Dorman 904-206 Fuel Injector O-Ring Kit

Fuel Injector O-Ring Kit for Ford Applications

Dorman 904-206 is a fuel injector O-ring kit built for full injector seal replacement on the specified engine. It uses Viton material to handle exposure to fuel, oil, and elevated temperatures, making it a practical choice for Ford E-350 Econoline Club Wagon, Ford Excursion, and Ford Super Duty fuel system service.

• Viton O-rings for resistance to fuel, oil, and heat
• Round-profile seals in multiple sizes for injector service
• Includes O-rings, snap-rings, and washers as listed in the package contents
• Direct service kit for specified Ford engine applications
• Dorman 904-206 for injector seal replacement and fuel system maintenance

Detailed Product Overview

This Dorman fuel injector O-ring kit is engineered to replace the sealing components required for a complete injector reseal on the specified engine. The Viton construction helps maintain seal integrity in demanding fuel system environments, while the assortment of diameters and thicknesses supports the injector and related sealing points used in the application. If you are servicing a Ford E-350 Econoline Club Wagon, Ford Excursion, or Ford F-250 Super Duty, Dorman 904-206 provides the correct sealing components for the listed engine coverage.

This part cross-references MAHLE GS33440 for the same application.

What This Kit Helps Address

• Fuel seepage around injector seals
• Hard starting caused by leaking injector O-rings
• Fuel odor from deteriorated injector seals
• Oil or fuel contamination at injector sealing points
• Maintenance needs during injector service on Ford E-350 Econoline Club Wagon, Ford Excursion, and Ford F-250 Super Duty

Installation Notes and Tips

Clean the injector and sealing surfaces thoroughly before installation. Inspect the injector bores and related hardware for wear or damage, and replace any compromised sealing surfaces before reassembly. Confirm the seal sizes and orientation match the application before installing Dorman 904-206, and lubricate the O-rings with clean engine oil or approved assembly lubricant during installation to reduce the chance of pinching or tearing.

Quality Assurance

Dorman manufactures service parts for OE-style repair applications, and this kit is made from durable materials selected to withstand fuel, oil, and high-temperature exposure in engine service.

Compatible Vehicles

• Fits 2003 Ford E-350 Club Wagon, N/A
• Fits 2000-2003 Ford Excursion, N/A
• Fits 1999-2003 Ford F-250 Super Duty, N/A
• Fits 1999-2003 Ford F-350 Super Duty, N/A
• Fits 1995-2002 Ford E-350 Econoline Club Wagon, N/A
• Fits 1995-1998 Ford E-350 Econoline, N/A
• Fits 1997 Ford F-250 HD, N/A
• Fits 1994-1997 Ford F-350, N/A
• Fits 1994-1996 Ford F-250, N/A