Doc's Auto Parts Diesel Filter Kit for 7.3L Ford Super Duty (1999–2003) — Matched Fuel & Oil Filters

Doc's Diesel Filter Kit supplies the matched fuel and oil filters engineered to fit 7.3L Ford F-250, F-350, F-450 and F-550 trucks from 1999–2003 for reliable contamination protection.

If you own a 7.3L Power Stroke Super Duty from 1999–2003, routine filtration service keeps injection components and the engine’s oiling system running clean. This kit bundles a high-efficiency fuel filter (DCS8629OE) and a matched oil filter (D4872), each independently tested for particle removal so you get a single-purchase solution that covers both fuel and oil during scheduled maintenance.

How does this kit protect my 7.3L Power Stroke on the road?

Both filters are designed to capture contaminants that damage fuel injectors and wear engine bearings. The fuel filter separates water and traps dirt and rust, while the oil filter captures finer particles to protect lubrication passages.

• Fuel filter efficiency: 96.92% down to 3 microns (independent test).
• Oil filter efficiency: 99% down to 25 microns (independent test).
• Water separation feature reduces injector corrosion risk.
• Matched components prevent cross-compatibility guesswork.

Will these parts fit my Ford F-250/F-350/F-450/F-550 from 1999–2003?

This kit is built specifically for Ford 7.3L Super Duty trucks in the stated model years. Use the fitment card on the product page to confirm your truck’s year and configuration before ordering to ensure exact fitment.

• Designed for 7.3L Power Stroke engines only.
• Covers F-250, F-350, F-450, F-550 1999–2003 models.
• Includes both fuel and oil filters matched to the application.

How often should I replace these filters to keep performance steady?

Replace according to your vehicle manufacturer’s recommendations and driving conditions. Typical guidance is to service the fuel filter every 5,000–10,000 miles and no longer than 15,000 miles; follow your truck’s maintenance schedule for oil filter changes.

• Fuel filter: change between 5,000–10,000 miles under normal use.
• Maximum recommended fuel interval: 15,000 miles.
• Oil filter: change with each oil service or per Ford’s interval.
• Severe duty or contaminated fuel may require more frequent changes.

What exactly comes in the Doc's Diesel Filter Kit?

The kit arrives complete with the specified fuel and oil filters so you can perform both services in one stop. Each part is selected and tested to match the 7.3L application for a coordinated replacement.

• DCS8629OE fuel filter—independently tested for micron-level efficiency.
• D4872 oil filter—high-efficiency media for lubricant protection.
• One order covers both fuel and oil filter replacement needs.
• All parts packaged for direct swap with OEM service locations.

Who is this for: This kit is intended for owners and technicians of 1999–2003 Ford Super Duty trucks with the 7.3L Power Stroke who prefer a matched, independently tested replacement set for routine fuel and oil service. It’s useful for fleets, DIY mechanics, and repair shops that want a reliable filter pairing to protect fuel-system components and the engine’s lubrication pathways during scheduled maintenance.