Dorman 904-458 Fuel Pressure Relief Valve Cap

Overview of the Dorman Fuel Pressure Relief Valve Cap

The Dorman 904-458 fuel pressure relief valve cap is designed for reliable performance in select Ford vehicles. Constructed from durable aluminum with a silver finish, this cap ensures a secure fit and long-lasting service in fuel pressure systems.

• Made from high-quality aluminum material for durability
• Silver color with precise dimensions for proper fitment
• Inside diameters of 0.38 and 0.5 inches for compatibility
• Outside diameter M14-1 thread with 1 inch size
• Includes one fuel pressure regulator kit with mounting hardware

Detailed Product Description

The Dorman 904-458 fuel pressure relief valve cap is engineered to meet the specifications required for fuel pressure systems in Ford E-350 Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, E-350 Super Duty, Excursion, F-250, F-250 Super Duty, F-350, and F-350 Super Duty models. Its aluminum construction provides resistance to corrosion and wear, while the silver finish offers a clean, professional appearance. The cap features two inside diameter measurements (0.38 and 0.5 inches) to accommodate specific fuel system requirements, and the M14-1 outside diameter thread ensures a secure and precise fit. This part comes as a complete fuel pressure regulator kit with mounting hardware, simplifying installation and replacement.

Common Applications and Issues Addressed

• Maintains proper fuel pressure relief in Ford E-350 and F-Series trucks
• Prevents fuel leaks caused by worn or damaged valve caps
• Ensures consistent fuel system performance under varying pressure conditions
• Replaces faulty or corroded fuel pressure relief valve caps
• Supports fuel system integrity in heavy-duty Ford vehicles

Installation Notes and Tips

• Verify compatibility with your specific Ford model before installation
• Use appropriate tools to avoid damaging the aluminum cap or threads
• Ensure the fuel system is depressurized prior to removal of the old valve cap
• Follow torque specifications to secure the cap without over-tightening
• Inspect mounting hardware included in the kit for proper fit and condition

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-458 fuel pressure relief valve cap undergoes rigorous quality control to ensure durability and reliable performance in Ford E-350 and F-Series Super Duty vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.