Product Description
FASS FASD08250G ADJUSTABLE DIESEL FUEL LIFT PUMP 250GPH FOR 1998.5–2004 DODGE 5.9 CUMMINS
The FASS FASD08250G is a Signature Series Adjustable diesel lift pump delivering 250 GPH for 1998.5–2004 Dodge 5.9L Cummins (24-valve, VP44). It features an adjustable 1–75 PSI pressure range (commonly set ~16–18 PSI on VP44 trucks), a Boost Compensation Port to help maintain pressure at WOT, and a dedicated fuel pressure gauge port for precise tuning.
Fitment & Notes
- Vehicle: 1998.5–2004 Dodge Ram 2500/3500 5.9L Cummins (24-valve VP44).
- Output: 250 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 & 5/8" Suction Tube kit, return port, and full mounting hardware.
Installation & Manuals
Find the official FASS install guides here: FASS Installation Manuals and the Adjustable Series Manuals.
Cross-Reference & Related FASS Items (CPP Diesel)
- Same-platform Adjustable options: FASD08100G (100GPH), FASD08165G (165GPH), FASD08290G (290GPH).
- Titanium Signature alternatives: TSD08100G (100GPH), TSD08165G (165GPH), TSD08250G (250GPH), TSD08290G (290GPH).
- No-Drop & PLUS kits (for Titanium systems): NDTSD08250G (No-Drop), TSPD08165G (PLUS), TSPD08100G (PLUS).
- Popular accessory: STK1002 Suction Tube Kit.
FAQ
Does this Adjustable pump replace my factory fuel filter?No. Adjustable Series systems on these trucks retain the factory fuel filter.
What pressure should I run on a VP44 truck?
The system adjusts 1–75 PSI. Many VP44 builds target ~16–18 PSI; always verify with a gauge and your tuner’s guidance.
Is there a boost compensation feature?
Yes. The built-in Boost Compensation Port helps sustain fuel pressure under wide-open throttle.
What comes in the box?
Pump assembly, bulkhead & 5/8" suction tube kit, return port, wiring, and full mounting hardware.
Specifications for Fass FASD08250G
| Brand | FASS Fuel Systems |
| Part Number | FASD08250G |
| Flow / Pressure | 250 GPH; adjustable 1–75 PSI (VP44 commonly ~16–18 PSI) |
| Engine / Years | Dodge Ram 2500/3500 5.9L Cummins (1998.5–2004, 24-valve VP44) |
| Key Features | Boost compensation port; built-in fuel pressure gauge port; Whisper Technology |
| UPC | 850044137114 |
| GTIN | 0850044137114 |
| Package Dimensions | 18.00" L × 14.00" W × 11.50" H |
| Shipping Weight | ~18 lb |
| Shipping | Free Shipping (Continental U.S.) |
| Prop 65 | Yes — Cancer and Reproductive Harm |