ATS Diesel 96-07 5.9L Cummins 47Re 48Re Billet Transmission Internal Upgrade Kit

When building a transmission for a 1996-2007 5.9L Cummins, small parts often make the biggest difference in long-term reliability. The ATS 314-930-2104 Billet Small Parts Kit upgrades the weak points of 47RE or 48RE transmissions with precision-machined billet components for strength and performance. This kit replaces common failure-prone cast parts with durable billet versions that withstand high-stress conditions and high-horsepower builds. It includes a billet 2nd gear accumulator piston assembly, billet band anchor and strut, a billet 4.2 ratio 2nd gear band lever, billet low/reverse servo assembly, and an upgraded intermediate accumulator piston. These components are designed to provide consistent shifts, better engagement under load, eliminate soft shifts, reduce slippage, and extend transmission life, especially when paired with a full rebuild or performance valve body.