and lower ET times quickly! does not fix slipping transmissions This TransGo 48RE SHIFT KIT® Valve Body Repair Kit fits 2003 to 2008 Dodge and Ram vehicles equipped with the 48RE automatic transmissions with a gas or diesel engine. Common complaints on this transmission are TCC slip or shudder, 2^nd gear band and direct clutch failure as well as torque converter drain-back.