Product Description
Overview
The FASS DRP04 Replacement Fuel Lift System is a direct-replacement lift pump engineered for the 2003–2004 Dodge Ram 2500/3500 with the 5.9L Cummins (24V Common Rail). It replaces weak factory units to deliver consistent, reliable fuel supply to the CP3—improving drivability and long-term reliability.
Why Upgrade to DRP04
- Direct-replacement design for 03–04 5.9L Cummins
- Stronger motor for steady fuel delivery to the CP3
- Frame-mount hardware included for clean, easy install
- Compatible with FASS RK04 Relocation Kit to reduce suction distance and improve pump life
Fitment
- Vehicle: Dodge Ram 2500/3500
- Engine: 5.9L Cummins (24V Common Rail)
- Years: 2003–2004
Recommended Cross-Reference / Complementary FASS Parts (CPP Diesel)
- Relocation: FASS RK04 Relocation Kit
- Suction Tube (eliminate 1/4-tank issues): FASS STK1005 Bulkhead & Viton Suction Tube Kit
- Filtration (standard length): PF3001 Particulate Filter + XWS3002 Extreme Water Separator
- Filter Packs: FP3000 Filter Pack or FLP3000 Fleet Pack
Installation Instructions
Download the official FASS installation manuals here: fassride.com/manuals.
FAQ
Does the DRP04 require the RK04 relocation kit?No, it can be installed as a direct replacement. However, relocating the pump closer to the tank with the RK04 reduces suction distance and helps the pump push under pressure, which improves performance and longevity.
Will this work with my stock CP3?
Yes. DRP04 is designed to maintain steady supply pressure for the factory CP3 on 2003–2004 5.9L Cummins.
Which filters should I keep on the shelf?
Use the current two-filter strategy: PF3001 on the suction side and XWS3002 on the pressure side. For convenient stocking, see FP3000 and FLP3000.
Do I need a draw straw/suction tube kit?
Not required, but the STK1005 helps eliminate 1/4-tank issues and supports higher-flow configurations.
Specifications for Fass DRP04
| Item | Value |
|---|---|
| Brand | FASS Fuel Systems |
| Part Number | DRP04 |
| SKU | FASDRP04 |
| UPC | 850044106769 |
| GTIN (14) | 00850044106769 |
| Package Dimensions (W × H × D) | 6.50 in × 4.75 in × 7.75 in |
| Shipping | Free Shipping (small parcel) |
| Country of Origin | Not specified |
| Prop 65 | Not specified by manufacturer |
