GDUKOP Fuel Filter Housing Assembly for Duramax 6.6L — Aluminum Head, Water Sensor | Silverado 2500HD / 3500HD & Sierra 2500HD (2004-2012)

Overview

The GDUKOP Fuel Filter Housing Assembly is crafted for the Duramax 6.6L diesel family, pairing an aluminum head with a dedicated water sensor for robust filtration. Designed as a direct OE replacement, it aims to deliver reliable fuel filtration and a durable seal within the Duramax fuel system across compatible GM pickups.

Key Features and Benefits

Engineered to protect the fuel path from common contaminants, this housing works with a multi-layer filter media rated at 5 microns and achieves a high level of water separation. The result is cleaner fuel entering the system, which can contribute to smoother operation and consistent performance in demanding driving scenarios without promising specific outcomes.

• Efficient filtration: 5-micron media with 98% water separation helps reduce dust, rust, and water in fuel.
• OE-referenced compatibility: part numbers 12642623, TP3018, 12639448, 904-517 ensure alignment with factory configurations.
• Durable construction: premium aluminum base, rugged water sensor, and thorough sealing tests meet or exceed OEM standards.
• Simple installation: a direct OE replacement designed for straightforward mounting on 6.6L Duramax trucks.
• Operational notes: the system supports reliable priming; if initial leakage occurs, reseal the O-ring with appropriate grease after disassembly.

Fitment & Installation Tips

• Fitment: 2004–2012 Chevy Silverado 2500 HD (including 2007 Classic), 2004–2012 Silverado 3500 (including 2007 Classic), 2007–2012 Silverado 3500 HD; 2004–2016 GMC Sierra 2500 HD families; 2004–2006 Sierra 3500; 2007 Sierra 3500 Classic; 2007–2012 Sierra 3500 HD, all with 6.6L engines.
• Note: The part can work on some 2001–2004 models with hose modification or lengthening; it is not intended for 2004 LLY engines.
• Installation tips: press the priming pump vertically during first use. If you see minor fuel leakage initially, this can be normal until the O-ring is lubricated; disassemble and apply grease to the O-ring as needed.

Quality & Durability

Built to be a reliable, long-lasting component, this housing uses quality materials and is subjected to multiple sealing tests and 100% inspection to meet/exceed OEM expectations. It’s designed to tolerate regular operating conditions and helps maintain a clean fuel path, though actual performance depends on system conditions and proper installation.