K&N Diesel Fuel Filter: High-quality fuel filter for better engine protection, For 2017-2020 Ford F Series Trucks with 6.7L Powerstroke Diesel engines, model PF-4900K&N Performance Fuel Filters keep your engine safe from dirt and impurities in the fuel. This prevents damage and buildup on important parts like intake valves, fuel injectors, and carburetor jets. K&N Performance Fuel Filters are made with the same high standards as our popular High Flow Air Filters. They provide a steady, clean flow of fuel to your engine and are suitable for cars, trucks, bikes, off road vehicles, and boats. Easy to install, K&N