12664429 Duramax 6.6L Diesel Fuel Filter Housing Fit 2011-16 Chevy Silverado GMC

12664429 Duramax 6.6L Diesel Fuel Filter Housing for Chevrolet Silverado & GMC

This Duramax 6.6L diesel fuel filter housing is a direct replacement for OEM part number 12664429, providing a complete filter housing assembly for 2011-2016 Chevrolet Silverado and GMC Sierra trucks equipped with the 6.6L Duramax diesel engine.

Overview

The 12664429 fuel filter housing is designed to hold and seal the primary fuel filter on Duramax 6.6L diesel engines, ensuring clean fuel reaches the high-pressure injection system. It replaces a cracked or leaking original housing and restores proper filtration and water separation. Suitable for owners of 2011-2016 Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD models, this fuel filter housing is a critical service component for maintaining engine performance.

Built For Performance

• Exact OEM-spec replacement for part number 12664429 ensures precise fit and seal
• Integrated water-in-fuel sensor port allows early detection of contamination
• Heavy-duty nylon construction resists diesel fuel, heat, and vibration
• Pre-threaded inlet and outlet ports eliminate cross-threading during filter changes
• Includes priming pump interface for easy air bleeding after service
• Retains factory fuel heater provision for cold-weather operation

Fits These Machines

• for Chevrolet Silverado 2500HD/3500HD (2011-2016) with 6.6L Duramax
• for GMC Sierra 2500HD/3500HD (2011-2016) with 6.6L Duramax

On-The-Job Use

• Commonly replaced during routine fuel system maintenance on Duramax-powered trucks
• Used when factory housing develops cracks or leaks from age or overtightening
• Ideal for fleet service centers, diesel repair shops, and owner-operators performing their own service
• Installed in vehicles operating in dusty or high-vibration environments where filter sealing is critical

Specs At A Glance

Good To Know

Q: Does this 12664429 fuel filter housing include the fuel filter element? A: No, the housing is sold without the filter; you must reuse your existing filter or purchase a new Duramax-compatible fuel filter separately.

Q: Will this housing fit a 2015 GMC Sierra 3500HD with the Duramax engine? A: Yes, it is a direct fit for all 2011-2016 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models with the 6.6L Duramax, including the 2015 Sierra 3500HD.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.