Dorman 904-231 Diesel Fuel Injector Rail Plug

Overview of Dorman Diesel Fuel Injector Rail Plug 904-231

The Dorman 904-231 diesel fuel injector rail plug is designed for reliable sealing and durability in diesel fuel systems. Engineered with metal construction and a manganese phosphate finish, this rail plug is compatible with select Ford diesel models, ensuring a secure fit and long-lasting performance.

• Constructed from durable metal material for strength and corrosion resistance
• Coated with manganese phosphate (fosfato de magnesio) for enhanced surface protection
• Male AN thread fittings on both ends for secure connections
• Outer diameter of 0.52 inches and inner diameter of 0.32 inches for precise fitment
• Tube length of 3.1 inches to match OEM specifications
• Package includes one diesel fuel injector rail plug

Detailed Product Description

The Dorman 904-231 diesel fuel injector rail plug is specifically designed to meet the requirements of diesel fuel delivery systems in Ford vehicles such as the E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty. Its metal construction provides the necessary durability to withstand high-pressure fuel environments, while the manganese phosphate coating offers resistance against corrosion and wear. Both fittings feature male AN threads, ensuring compatibility with standard diesel fuel injector rails. The precise dimensions, including a 0.52-inch outer diameter and 0.32-inch inner diameter, along with a 3.1-inch tube length, allow for a proper seal and fit within the fuel system.

Common Applications and Issues Addressed

• Sealing leaks in diesel fuel injector rails
• Replacing damaged or worn rail plugs in Ford Super Duty diesel engines
• Preventing fuel contamination by maintaining a secure fuel system seal
• Restoring proper fuel pressure by ensuring tight connections
• Supporting maintenance and repair of diesel fuel delivery components

Installation Notes and Tips

• Verify compatibility with your specific Ford model before installation
• Ensure all fuel system pressure is relieved prior to removal of old rail plug
• Use appropriate tools to avoid damaging the male AN threads during installation
• Inspect surrounding fuel rail components for wear or damage during replacement
• Tighten to manufacturer torque specifications to prevent leaks

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-231 diesel fuel injector rail plug undergoes rigorous quality control to ensure durability and reliable performance in diesel fuel systems. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.