Dorman 904-204 Fuel Filter Cap

Dorman 904-204 Fuel Filter Cap

The Dorman 904-204 fuel filter cap is a direct-fit replacement for the original cap used on select Ford Super Duty and Excursion applications. Built from black plastic with an included O-ring seal, it is made to match the original fit and function for dependable fuel system service.

Key Features

• Direct replacement fuel filter cap for specified Ford diesel applications
• Black plastic construction for OE-style fit and appearance
• Includes gasket/seal for proper sealing at the filter housing
• 4-inch outside diameter and 3-inch cap height
• Package contents: cap and O-ring
• Part number: 904-204

Detailed Description

Designed for vehicles that use a frame-mounted fuel filter housing, this Dorman fuel filter cap helps restore the sealing and retention function of the original component. It is a practical replacement for worn, cracked, or missing caps on applications such as the Ford F-250 Super Duty, Ford F-350 Super Duty, Ford E-350 Super Duty, Ford E-350 Club Wagon, and Ford Excursion. The 904-204 fuel filter cap is engineered to match the original cap’s fit and function, making it a straightforward service part for fuel filter maintenance.

This part cross-references 3C3Z6766CA and 1837497C1 for the same application.

What It Helps Address

• Fuel filter cap damage from age, heat, or service wear
• Seal leakage at the fuel filter housing
• Loose or missing cap retention on frame-mounted filter assemblies
• Service issues caused by a cracked plastic cap
• Restoration of proper closure on the fuel filter housing

Installation Notes and Tips

Verify the fuel filter housing style before installation and confirm fitment for your specific Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford Excursion application. Inspect the sealing surface and replace the O-ring if it shows wear, flattening, or damage. Clean the housing before installing the cap to help the seal seat correctly.

Quality Assurance

Dorman designs this fuel filter cap as a replacement part that matches the original cap’s fit and function on specified vehicles. The included seal supports proper installation and reliable service in the fuel system.