ATRACYPART 6.6L Duramax Fuel Filter Housing Assembly — Fits 2001–2016 Chevy/GMC, Includes Seals, Aluminum Durable

Designed for diesel-powered 6.6L Duramax engines, this assembly replaces worn or damaged OEM housings and includes the necessary rubber seals so you get a bolt-on, leak-resistant installation. It is built to meet factory fitment for many Silverado, Sierra, Express and Savana applications from 2001–2016 and is tested for corrosion resistance and long service life under heavy-duty use.

How does this housing assembly improve fuel system reliability?

Replacing a compromised housing stops unfiltered contaminants from entering injectors and fuel pumps, which helps reduce wear and maintain engine performance. The included seals restore proper pressure control and prevent fuel seepage around the housing interface.

• Complete housing unit—includes all necessary rubber O-rings and seals
• Aluminum construction resists corrosion and diesel exposure
• Designed to match OEM dimensions for correct fuel flow and pressure

Will this part fit my 2001–2016 Chevy or GMC 6.6L Duramax?

This ATRACYPART assembly fits a broad range of 6.6L Duramax vehicles including Silverado, Sierra, Express, and Savana models listed for 2001–2016. It is intended as a direct replacement for the referenced OEM numbers so fitment is straightforward if your vehicle uses those part references.

• Compatible with Chevy Silverado and GMC Sierra 2500HD and 3500HD (2001–2016)
• Fits 2001–2016 Chevrolet Express and 2012–2016 Express/Savana 2500–4500 models
• Replaces TP3018, TP3012, 12664429, 12633243, 33960XE, LFF6012

What materials and design features ensure durability?

The housing uses a heavy-duty metal body and chemical-resistant seals to withstand diesel fuel, pressure cycles, and road corrosion. Multi-layer internal filtration compatibility and precision sealing points reduce leak risk and extend service intervals when combined with scheduled filter element replacements.

• Durable aluminum/metal housing for long-term strength
• High-quality rubber O-rings provide leak-resistant performance
• Engineered to OEM tolerances for dependable sealing and pressure retention

How difficult is installation and what should I expect?

The housing is designed as a direct bolt-on replacement with no modifications required, though professional installation is recommended if you’re unfamiliar with fuel systems. Have new filter elements ready and verify torque specs during reassembly to ensure correct sealing.

• Direct replacement—no cutting or drilling required
• Includes seals, so you won’t need additional gasket purchases
• Recommended: replace fuel element at the same time and follow torque guidelines

Who is this for: This ATRACYPART fuel filter housing assembly is aimed at owners and technicians working on 6.6L Duramax-equipped Chevy and GMC trucks and vans from 2001–2016 who need a reliable, factory-fit replacement. It’s suited for fleets, heavy-duty users, and DIY mechanics who want a complete housing with seals that mirrors OEM fit and performance while offering corrosion-resistant construction and a 2-year warranty.