Doc's Diesel Fuel Filter for 5.0L Cummins Nissan Titan XD 2016-2019 — 3µm Tested, Water-Separating

Doc's Diesel Fuel Filter is a high-efficiency replacement designed to protect 2016–2019 Nissan Titan XD 5.0L Cummins engines by removing water and sub-3-micron contaminants.

This fuel filter is engineered for drivers who need verified filtration performance and direct fitment for the 5.0L Cummins in Nissan Titan XD models from 2016 through 2019. Independently tested to demonstrate strong contaminant capture, the unit replaces multiple OE and aftermarket part numbers and helps safeguard injectors and pumps from abrasive particles and separated water.

How does this filter improve fuel cleanliness for my Cummins?

The filter traps dirt, rust, and debris while separating free water from diesel so only clean fuel reaches critical components. Independent lab testing confirms its ability to remove particles down to 3 microns at a high efficiency, offering measurable protection rather than an unverified claim.

• Third-party tested to 96.92% efficiency down to 3 microns.
• Designed to separate and hold free water away from fuel flow.
• Reduces abrasive wear on pumps and injectors by removing solids.

Will this filter fit my 2016–2019 Nissan Titan XD 5.0L Cummins?

The filter is built specifically for the 5.0L Cummins used in Nissan Titan XD model years 2016–2019. Always check the fitment card on this product page and compare OE or aftermarket part numbers to confirm compatibility before purchasing.

• Direct fit for specified 2016–2019 Titan XD 5.0L Cummins vehicles.
• Interchanges with OE numbers 16403-EZ40A and 16403-EZ41A.
• Also cross-references to Wix WF10441/WF10442 and Baldwin PF46140.

How often should I change this fuel filter on my truck?

Service intervals depend on driving conditions and manufacturer guidance, but typical replacement ranges keep fuel systems protected without over-servicing. For most users a regular schedule helps avoid fuel-related component failures and maintains engine performance.

• Follow the vehicle manufacturer’s warranty and service recommendations first.
• Common interval: every 5,000–10,000 miles for routine protection.
• Do not exceed 15,000 miles between changes to avoid increased risk.

Which original and aftermarket parts does this Doc's Diesel filter replace?

This filter is specified to interchange with several OE and aftermarket references so you can confirm compatibility with parts already in use. Double-check your current filter’s number to ensure an exact match before installing.

• OE references: 16403-EZ40A, 16403-EZ41A.
• Aftermarket cross-references: Wix WF10441, WF10442; Baldwin PF46140.
• Premium Guard equivalents: DF99199 / DF99200—verify prior to ordering.

Who is this for: This Doc's Diesel fuel filter is aimed at Nissan Titan XD owners with the 5.0L Cummins who want a verified, high-efficiency replacement that fits directly and reduces the risk of fuel-system damage. It’s appropriate for daily drivers, fleet vehicles, towing rigs, and enthusiasts who prioritize reliable filtration backed by third-party testing and clear interchange information.