Dorman 904-239 Fuel Injection Pressure Regulator - At Fuel Filter Housing

Reliable Fuel Injection Pressure Regulator for Ford Trucks

The Dorman 904-239 Fuel Injection Pressure Regulator is designed to maintain consistent fuel pressure in Ford E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty models. Crafted from durable aluminum, this standard replacement part ensures proper fuel delivery for optimal engine performance.

• Constructed from high-quality aluminum for durability
• Compatible with return-style fuel injection systems
• Threaded female inlet port (0.57" diameter) and slotted bolt-on outlet port (0.6" diameter)
• Includes installation hardware and essential components: cover, seal, two o-rings, spring guide, and pressure regulator
• Designed for stock pressure range with a maximum pressure reading of 50 psi
• Standard replacement grade for reliable performance

Product Details and Specifications

The Dorman 904-239 fuel injection pressure regulator features a single inlet and outlet port, engineered for return-style fuel systems commonly found in Ford heavy-duty trucks. The inlet port uses female threaded attachment for secure connection, while the outlet port bolts on with a slotted design for ease of installation. This regulator is non-adjustable and does not include a gauge or boost/vacuum reference port, maintaining factory stock pressure settings. The package contains all necessary components for installation, including a cover, seal, two o-rings, a spring guide, and the pressure regulator itself.

Compatible Ford Models and Applications

This fuel injection pressure regulator is compatible with the following Ford models:

• Ford E-350 Club Wagon
• Ford E-350 Super Duty
• Ford Excursion
• Ford F-250 Super Duty
• Ford F-350 Super Duty

It is specifically designed to meet the fuel system requirements of these vehicles, ensuring proper fuel pressure regulation and engine efficiency.

Common Issues Addressed by This Regulator

• Inconsistent or fluctuating fuel pressure causing engine performance problems
• Fuel leaks due to worn or damaged pressure regulator components
• Poor fuel economy resulting from improper fuel pressure regulation
• Engine stalling or hesitation under load
• Check engine light triggered by fuel system faults

Installation Notes and Tips

Installation of the Dorman 904-239 fuel injection pressure regulator requires basic mechanical skills and tools. The included installation hardware simplifies the process. Ensure the fuel system is depressurized before removal of the old regulator. Verify all seals and o-rings are properly seated to prevent leaks. The threaded female inlet and bolt-on outlet connections should be tightened to manufacturer specifications. This part is a direct replacement and does not require fuel pressure adjustment.

Quality Assurance and Warranty

Dorman provides this fuel injection pressure regulator as a standard replacement part, manufactured to meet OEM specifications. The aluminum construction offers corrosion resistance and durability under typical operating conditions. Installation hardware is included to facilitate proper fitment. While specific warranty details may vary, Dorman parts generally come with a limited warranty against defects in material and workmanship.