Doc's Diesel Fuel Filter for Ford 6.0L Power Stroke (2003–2007) — Water‑Separation, 96.9% @ 3 Micron

Doc's Diesel Fuel Filter is a direct-fit replacement for Ford 6.0L Super Duty trucks (2003–2007) engineered to trap fine contaminants and separate water to protect your fuel system.

Designed specifically for the 6.0L Power Stroke lineup, this Doc's Diesel filter offers verified particle-capturing performance and straightforward compatibility with common OEM and aftermarket part numbers. Independent testing supports its efficiency at filtering down to very small particle sizes, and the filter is manufactured to match the fitment specs of multiple Ford chassis so it installs like the original.

How effective is this filter at stopping contaminants?

Independent laboratory testing rates this filter at a high efficiency level for small particles, so it does more than just catch large debris. It also separates entrained water from the fuel, reducing corrosion and wear on sensitive fuel-system parts.

• Third-party tested efficiency: 96.92% down to 3 microns.
• Removes rust, dirt and particulate matter that can damage injectors and pumps.
• Built-in water-separation helps protect metal components from corrosion.

Will this part fit my Ford truck and replace my current filter?

This Doc's Diesel item is produced to fit Ford 6.0L applications across several Super Duty models and years. It is designed to interchange with well-known part numbers, but always verify your vehicle year and specs before purchasing.

• Fitment: Ford 6.0L F-250, F-350, F-450, F-550 (2003–2007) and Excursion (2003–2005); F650/F750 (2004–2008).
• Interchange references: compatible with Motorcraft FD4616, Wix 33899, Purolator F55590.
• Use the fitment card on this page to confirm year/configuration before ordering.

How often should I change the filter and what maintenance practices help longevity?

Service interval recommendations depend on vehicle use and manufacturer guidance; shorter intervals are common under heavy duty or contaminated-fuel conditions. Regular inspection and replacing the fuel filter at recommended intervals keeps the fuel system functioning reliably.

• Suggested service: change between 5,000 and 10,000 miles in typical conditions; 15,000 miles maximum.
• Follow vehicle manufacturer warranty and service schedules for best results.
• Inspect for water accumulation and contaminants during regular maintenance.

What does this filter protect and how does it work with the fuel system?

The filter captures suspended particles and sheds separated water away from the fuel flow, protecting pumps, lines and injectors from abrasive or corrosive damage. By keeping contaminants out of the high-pressure components, it helps maintain fuel delivery consistency.

• Protects high-pressure fuel pump and injectors from wear and clogging.
• Improves engine responsiveness by maintaining clean fuel flow.
• Supports longer component life and reduces risk of fuel-system failures.

Who is this for? This Doc's Diesel replacement fuel filter is made for owners and technicians who maintain Ford 6.0L Power Stroke vehicles and need a reliable, tested aftermarket option. It’s suited to fleet managers, repair shops and DIY mechanics who want a direct-fit part with documented filtration performance and compatibility with common OEM numbers. Always verify fitment for your exact model and follow proper installation and service intervals for best results.