The Walker Products Fuel Injector (part number 550-2077) is a direct-fit replacement for 2005 Ford and Mercury vehicles with 4.0L engines. Walker Genuine OE Fuel Injectors are authentic, factory-sourced components that deliver true OE fit, function, and engine calibration compatibility.
Features:
- Authentic OE Performance:Â Supplied directly from the original vehicle manufacturer to ensure factory-accurate fuel delivery and spray pattern.
- Engineered for System Integrity:Â Supports full engine performance, emissions control, and drivability as originally designed.
- Exact Vehicle Match:Â Built to original assembly specs for precise fitment, flow rate, and electrical compatibility with factory ECU calibration.
- 100% Genuine OE: Sourced through validated OEM supply chains—no aftermarket substitutions or equivalents.
- Trusted Quality Assurance: Same part, same quality, same performance as installed on the production line—no compromises.
Specifications:
| Number of Terminals | 2 |
| Connector Type | Blade |
| Connector Shape | Rectangle |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2005 Ford and Mercury models including Explorer, Explorer Sport Trac, and Mountaineer — 4.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Ford 0280158066, Ford 5L2Z 9F593-DA, Ford 5L2Z9F593DA, Motorcraft CM5101, Wells M1166, Mercury Marine 5L2Z 9F593-DA, Bosch 62639, SMP FJ765 and 2 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
