aFe DFS780 MAX Universal Fuel Pump

This aFe fuel-system component is the DFS780 MAX Universal Fuel Pump. Confirm fuel type, pressure and flow requirements, port sizes, filter rating, mounting arrangement, electrical demand, and emissions status as applicable.

Key Features

• Durable finish for long-term corrosion resistance.

Fitment

Specifications

What’s Included

One new aFe fuel air separator in the exact configuration and quantity identified by this listing. Hardware, clamps, couplers, gaskets, sensors, wiring, fluids, calibration, and accessories are included only when expressly stated.

About aFe Power

aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.

Important Disclosures

• California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.

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Frequently Asked Questions

How do I size the DFS780 MAX Universal Fuel Pump for my fuel system (aFe 42-30001)?
Match required flow at operating pressure, fuel type, filtration, line and port sizes, electrical demand, and the complete engine power strategy.

Is this component compatible with E85 or diesel?
Fuel compatibility is specific to the exact part and every wetted seal or material. Do not infer compatibility from another product in the series.

Where should this component be installed?
Follow aFe’s exact flow direction, mounting, filtration, venting, electrical, and clearance instructions for the complete fuel system.

What should be tested before driving?
Prime and leak-test the system, verify stable pressure and electrical supply, and inspect every joint and mounting point before operation.

Installation Instructions

1. Confirm aFe part number 42-30001, the complete vehicle or specification-based application, and all required supporting components.
2. Relieve pressure, disconnect power, work in a ventilated area, and eliminate ignition sources before opening the fuel system.
3. Install the specified lines, ports, seals, filters, wiring, and mounting orientation using fuel-compatible components and correct torque.
4. Prime and pressure-test the complete system, correct every leak or electrical fault, and verify stable pressure under load.