Product Description
FASS FASD08290G ADJUSTABLE DIESEL FUEL LIFT PUMP 290GPH FOR 1998.5–2004 DODGE 5.9 CUMMINS
The FASS FASD08290G is a Signature Series Adjustable diesel lift pump engineered for high-demand 5.9L Cummins builds. It delivers 290 GPH with an adjustable 1–75 PSI range, plus a Boost Compensation Port and a built-in fuel pressure gauge port for precise tuning and stable pressure under wide-open throttle.
Fitment & Notes
- Vehicle: 1998.5–2004 Dodge Ram 2500/3500 5.9L Cummins (24-valve/VP44).
- Output: 290 GPH; adjustable 1–75 PSI (set to your build’s needs).
- System type: Pump/system only — retains the factory fuel filter on these trucks.
- Includes: Bulkhead fitting & 5/8" suction tube kit, mounting hardware, gauge port.
- Noise control: FASS Whisper Technology for quiet operation.
Installation & Manuals
Find the official FASS installation instructions here: FASS Installation Manuals.
Cross-Reference & Related FASS Items (CPP Diesel)
- Same-platform Adjustable pumps: FASD08100G (100GPH), FASD08165G (165GPH), FASD08250G (250GPH).
- Titanium Signature alternatives: TSD08290G (290GPH).
- Popular accessory: STK1002 Suction Tube Kit.
FAQ
Does this Adjustable series pump replace my factory fuel filter?No. On 1998.5–2004 5.9L trucks the Adjustable series retains the factory fuel filter.
What fuel pressure should I run on a VP44 truck?
The system adjusts 1–75 PSI. Many VP44 builds target mid-teens to low-20s PSI under load—use a gauge and follow your tuner’s guidance.
What comes in the box?
Complete pump assembly with bracketry, bulkhead & 5/8" suction tube kit, boost compensation fitting, and a dedicated gauge port.
Specifications for Fass FASD08290G
| Brand | FASS Fuel Systems |
| Part Number | FASD08290G |
| Flow / Pressure | 290 GPH; adjustable 1–75 PSI |
| Engine / Years | 1998.5–2004 Dodge Ram 2500/3500 5.9L Cummins (24-valve) |
| Key Features | Boost compensation port; built-in gauge port; Whisper Technology; includes bulkhead & 5/8" suction tube |
| UPC | 850044137121 |
| GTIN | 0850044137121 |
| Package Dimensions | 14.00" W × 11.50" H × 18.00" L |
| Shipping | Free Shipping (Continental U.S.) |
| Prop 65 | Yes — Cancer and Reproductive Harm |