Doc's Diesel Fuel Filters:

Doc's premium fuel filters remove contaminants like dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed. All Doc's fuel filters are designed to meet or exceed OEM requirements!

Product Details:

• Designed with high efficiency media
• Premium 3-layer pleated cellulose glass media that offers unparalleled protection for your fuel system
• Large capacity filter pleats that allow exceptional flow rates
• Constructed with high strength carbon steel housing (when applicable)
• Comes ready to install with o-rings (when applicable)
• Doc's auto parts all have an OEM design, fit, and function that meets or exceeds OEM Requirements

Micron Efficiency Rating:

• 3 Micron @ 96.92% Efficiency Rating -

Fitment Interchange:

Vehicle Fitment:

• 2019-2025 Chevrolet/GMC 6.6L Duramax 4500, 5500, 6500 HD

Interchange:

• Doc's DTP1021: AC/Delco TP1021

Change Interval:

Above all recommendations, change according to your vehicle’s manufacturer warranty.

• Fuel Filter/Water Separators: Every 5,000-10,000 miles or 15,000 miles maximum