Dorman 904-535 Fuel Filter Housing Seal Kit

Brand Dorman 904-535
O Ring Inside Diameter 10.8 mm; 12.33 mm; 13.5 mm; 2.87 mm; 65.4 mm; 7.5 mm; 13.6 mm; 9.26 mm; 9.13 mm; 7.6 mm; 7.2 mm
O-Ring Material Fkm
O-Ring Width 1.75 mm; 2.62 mm; 2.3 mm; 1.75 mm; 2.2 mm; 3 mm; 1.6 mm; 2.2 mm; 1.8 mm; 2.5 mm
Package Contents 11 O-Rings
Fits Ford · 13 vehicles

OE-style seal kit. Matches the original hardware needed to reseal and repair fuel lines.

Fkm O-rings. Built with a durable material for reliable sealing performance.

Fuel filter housing seal kit for sealing and repair work.

Cross-references 3C3Z9C165AA for the same application. See all 1.

$56.82Free shipping
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Fuel Filter Housing Seal Kit for Ford Super Duty

Dorman 904-535 is a fuel filter housing seal kit built to reseal and repair fuel lines on select Ford diesel applications. It uses FKM O-rings for sealing performance and durability, making it a direct-fit service part for maintenance on 2003-2007 Ford F-250 Super Duty, 2003-2007 Ford F-350 Super Duty, and 2003-2005 Ford Excursion.

Key Features

  • Fuel filter housing seal kit for resealing fuel line connections
  • FKM O-ring material for resistance to fuel-system exposure
  • Engineered to match original hardware requirements for the application
  • Designed for select Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Excursion models
  • Dorman 904-535 service part for fuel filter housing repair work

Detailed Description

This Dorman 904-535 fuel filter housing seal kit is made for restoring sealing integrity at the fuel filter housing and related fuel line connections. The kit uses multiple O-ring sizes to match the original sealing points found on the specified Ford applications, helping maintain proper fuel-system sealing during service. For technicians and owners working on a Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford Excursion, this part provides the correct sealing components for reseal work without changing the original housing design.

This part cross-references 3C3Z9C165AA for the same application.

What It Helps Fix

  • Fuel seepage at the filter housing seal surfaces
  • Leaks at fuel line connection points during filter housing service
  • Hard-start or drivability concerns caused by air intrusion at sealing points
  • Maintenance issues after fuel filter housing disassembly
  • Seal wear from age, heat, and fuel exposure

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the housing for damage, scoring, or distortion. Match each O-ring to the correct groove and size during reassembly, and lubricate seals with clean fuel or an approved lubricant before tightening components. Verify fitment for your exact Ford F-250 Super Duty, Ford F-350 Super Duty, or Excursion configuration before service.

Quality Assurance

Dorman manufactures this seal kit to match the original hardware requirements for the listed vehicles and to provide reliable performance in fuel-system service. The FKM O-ring construction supports durability in demanding diesel fuel applications.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007FordF-250 Super Duty6.0LV8N/A
2007FordF-350 Super Duty6.0LV8N/A
2006FordF-250 Super Duty6.0LV8N/A
2006FordF-350 Super Duty6.0LV8N/A
2005FordExcursion6.0LV8N/A
2005FordF-250 Super Duty6.0LV8N/A
2005FordF-350 Super Duty6.0LV8N/A
2004FordExcursion6.0LV8N/A
2004FordF-250 Super Duty6.0LV8N/A
2004FordF-350 Super Duty6.0LV8N/A
2003FordExcursionN/A
2003FordF-250 Super DutyN/A
2003FordF-350 Super DutyN/A
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
3C3Z9C165AA