12639277 TP3018 Diesel Fuel Filter for 2005-2012 Duramax 6.6L Truck

Diesel Fuel Filter for Duramax 6.6L

This diesel fuel filter, reference TP3018 and OEM cross-reference 12639277, removes contaminants from the fuel system to protect the injection components on Duramax 6.6L trucks. It is a direct replacement for the original filter, ensuring clean fuel delivery for reliable engine operation.

Overview

This diesel fuel filter is a high-efficiency replacement element designed for 2005-2012 Duramax 6.6L truck engines. It traps water and particulate matter before they reach the fuel injectors, helping to maintain peak performance and prevent costly damage. This diesel fuel filter is a must-have for routine maintenance on equipped Duramax trucks.

Built For Performance

• Filtration media designed to meet or exceed OEM specifications for the Duramax 6.6L system
• Robust construction to withstand high-pressure fuel systems and vibration
• Includes integral water-separating capability to protect injectors from water contamination
• Precision-engineered sealing surfaces to prevent fuel leaks and bypass
• Directly replaces OEM part number 12639277 for verified fit

Fits These Machines

• for Chevrolet Silverado 2500 HD with Duramax 6.6L (2005-2012)
• for Chevrolet Silverado 3500 HD with Duramax 6.6L (2005-2012)
• for GMC Sierra 2500 HD with Duramax 6.6L (2005-2012)
• for GMC Sierra 3500 HD with Duramax 6.6L (2005-2012)

On-The-Job Use

• During scheduled fuel filter replacement intervals as specified by the vehicle maintenance schedule
• When diagnosing fuel pressure issues or hard starting that may be caused by a clogged filter
• After running a tank of suspected low-quality or contaminated diesel fuel
• When preparing a truck for heavy towing or demanding driving conditions

Specs At A Glance

Good To Know

Q: How often should this diesel fuel filter be replaced? A: Typically every 15,000 to 25,000 miles for a Duramax 6.6L, but always check your owner's manual. Using clean fuel and OEM-grade filters helps maximize injector life.

Q: Can I replace this filter myself? A: Yes, it is a common DIY task on these trucks. Ensure the engine is cool, relieve fuel pressure, and prime the system after installation to avoid air locks.

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