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SKU:
ZZ3F10111
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12642623 12639277 Diesel Fuel Filter for Duramax 6.6L Chevy Silverado GMC Sierra
$121.09
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$121.09
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$121.09
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Diesel Fuel Filter for Duramax 6.6L Chevy Silverado GMC Sierra
This diesel fuel filter assembly, referencing OEM cross numbers 12642623 and 12639277, is a direct replacement for the filtration system on Duramax 6.6L engines in Chevy Silverado and GMC Sierra trucks, ensuring clean fuel delivery and engine protection.
Overview
This diesel fuel filter for Duramax 6.6L Chevy Silverado GMC Sierra removes contaminants and water from the fuel supply, protecting the high-pressure fuel system from damage. It is designed to meet or exceed the performance of the original filter, providing reliable filtration for diesel-powered pickups.
Built For Performance
- Two-stage filtration removes particulates and separates water from diesel fuel
- High-capacity filter media extends service intervals and maintains fuel flow
- Built-in water separator with drain valve simplifies routine maintenance
- Precision-molded housing ensures a leak-free seal with the fuel filter housing
- Compatible with fuel systems requiring OEM cross references 12642623 and 12639277
Fits These Machines
- for Chevy Silverado 2500HD with Duramax 6.6L
- for Chevy Silverado 3500HD with Duramax 6.6L
- for GMC Sierra 2500HD with Duramax 6.6L
- for GMC Sierra 3500HD with Duramax 6.6L
On-The-Job Use
- Regular fuel filter replacement during scheduled maintenance intervals
- Fleet service for heavy-duty diesel trucks operating in dusty or off-road conditions
- Preventive maintenance before long-haul towing or hauling trips
- Replacement after fuel system repairs or contaminated fuel events
Specs At A Glance
| Part Number(s) | 12642623, 12639277 |
| Filtration Type | Diesel fuel filter with water separator |
| Engine Compatibility | Duramax 6.6L diesel |
| Vehicle Application | Chevy Silverado, GMC Sierra |
Good To Know
Q: How often should this diesel fuel filter be replaced? A: The filter should be replaced according to the vehicle's maintenance schedule, typically every 10,000 to 15,000 miles, or sooner if fuel pressure drops or the water-in-fuel warning appears.
Q: Can this filter be used as a direct replacement without modifications? A: Yes, it is designed as a drop-in replacement for the stock filter housing, but always confirm compatibility with your specific model year and serial number before installing.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.