DOC'S DIESEL FUEL FILTERS - Doc's Fuel Filters remove contaminants like separate water from 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. INTERCHANGE - Replaces OE # 1603-EZ40A, 16403-EZ41A, Replaces Wix WF10441,WF10442, Replaces Baldwin PF46140, Replaces Premium Guard DF99199/DF99200 FITMENT - Compatible with 2016-2019 Nissan Titan XD 5.0L Cummins THIRD PARTY TESTED - 3 Micron @ 96.92% Efficiency Rating REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer warranty. Fuel Filters should be changed every 5,000 to 10,000 miles, or 15,000 maximum. Doc's Fuel Filters remove contaminants like separate water from 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. INTERCHANGE: Replaces OE # 1603-EZ40A, 16403-EZ41A, Replaces Wix WF10441,WF10442, Replaces Baldwin PF46140, Replaces Premium Guard DF99199/DF99200. FITMENT: Compatible with 2016-2019 Nissan Titan XD 5.0L Cummins