Dorman 904-065 Diesel Exhaust Fluid (DEF) Filler Neck

Overview of Dorman Diesel Exhaust Fluid Filler Neck

The Dorman 904-065 Diesel Exhaust Fluid (DEF) Filler Neck is designed specifically for Ford F-350 Super Duty trucks. Constructed from a combination of steel, rubber, and plastic materials, this DEF filler neck ensures durability and reliable performance in emission control systems.

• Compatible with Ford F-350 Super Duty models
• Durable construction using steel, rubber, and plastic materials
• Black color for a clean, factory appearance
• Measures 27 inches in length and 9 inches in width
• Bolt-on attachment method for secure installation

Detailed Product Description

The Dorman 904-065 DEF filler neck is engineered to meet the emission control requirements of Ford F-350 Super Duty trucks. Its multi-material construction includes steel for structural strength, rubber for flexibility and sealing, and plastic components for corrosion resistance. The 27-inch length and 9-inch width provide an optimal fit and routing for the DEF system. The black finish maintains a professional look consistent with OEM parts. Installation is straightforward with a bolt-on attachment method, ensuring a secure and stable connection to the DEF tank.

Common Applications and Problem Resolution

• Replacement for cracked or damaged DEF filler necks
• Prevents DEF fluid leaks and contamination
• Restores proper DEF system function to reduce emissions
• Addresses issues with DEF tank filling difficulties
• Helps maintain compliance with emission regulations

Installation Notes and Tips

When installing the Dorman 904-065 DEF filler neck on a Ford F-350 Super Duty, ensure the mounting bolts are securely tightened to prevent leaks. Inspect the rubber seals for proper placement to maintain a tight seal. It is recommended to check the DEF tank and surrounding components for any signs of wear or damage during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for quality and durability. The 904-065 DEF filler neck undergoes rigorous testing to ensure reliable performance in emission control systems. Please refer to Dorman's warranty policy for specific coverage details.