FUEL FILTER CAP 1999-2003 FORD 7.3L POWERSTROKE F-250-550 | IFJF DIRECT

iFJF part No.: FJ-CAP05-SI. Fuel Filter Cap 1999-2003 Ford 7.3L Powerstroke F-250-550 Excursion Precision Fuel Filter Cap OEM-Spec Fit Replace your worn or cracked fuel filter cap with this precision-engineered replacement for Ford 7.3L Powerstroke. Manufactured to exact OEM tolerances, this cap ensures a leak-proof seal that maintains proper fuel system pressure. Don't risk fuel leaks or air intrusion a properly sealed filter cap is critical for reliable engine starting and operation. Key Features Leak-Proof Seal Integrated O-ring groove ensures consistent sealing pressure across full temperature range OEM-Quality Construction Manufactured to ISO/TS 16949 quality standards with 100% end-of-line testing Direct Fit Precision-engineered to match OEM dimensions and mounting points no modifications required Corrosion Resistant Coated/plated components withstand diesel fuel, road salt, and moisture exposure Validated for Ford Confirmed fitment across all listed applications Compatibility Make Engine Year Range Model Ford 7.3L Powerstroke 1999-2003 F-250/350/450/550 Ford 7.3L Powerstroke 2000-2003 Excursion Always verify fitment using the cross-reference part numbers below or contact our support team. Cross-Reference Part Numbers Brand Part Number Ford F81Z-9G270-BA Motorcraft FD-4596 Dorman 904-203 Dorman RK31449 Alliant 1831193C91 WIX 33830 Specifications Specification Value Part Number Fuel Brand iFJF Product Type Fuel Filter Cap Application 7.3L Powerstroke Vehicle Make Ford Material Steel/Plastic Composite Country of Origin China (ISO Certified) Warranty 1 Year / Unlimited Mileage Installation Guide Professional installation is recommended. Always refer to your vehicle or engine service manual for specific torque specifications and priming procedures. Replace all O-rings and seals during filter service never reuse old seals. Maintenance Schedule Inspect during every filter service for signs of wear, cracking, or corrosion. Replace immediately if any damage is detected. Frequently Asked Questions Q: Is this an OEM or aftermarket fuel filter cap? This is a high-quality aftermarket replacement cap manufactured to exact OEM specifications for 7.3L Powerstroke. It provides the same fit, seal, and durability as the factory cap at a fraction of the dealer price. Q: Does the cap come with a new O-ring? Yes, this fuel filter cap includes a new Viton O-ring pre-installed for a leak-free seal. We recommend replacing the O-ring every time the filter is serviced. Q: What causes a fuel filter cap to fail? Fuel filter caps commonly fail due to over-torquing during installation (which cracks the plastic), UV/heat degradation of the plastic material, or O-ring deterioration causing air leaks. Q: How tight should I torque the fuel filter cap? Typically 25-35 Nm depending on your specific vehicle. Always refer to your service manual for the exact torque specification. Over-tightening is a leading cause of cap failure. Q: Will a bad fuel filter cap cause starting problems? Yes. A cracked or poorly sealed fuel filter cap can allow air into the fuel system, causing hard starts, rough running, and loss of prime especially after the vehicle sits overnight. Related Products Ford Parts & Filters All Diesel Fuel Filters | All iFJF Products Related Blog Posts Complete Guide: When to Replace Your Diesel Fuel Filter 5 Warning Signs Your Fuel Filter Is Clogged Ford Powerstroke Fuel System Maintenance