aFe Fuel System

Fits 1998.5–2002 Dodge Diesel Trucks with 5.9L 6-Cylinder Engine

Part #: 42-22011

Overview

The aFe DFS780 Pro Fuel Pump is a high-performance, full-time operation fuel delivery solution designed specifically for Dodge diesel trucks equipped with the 5.9L 6-cylinder engine from 1998.5 to 2002. Crafted from billet 6061-T6 aluminum, this fuel pump manifold offers superior durability and resistance to porosity issues common with cast aluminum components. Its precision CNC-machined passages optimize flow, helping to reduce pressure drops and ensure consistent fuel delivery under demanding conditions. The system is engineered for truck owners seeking reliable, high-capacity fueling that supports enhanced performance and longevity of their diesel engine. Whether you're upgrading for increased power, improved fuel efficiency, or enhanced reliability, this fuel pump assembly provides a robust solution tailored to the needs of serious diesel enthusiasts and professional mechanics alike. Its marine-grade motor is protected against dust intrusion and powerful water jets, making it suitable for tough environments. The inclusion of helical bronze spur gears ensures forgiving operation even in contaminated conditions, contributing to the system's long-term durability and smooth operation.

Key Features

Designed with quality materials and precision engineering, the aFe DFS780 offers several key benefits:

• Constructed from billet 6061-T6 aluminum for strength and corrosion resistance
• Contoured CNC-machined manifold passages for optimized fuel flow
• Heavy-duty universal carbon steel mounting bracket with supplied hardware for secure installation
• Marine-grade motor protected against dust and water intrusion for reliable operation
• Helical bronze spur gears that tolerate contaminants better than steel gears
• Full-time operation capability for continuous fuel supply
• Designed to support high-demand diesel applications and performance upgrades

Construction & Design

This fuel pump features a billet aluminum manifold that eliminates porosity concerns associated with cast components, ensuring consistent quality and performance. The CNC-machined passages are precisely contoured to maximize flow efficiency, reducing pressure drops and supporting stable fuel pressure. The heavy-duty steel mounting bracket provides a secure fit, while the marine-grade motor is built to withstand harsh conditions, including dust and water exposure. The helical bronze spur gears are designed for durability and forgiving operation in contaminated environments, contributing to the pump’s longevity and reliability.

Performance & Response

The DFS780 is engineered to deliver a steady, high-volume fuel supply suitable for high-performance diesel applications. Its full-time operation ensures your vehicle maintains optimal fuel pressure during demanding driving conditions, supporting power output and engine responsiveness. The robust construction and high-quality materials help maintain consistent performance over time, reducing the risk of failure and ensuring your diesel truck performs reliably under load.

Installation & Fitment

This fuel pump is designed for straightforward installation on compatible Dodge diesel trucks from 1998.5 to 2002. It mounts easily using the supplied hardware and universal bracket, making it suitable for both professional installations and DIY enthusiasts with basic mechanical skills.

What’s Included

The package includes the billet aluminum manifold, marine-grade motor, bronze spur gears, heavy-duty mounting bracket, and all necessary hardware for installation.

Ideal For

Perfect for diesel truck owners looking to upgrade their fuel delivery system for improved reliability, increased fuel capacity, and enhanced performance in demanding conditions.