Build your 1998.5-2004 Dodge/Ram 5.9L Cummins fuel-supply setup around the AirDog I 4G FP-100-4G. This 100 GPH AirDog fuel system combines an application-specific lift-pump installation with an air/vapor return circuit.
Key details
- Manufacturer part number: A4SPBD101
- Series: AirDog I 4G
- Model: FP-100-4G
- Nominal flow rating: 100 GPH
- Fuel type: Diesel
- Application: 1998.5-2004 Dodge/Ram 5.9L Cummins
- Pump configuration: Without In-Tank Pump
- Engine family: Cummins
- Valvetrain: 24V
- Sold as: Kit
- Country of origin: US
Fitment and ordering notes
- Application range: 1998.5-2004 Dodge/Ram 5.9L Cummins. Confirm the engine and existing fuel-system configuration before ordering.
- This is the without in-tank pump version. In-tank-pump conversion history matters, not just the truck's model year.
- The 1998.5 starting point refers to the 24-valve application, not early-1998 12-valve trucks.
Installation overview
- Mounts to the frame rail using the supplied sandwich plate mounting system.
- Fuel is pulled from the factory sending unit in the tank to supply fuel to the AirDog.
- The pressure side connects directly to the VP44 or CP3 injection pump, bypassing the factory block mounted fuel pump and fuel filter housing.
- The AirDog Air/Vapor return is sent back to the tank through a filler neck tee.
Tech tips
- Choose flow capacity around the complete fuel system and intended use; a GPH rating is not a guaranteed horsepower or fuel-economy gain.
- Use the exact kit's installation instructions for hose routing, electrical connections, priming, leak checks and operating-pressure verification.
- Confirm tank, pickup and filtration modifications before scheduling installation. The overview above does not replace the installation manual.
Installation resources and warranty
Use the exact part number to locate the applicable instructions in the AirDog resource library. Confirm warranty terms for this model and complete the manufacturer registration as required.
California warning
CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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