Build your 2003-2004 Dodge/Ram 5.9L Cummins fuel-supply setup around the AirDog Raptor 4G RP-4G-150. This 150 GPH Raptor pump kit provides an application-specific fuel-delivery option without adding an AirDog dual-filter assembly.
Key details
- Manufacturer part number: R4SBD325
- Series: AirDog Raptor 4G
- Model: RP-4G-150
- Nominal flow rating: 150 GPH
- Fuel type: Diesel
- Application: 2003-2004 Dodge/Ram 5.9L Cummins
- Pump configuration: Without In-Tank Pump
- Engine family: Cummins
- Valvetrain: 24V
- Sold as: Kit
- Country of origin: US
- Fuel pressure: 15-17 psi (factory preset)
Fitment and ordering notes
- Application range: 2003-2004 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.
Installation overview
- Mounts to the frame rail using the supplied sandwich plate mounting system.
- The pressure side connects directly into the side of the fuel filter housing on the engine block.
- Internal regulation eliminates a separate pump-return line; retain the engine's original return circuit.
- The linked RP-4G manual specifies fuel-module upgrade kit 901-01-0510 for the 150 GPH version. Confirm included hardware for the current kit revision; do not assume the tank pickup can remain unchanged.
- For 2003-2004 applications without an in-tank lift pump. Verify the actual pump configuration before ordering.
- Keep the inlet screen installed and retain factory fuel filtration.
- Internal pressure regulation does not eliminate the engine's original return circuit.
- Pump kit, not an AirDog dual-filter/air-separation assembly. Do not remove required fuel filtration.
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 reference
Application installation manual. Check the instructions supplied with the current kit for revision-specific hardware and settings.
Warranty and registration
The linked application manual describes a limited lifetime warranty for the original purchaser, subject to registration and proof of purchase within 30 days; otherwise it states one year. Review the applicable terms and register with AirDog.
California warning
CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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