AirDog A7SPBD253 100 GPH II-5G Lift Pump & Fuel System for 98.5-04 Dodge 5.9L

Vehicle Fitment

• 1998.5-2004 Dodge Ram 5.9L 24V Cummins (w/o in-tank fuel pump)

Features

• 100 GPH (gallons per hour) high-flow diesel lift pump
• Air/Fuel separation removes entrained air and water from fuel
• Demand Flow design recirculates unused fuel for cleaner delivery
• Integrated diaphragm fuel pressure regulator (adjustable pressure)
• Mounts to frame rail using supplied sandwich plate system
• Improved throttle response and fuel system stability
• Supports stock through moderate performance applications
• Complete installation kit with wiring, fittings, and hardware included

Specifications

• Part Number: A7SPBD253
• Flow Rate: 100 GPH
• Fuel Type: Diesel
• Pump Type: AirDog II-5G DF-100-5G with air/fuel separation
• Pressure Regulation: Diaphragm-style adjustable regulator
• Compatibility: Direct upgrade for 1998.5-2004 Dodge Ram 5.9L Cummins without in-tank pump

Included Components

• 1x AirDog II-5G DF-100-5G Lift Pump & Air/Fuel Separation Unit
• 1x Frame Rail Mounting Bracket & Sandwich Plate
• 1x Wiring Harness with Relay and Fuse
• 1x Set of Fuel Lines
• 1x Fuel Fittings Kit
• 1x Installation Hardware Pack
• 1x Installation Manual

Product Description

The AirDog A7SPBD253 II-5G DF-100-5G fuel delivery system is a high-performance diesel lift pump and air/fuel separation upgrade engineered specifically for 1998.5-2004 Dodge Ram trucks with the 5.9L Cummins engine and without an in-tank fuel pump. Designed to supply a consistent high flow of clean fuel while removing entrained air and water, this system improves throttle response, helps protect the injection system, and enhances overall fuel system efficiency.

This complete kit includes everything needed for installation, such as wiring, fittings, fuel lines, and mounting hardware. With its integrated diaphragm pressure regulator, the AirDog II-5G DF-100-5G allows for adjustable fuel pressure tailored to both stock and moderately modified engines. Ideal for Cummins owners seeking a reliable fuel system upgrade that combines performance with durability.