6.6 Duramax Fuel Filter Fits for 2001-2016 Chevy Silverado

This replacement fuel filter is built to match the fit and filtration needs of Duramax-equipped trucks, offering a durable alternative to dealer parts at a lower price. It replaces OEM numbers TP3018, TP3012, 12664429 and 12633243 and is designed for use in a range of 2500 and 3500 HD models and related platforms. The unit is manufactured from quality materials to meet or exceed original-equipment standards and includes a limited warranty for buyer confidence.

Which trucks does this KOROP filter work with?

The KOROP 6.6 Duramax fuel filter fits many GM heavy-duty diesel trucks from the early 2000s through 2016. Compatibility covers both Silverado and Sierra 2500/3500 HD variants, certain Classic models, GMC Savana 3500 vans and the 2006 Hummer H1 used with compatible Duramax installations.

• Chevy Silverado 2500 and 3500 HD models spanning 2001–2016 (including Classic variants)
• GMC Sierra 2500 and 3500 HD models across 2001–2016
• 2012–2016 GMC Savana 3500 and 2006 Hummer H1 with matching fuel systems
• Direct-replaces OEM part numbers TP3018, TP3012, 12664429, 12633243

How does this replacement filter protect my engine and fuel system?

The filter captures dirt, rust, and other particulates before they reach high-pressure fuel components, helping reduce wear on fuel pumps and injectors. By maintaining cleaner fuel flow, it supports consistent engine performance and can help prevent costly repairs associated with contaminated diesel fuel.

• Multi-layer media traps fine particulates and debris
• Sturdy housing resists fuel-related degradation
• OEM-compatible sealing surfaces to minimize leaks
• Tested to meet or exceed typical factory filtration standards

What should I expect when installing the KOROP fuel filter?

Installation follows the same steps as the original filter for these truck models and typically requires standard hand tools and basic mechanical familiarity. Expect a direct fit without modification when replacing the listed OEM numbers; always follow vehicle-specific service instructions and safety precautions when performing replacement.

• Direct-replacement design for easy swap with OEM units
• No special adapters required for listed fitments
• Recommend bleeding and priming procedures per vehicle manual after install
• Inspect seals and mounting hardware during replacement

Is this KOROP filter a reliable alternative to dealer parts?

KOROP positions this fuel filter as a cost-effective, quality-minded option to dealer-priced originals. Materials and manufacturing are controlled to meet performance expectations, and the product comes with a limited warranty to provide additional purchase assurance.

• Manufactured to meet or exceed OEM filtration standards
• Backed by a 6-month warranty for peace of mind
• Lower price point compared with many dealer parts
• Sold as a complete, ready-to-install unit

Who is this for: The KOROP 6.6 Duramax fuel filter is intended for owners and technicians working on 2001–2016 Chevy Silverado and GMC Sierra 2500/3500 HD trucks, GMC Savana 3500 vans, and compatible Hummer H1 applications who want a reliable, direct-fit replacement filter. It suits drivers who prefer aftermarket solutions that match OEM form and function, fleet managers seeking predictable maintenance parts, and DIY mechanics replacing worn or contaminated fuel filters on Duramax diesel engines.