2003 Ford Mustang EFI Systems & Components
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Fast®XFI® Fuel Injector HarnessFord Mustang 4.6L 2003, XFI® Fuel Injector Harness by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts. Manufactured using the highest grade materials and the latest technology, they...High quality at an affordable priceExpertly made from premium materials$142.95 - Aeromotive®Eliminator EFI Fuel SystemFord Mustang 2003, Eliminator EFI Fuel System by Aeromotive®. Aeromotive Fuel Systems DELIVER! These systems deliver more than just the fuel your engine needs, but also the ease of installation any do-it-yourselfer can appreciate....High quality at an affordable priceExpertly made from premium materials$3,089.95
- Aeromotive®Fuel SystemFord Mustang 2003, Fuel System by Aeromotive®. In a word; Aeromotive Fuel Systems DELIVER! These systems deliver more than just the fuel your engine needs, but also the ease of installation any do-it-yourselfer can appreciate....High quality at an affordable priceExpertly made from premium materials$2,780.95
- Aeromotive®Racing EFI Fuel SystemFord Mustang 2003, Racing EFI Fuel System by Aeromotive®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and will help...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$2,451.95 - $2,626.95
- Aeromotive®Street EFI Fuel SystemFord Mustang 2003, Street EFI Fuel System by Aeromotive®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the...High quality at an affordable priceExpertly made from premium materials$2,796.95 - $2,985.95
- Holley®DMS Connector HousingFord Mustang X Engine VIN Character 2003, DMS Connector Housing by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$15.95
- Holley®Dominator™ EFI Ford 4R70W/4R75W Transmission Control HarnessFord Mustang Automatic Transmission 2003, Dominator™ EFI Ford 4R70W/4R75W Transmission Control Harness by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$209.95
- Holley®Dominator™ EFI Harness KitFord Mustang 2003, Dominator™ EFI Harness Kit by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$619.95 - $1,149.95
- Holley®HP™ EFI ECU and Harness KitFord Mustang 2003, HP™ EFI ECU and Harness Kit by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake...Plug and play with factory sensors; Crank, Cam, TPS, Coolant Temp, etcPlug and play with factory actuators; Coils, Injectors, IAC$2,657.95 - $2,870.95
- Holley®SSC IAC ConnectorFord Mustang X Engine VIN Character 2003, SSC IAC Connector by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection,...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$9.95
- Holley®Terminator X MAX™ MPFI KitFord Mustang Automatic Transmission 2003, Terminator X MAX™ MPFI Kit by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel...Made with precision and quality in mindBuilt to last$2,118.95
2003 Ford Mustang Models