Build-It kits are for experienced transmission builders who want the parts BD puts in its own performance transmissions. Each kit covers the standard rebuild parts and gaskets; Stage 4 is the top level, close to everything BD uses in its own rebuilds.
This package adds a BD multi-disc torque converter. BD machines the billet cover in-house to resist warping and keep balance, keeps factory height while adding strength, and uses a stronger clutch piston and damper plus self-centering trapezoid clutch teeth for longer converter life.
Experienced builders rebuilding a 48RE in a 2003-2007 Dodge/Ram 5.9L Cummins for towing or added power.
| Transmission | 48RE |
|---|---|
| Engine / years | 5.9L Cummins, 2003-2007 |
| Kit level | Stage 4 |
| Converter | BD multi-disc, CNC billet cover, factory height |
| Warranty | Converter 36 months / 150,000 miles; Build-It parts 12 months / 12,000 miles |
| Shipping weight / box | 89 lb · 17 × 29 × 11 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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