Dorman HD Diesel Fuel Filter Housing for Chevy / GMC 2001-2004 – Direct-Replace, Includes Hardware

The Dorman 904-558 HD Diesel Fuel Filter Housing is a ready-to-install, direct-replacement housing that stops leaks from a damaged coupling and restores proper fuel delivery on compatible Chevy and GMC heavy-duty trucks.

If your 2001–2004 Chevrolet Silverado 2500/3500 or GMC Sierra 2500/3500 has been showing fuel leaks around the filter housing, rough starting, or intermittent no-start issues, a failed filter housing coupling is a common cause. This Dorman housing is manufactured to meet original-equipment specifications, includes the necessary hardware for installation, and has been fitment-tested for a trouble-free replacement. Always verify fit with your vehicle trim in the garage tool before purchasing.

How does this replacement housing stop diesel fuel leaks?

The Dorman 904-558 restores the original sealing and coupling function that can deteriorate over time, eliminating the leak path at the filter housing. It uses OE-spec materials and sealing surfaces to re-establish a reliable connection between the fuel lines and filter assembly.

• Direct-replacement design matches original housing geometry for proper sealing
• Includes installation hardware to ensure correct torque and alignment
• Durable materials resist fuel swelling and cracking common in old housings

Will installing this housing fix rough starts and no-start conditions?

Replacing a leaking or cracked filter housing can resolve fuel pressure and delivery problems that lead to rough starts or no-starts. While this part addresses housing-related fuel loss, diagnose other fuel-system components if symptoms persist after installation.

• Restores sealed fuel path to maintain proper injection pressure
• Reduces air ingestion that causes hard starting and stalling
• Recommended to inspect filter element and fuel lines at the same time

What vehicles and model years does the Dorman 904-558 fit?

This housing is designed for select heavy-duty Chevrolet and GMC pickups from the early 2000s. Confirm exact compatibility by entering your make, model, and trim in the vehicle fitment (garage) tool before purchase.

• Chevrolet Silverado 2500: 2001, 2002, 2003, 2004
• Chevrolet Silverado 3500: 2001, 2002, 2003, 2004
• GMC Sierra 2500: 2001, 2002, 2003, 2004
• GMC Sierra 3500: 2001, 2002, 2003, 2004

What should I expect during installation and maintenance?

The unit ships with the hardware needed for a straightforward swap, so most installers can complete the repair without sourcing extra parts. Follow torque specs and replace the fuel filter element while the system is open to ensure a clean reinstall.

• Ready-to-install with included mounting hardware for a single-service repair
• Fitment-tested to minimize adjustment or rework during installation
• Inspect and replace the fuel filter and check hoses for wear at the same time

Who is this for: The Dorman 904-558 HD Diesel Fuel Filter Housing is aimed at owners and technicians of 2001–2004 Chevy Silverado and GMC Sierra 2500/3500 trucks who need a dependable, OEM-style replacement to stop fuel leaks, restore fuel delivery, and avoid further fuel-system damage. It’s suitable for DIY mechanics and professional shops seeking a quality, fitment-tested housing that includes installation hardware for a complete repair. Remember to confirm your vehicle trim using the garage tool to ensure proper fitment before ordering.