6.6L Duramax LB7 Fuel Filter Housing Head For 2001-04 Chevy Silverado GMC Sierra
6.6L Duramax LB7 Fuel Filter Housing Head For 2001-04 Chevy Silverado GMC Sierra
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Fuel Filter Housing Head for Chevy Silverado and GMC Sierra 6.6L Duramax LB7
This fuel filter housing head replaces the original component on 2001-2004 Chevy Silverado and GMC Sierra trucks with the 6.6L Duramax LB7 diesel, securing the fuel filter to maintain clean fuel flow to the injection system.
Overview
The fuel filter housing head for the 6.6L Duramax LB7 is a direct-fit replacement that locks the fuel filter in place and routes diesel through the filter media. Designed for 2001-2004 Chevy Silverado 2500HD/3500 and GMC Sierra 2500HD/3500 trucks, this fuel filter housing head restores proper filtration and prevents air intrusion and fuel pressure drop. Owners and shops performing routine diesel maintenance rely on this fuel filter housing head to keep LB7 engines running reliably.
Built For Performance
- Precision-machined mounting surface for a leak-free seal
- High-grade aluminum or composite construction resists corrosion from diesel fuel
- Integrated water-in-fuel sensor port retains factory functionality
- O-ring groove machined to factory depth for consistent compression
- Reinforced filter threading prevents stripping during filter changes
- Direct bolt-on design—no modifications needed
Fits These Machines
- for Chevy Silverado 2500HD & 3500 (2001-2004) with 6.6L LB7
- for GMC Sierra 2500HD & 3500 (2001-2004) with 6.6L LB7
On-The-Job Use
- Filter housing head replacement during scheduled fuel filter service
- Repair of a cracked or leaking housing on high-mileage work trucks
- Preventative upgrade when original housing threads show wear
- Heavy-duty towing and hauling applications that demand steady fuel pressure
- Fleet maintenance on diesel pickups in construction and agriculture
Specs At A Glance
| Engine | 6.6L Duramax LB7 |
| Model Years | 2001-2004 |
Good To Know
Q: Will this housing head work with aftermarket fuel filters? A: Yes, it accepts standard LB7-style fuel filters as long as the thread and gasket match the OEM specification.
Q: Does it include a new water-in-fuel sensor? A: The housing head itself does not include the sensor; you reuse the original sensor and O-ring when swapping the part.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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