Dorman 904-209 Fuel Filter Cap

Fuel Filter Cap for Ford Super Duty Applications

This Dorman fuel filter cap is built to match the fit and function of the original cap on specified vehicles. Made from black plastic with an included O-ring seal, it is engineered for durable, reliable performance in engine-mounted fuel filter service.

Key Features

• Direct replacement fuel filter cap for specified Ford diesel applications
• Black plastic construction for OE-style fit and function
• Includes gasket/seal for proper sealing at the filter housing
• Outside diameter: 3 in; cap height: 1.5 in
• Package contents: cap and O-ring
• Dorman part number 904-209

Detailed Description

Dorman 904-209 is a fuel filter cap designed for engine-mounted fuel filter assemblies on select Ford Super Duty trucks and vans. It is a practical replacement for worn, cracked, or leaking caps that can affect fuel system sealing. This part cross-references OE numbers 3C3Z9G270AA and 1843057C92 for the same application. It also cross-references SKP SK904209.

Compatible With 2003-2007 Ford F-250 Super Duty, engine mounted; 2003-2007 Ford F-350 Super Duty, engine mounted; 2003-2005 Ford Excursion, engine mounted; 2004-2005 Ford E-350 Club Wagon, engine mounted; and 2004-2010 Ford E-350 Super Duty, engine mounted. The Dorman 904-209 fuel filter cap is a direct-fit service part for these Ford diesel fuel filter housings.

Common Problems This Part Can Address

• Fuel seepage at a damaged or hardened filter cap seal
• Cracks or wear in the original plastic cap
• Improper sealing at the fuel filter housing
• Service issues caused by a missing or deteriorated O-ring
• Restoring the original cap fit on engine-mounted fuel filter assemblies

Installation Notes and Tips

• Verify the fuel filter housing style before ordering.
• Inspect the sealing surface and replace any damaged housing components as needed.
• Confirm the cap and O-ring seat evenly during installation to maintain a proper seal.
• Use the vehicle fitment details for 2003-2010 Ford E-350 Super Duty, 2003-2007 Ford F-250 Super Duty, 2003-2007 Ford F-350 Super Duty, 2004-2005 Ford E-350 Club Wagon, and 2003-2005 Ford Excursion.

Quality Assurance

Dorman designs this fuel filter cap to match original equipment fit and function, with materials selected for dependable service in the fuel system. Part number 904-209 is built for specified Ford applications and supplied with the sealing O-ring needed for proper cap sealing.