YR3Z9F593AA Fuel Injector Compatible with Ford F-150 4.2L 2002-2003 For Mustang 3.8L 1999-2001 For F-150 Heritage 4.2L 2004 Replace Part YR3E-A6A YR3Z-9F593-AA

Upgrade your Ford's fuel system with this high-performance fuel injector YR3Z9F593AA. Built to OEM standards, it fits F-150 4.2L (2002–2004), Mustang 3.8L (1999–2001), and F-150 Heritage 4.2L (2004). It ensures efficient fuel atomization, improved engine response, and reliability. Replaces part numbers YR3E-A6A and YR3Z-9F593-AA for a perfect match. ✔ OEM-Spec Replacement - Direct interchange for YR3Z-9F593-AA & YR3E-A6A ✔ 4-Hole Precision Nozzle - Improved fuel atomization for better combustion ✔ Enhanced Durability - Built to withstand ethanol-blended fuels ✔ Complete Compatibility - Designed specifically for Ford 4.2L & 3.8L V6 engines ✔ Performance Restored - Fixes rough idle, cold starts, and hesitation Vehicle Compatibility Fits: • Ford F-150 4.2L V6 (2002-2003) • Ford F-150 Heritage 4.2L V6 (2004) • Ford Mustang 3.8L V6 (1999-2001) (Verify engine size and year before purchase) Technical Specifications • OEM Numbers: YR3Z-9F593-AA, YR3E-A6A • Flow Rate: Matches factory specifications • Connector Type: EV1 Standard • Nozzle Design: 4-hole precision spray • Pressure Rating: 39-45 PSI What's Included • 1 x Fuel Injector (sold individually - order quantity needed) • New upper and lower O-rings • Installation instructions Performance Benefits ⚡ Solves Common Issues: Rough idle Cold start problems Hesitation during acceleration Poor fuel economy Why Choose This Injector? ✔ Direct Fit - No modifications required ✔ Flow-Matched - Ensures proper air/fuel ratio ✔ Improved Design - Better than worn factory injectors ✔ Easy Installation - Plug-and-play replacement Installation Notes Relieve fuel system pressure Clean injector ports thoroughly Lubricate new O-rings with engine oil Torque fuel rail bolts to specification Check for leaks after installation Warranty & Support • 2-Year Unlimited Mileage Warranty • 30-Day Money Back Guarantee • Ford-Specialist Technical Support Seller Tips: Visual Comparison - Include side-by-side images showing wear patterns Video Content - De