Product Description
FASS FASD10180F140G ADJUSTABLE DIESEL FUEL LIFT PUMP 180F 140GPH AT 45PSI FOR 1994–1998 DODGE 5.9 CUMMINS 12 VALVE
The FASS FASD10180F140G is a Signature Series Adjustable diesel lift pump delivering 140 GPH with a user-adjustable 1–75 PSI range (commonly set near ~45 PSI for P-pump 12V builds). It retains your factory fuel filter and adds a Boost Compensation Port plus a dedicated fuel pressure gauge port for precise tuning and rock-solid rail pressure under load.
Fitment & Notes
- Vehicle: 1994–1998 Dodge Ram 2500/3500 with 5.9L Cummins 12-valve (P7100).
- Output: 140 GPH; adjustable 1–75 PSI (typical 12V setting ~45 PSI).
- System type: Adjustable Series fuel system only — uses your OEM fuel filter.
- Ports: Boost compensation port; built-in 1/8" NPT fuel pressure gauge port.
- Includes: Complete pump assembly and mounting hardware for a clean install.
Installation & Manuals
Install guides are available on the FASS site: FASS Installation Manuals.
Cross-Reference & Related FASS Items (CPP Diesel)
- Same-truck Adjustable upgrades: FASD10250F240G (240GPH), FASD10290F260G (260GPH).
- Titanium Signature alternatives for 94–98: TSD10180F140G (140GPH).
- Helpful accessory: FPR1001 Adjustable Fuel Pressure Regulator.
- Category for all 94–98 Cummins lift pumps: 94–98 Cummins 12V Lift Pumps.
FAQ
Does this replace my factory fuel filter?No. The Adjustable Series is a fuel system only and retains the OEM fuel filter on 94–98 trucks.
What fuel pressure should I run on a 12-valve?
The unit adjusts from 1–75 PSI. Many P-pump setups target ~45 PSI—verify with a gauge and your tuner’s guidance.
Is there a boost compensation feature?
Yes. The built-in Boost Compensation Port helps maintain commanded fuel pressure under wide-open throttle.
What’s included in the kit?
Complete pump assembly with all required mounting hardware and provisions for an external fuel pressure gauge.
Specifications for Fass FASD10180F140G
| Brand | FASS Fuel Systems |
| Part Number | FASD10180F140G |
| Flow / Pressure | 140 GPH; adjustable 1–75 PSI (commonly ~45 PSI on 12V) |
| Engine / Years | Dodge Ram 2500/3500, 5.9L Cummins 12-valve (1994–1998) |
| System Type | Fuel system only; retains OEM fuel filter |
| UPC | 850044137138 |
| GTIN | 0850044137138 |
| Shipping Weight | ~20 lb |
| Package Dimensions | Approx. 14.0" W × 11.5" H × 18.0" L |
| Shipping | Free Shipping (Continental U.S.) |
| Prop 65 | Yes — Cancer and Reproductive Harm |
