This Transgo shift kit for Dodge A618 / 48RE HO (High Output) Diesel & V10 2003-2007 provides increased torque capacity for heavy-duty diesel trucks. The properly installed kit reduces drain-back and converter slippage and adjusts lock-up and shift firmness.
Please verify your A618 transmission model. The 8th digit “C” in your vehicle’s VIN indicates a 48RE model, while the 8th digit “6” indicates a 47RE model.