Product Description
The REVMAX 478-703 48RE High Performance Rebuild Kit is designed for serious 5.9L Cummins owners who want stronger clutch holding power and improved durability over stock rebuild components. Built around GPZ high-energy friction materials and performance steels, this kit is ideal for performance builds, towing applications, and trucks running power upgrades.
Why Choose the 478-703 GPZ Kit?
- Upgraded GPZ high-energy clutch frictions for superior heat resistance
- Kolene-coated steels for improved durability and reduced wear
- Performance-oriented clutch pack configuration
- Designed for diesel torque loads and heavy-duty use
Key Components Included:
- Direct clutch GPZ performance frictions with Kolene steels
- Forward clutch GPZ performance frictions with Kolene steels
- Overdrive direct and brake clutch components
- High-performance intermediate band
- Filter
- Pump bushing
- Overhaul sealing components
Fitment:
- 2003–2007 Dodge Ram 2500/3500
- 5.9L Cummins Turbo Diesel
- 48RE Automatic Transmission
| Specifications for REVMAX 478-703 | |
|---|---|
| UPC | 193564455116 |
| GTIN | 193564455116 |
| Shipping Info | Shipping Weight: 18.00 lb Package Dimensions: 25 in (L) x 19 in (W) x 6 in (H) |
| Prop 65 | WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov |
FAQ
Is this better than a standard rebuild kit?Yes. The GPZ friction material offers improved heat resistance and holding capacity compared to standard stock-style rebuild kits.
Will this support tuned or modified Cummins trucks?
This kit is designed for performance applications and works well in tuned trucks, towing setups, and moderate horsepower builds when assembled correctly.
Is this for 47RE transmissions?
No. This kit is specifically designed for the 48RE transmission found in 2003–2007 Dodge Ram 5.9L Cummins trucks.
Do I need additional hard parts?
This is a performance rebuild kit. Hard parts such as drums, shafts, or valve body upgrades may be required depending on your build goals and transmission condition.
Does this product carry a Prop 65 warning?
Yes. See the Prop 65 notice listed in the specifications table above.