Dorman Diesel Fuel Filter Housing for Chevy/GMC 2500/3500 HD 2004–2010 — Direct Replacement

The Dorman 904-517 diesel fuel filter housing is a direct-replacement assembly designed to stop leaks and restore proper fuel delivery for compatible Chevrolet and GMC 2500/3500 HD trucks.

If your heavy-duty Chevy or GMC is experiencing fuel leaks, rough starts, or no-start conditions traced to a damaged filter coupling, this ready-to-install housing replaces the worn original and includes the necessary hardware. Built to meet original-equipment specifications and fitment-tested for a trouble-free installation, the Dorman 904-517 is intended to restore a sealed fuel system and reliable engine starting on several 2004–2010 Silverado and Sierra HD models. Always confirm vehicle fitment with your make, model, and trim in the garage tool before ordering.

How does this fuel filter housing fix leaks and starting problems?

The housing replaces the damaged coupling area where leaks commonly form, sealing the fuel line connection and preventing air intrusion. By restoring a proper seal and correct fuel routing, it reduces fuel loss and eliminates erratic starting caused by air getting into the fuel system.

• Direct-replacement design matches original housing dimensions and connections
• Includes installation hardware to ensure secure sealing
• Quality materials resist cracking and wear that cause leaks
• Fitment-tested to minimize installation issues

What vehicles and model years is the Dorman 904-517 compatible with?

This part supports a range of Chevrolet Silverado and GMC Sierra heavy-duty trucks across mid-2000s model years. It covers both 2500 and 3500 series trucks, including classic and HD variants—verify exact trim and model year with the garage fitment tool before purchase.

• Chevrolet Silverado 2500 HD/2500 HD Classic (2004–2010, 2007 Classic)
• Chevrolet Silverado 3500/3500 HD (2004–2010, 2007 Classic)
• GMC Sierra 2500 HD/2500 HD Classic (2004–2010, 2007 Classic)
• GMC Sierra 3500/3500 HD (2004–2010, 2007 Classic)

What comes in the box and what tools or skills are needed for installation?

The 904-517 ships as a complete filter housing assembly with the mounting and sealing hardware required for the repair. Basic automotive tools and moderate mechanical skill are usually sufficient; however, follow safety procedures for fuel-system work and relieve system pressure before beginning.

• Included: fuel filter housing assembly and required installation hardware
• Recommended tools: standard hand tools, torque wrench, catch container for any residual fuel
• Skill level: moderate—suitable for experienced DIYers or professional technicians
• Safety: work in a ventilated area and follow fuel-handling precautions

How durable and reliable is this replacement compared to the original part?

Dorman manufactures this housing using materials and production methods aligned with original equipment standards to deliver durable performance. The part undergoes fitment testing to ensure it installs correctly and functions as intended, helping prevent repeat visits for the same issue.

• Made to original equipment specifications for long-term durability
• Fitment-tested to reduce installation problems
• Replaces worn or damaged couplings that commonly cause leaks
• Backed by Dorman's engineering and quality control processes

Who is this for: The Dorman 904-517 diesel fuel filter housing is aimed at owners and technicians of 2004–2010 Chevrolet Silverado and GMC Sierra 2500/3500 heavy-duty trucks who need a practical, tested solution for fuel filter housing leaks, rough-starts, or no-start conditions caused by a damaged filter coupling. If you want a direct-replacement part that includes hardware and is designed to meet OE fit and durability standards, this housing is a suitable repair option—just verify fitment for your exact trim and model year before purchasing.

Features:

• Direct replacement - this fuel filter housing matches the fit and function of the original filter housing
• Ready to install - this fuel filter housing includes necessary hardware to complete the repair
• Quality materials - made to original equipment specs for a durable repair
• Fitment tested - has undergone extensive testing to ensure trouble-free fit and installation
• Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool