F81Z9G270BA Fuel Filter Cap Fit for Ford F250/F350/F450/F550 Super Duty 1999-2003 E350 E450 E550 Super Duty 2003 Excursion 2000-2003 V8 7.3L Diesel Engine, Replace 1831193C91

Efficient Sealing Design: Fuel Filter Cap uses precision-machined threads and sealing surfaces to ensure long-term stable operation of the fuel system, effectively prevent fuel leakage, volatilization and external impurities from entering, ensure engine fuel supply cleanliness, and reduce failure rate

High-Quality Aluminum Alloy Material: Fuel Filter Cap is made of 6061-T6 aluminum billet, which is more durable than the original plastic cap, has excellent corrosion resistance and high temperature resistance, adapts to various harsh working conditions, and greatly extends service life

Precise Compatibility: Fuel Filter Cap Fit for Ford F250/F350/F450/F550 Super Duty 1999-2003 E350 E450 E550 Super Duty 2003 Excursion 2000-2003 V8 7.3L Diesel Engine, perfect replacement for F81Z9G270BA, 1831193C91, RK31449, 904-203, installation fit without error

Improving Fuel System Performance: The Fuel Filter Cap stabilizes fuel pressure and flow, improves acceleration response and smoothness, avoids power loss and injector clogging caused by aging of the filter cap, and fully protects engine performance

Easy Installation: Fuel Filter The cap is equipped with a 1-inch hexagonal top design, which supports manual tightening or quick disassembly and assembly with a wrench. It can be replaced without professional tools, saving maintenance time and improving operational convenience