Product Description
FASS FASD02100G ADJUSTABLE DIESEL FUEL LIFT PUMP 100GPH FOR 1994–1998 DODGE 5.9 CUMMINS 12 VALVE
The FASS FASD02100G is a Signature Series Adjustable diesel lift pump rated at 100 GPH with an adjustable 1–20 PSI range, perfect for P-pump (P7100) 12-valve builds from 1994–1998. It uses the same robust motor family found in Titanium Signature systems and adds a Boost Compensation Port plus a built-in fuel pressure gauge port for precise tuning. This is a pump/system that retains the factory fuel filter on these trucks.
Fitment & Notes
- Vehicle: 1994–1998 Dodge Ram 2500/3500, 5.9L Cummins 12-valve (P7100).
- Output: 100 GPH; user-adjustable 1–20 PSI (set based on your build and tuner guidance).
- Ports: Boost compensation port; dedicated fuel pressure gauge port.
- Includes: Complete pump assembly with all mounting hardware for a clean, reliable install.
- Filter strategy: Uses the factory fuel filter (no XWS/PF conversion needed for Adjustable Series).
Installation & Manuals
Find step-by-step install guides on the FASS site: FASS Installation Manuals | Adjustable-series overview: Adjustable Fuel Pumps.
Cross-Reference & Related FASS Items (CPP Diesel)
- Other 94–98 Adjustable options: FASD02165G (165GPH), FASD10180F140G (140GPH @ 45 PSI), FASD10250F240G (240GPH), FASD10290F260G (260GPH).
- Titanium Signature alternatives (same trucks): TSD10180F140G (140GPH), TSD10250F240G (240GPH), TSD10290F260G (260GPH).
- No-Drop & PLUS variants: NDTSD10180F140G (No-Drop), TSPD10180F140G (PLUS), TSPD10250F240G (PLUS).
- Popular FASS accessories: FPR1001 Fuel Pressure Regulator, STK1002 Suction Tube Kit, HK1001 Heater Kit, HK1002 Heater Disk, HKS1001 Heater Splitter.
FAQ
Does this Adjustable pump replace my factory fuel filter?No. The Adjustable Series on these trucks retains the factory fuel filter.
What fuel pressure should I run on a 12-valve?
The unit adjusts 1–20 PSI. Many P7100 builds target the mid-to-upper teens—always verify with a gauge and tuner recommendations.
Is there a boost compensation feature?
Yes. The Boost Compensation Port raises fuel pressure under WOT to help maintain rail supply.
What comes in the box?
Pump assembly, mounting bracketry, and all required hardware. See the FASS manuals for install details.
Specifications for Fass FASD02100G
| Brand | FASS Fuel Systems |
| Part Number | FASD02100G |
| Flow / Pressure | 100 GPH; adjustable 1–20 PSI |
| Engine / Years | 1994–1998 Dodge Ram 2500/3500, 5.9L Cummins 12-valve |
| Key Features | Boost compensation port; built-in gauge port; Whisper Technology |
| UPC | 850044106998 |
| GTIN | 0850044106998 |
| Shipping Weight | — |
| Package Dimensions | 14.00" W × 11.50" H × 18.00" D |
| Shipping | Free Shipping (Continental U.S.) |
| Prop 65 | Yes — Cancer and Reproductive Harm |
