Walker 550-2107 Fuel Injector

Walker 550-2107 Fuel Injector Overview

Walker Products fuel injectors are built for fuel system service on late-model Ford and Lincoln applications. Part number 550-2107 is a direct-fit fuel injector for select Expedition, Navigator, and F-150 models, with OE-style manufacturing standards backed by Walker Products’ long history in fuel system components.

Walker Products has supplied fuel system parts since 1946 and supports its engine management lineup with in-house engineering, product management, and technical support. The Walker Products line includes fuel injectors, repair kits, oxygen sensors, and related engine management components for service work that demands accurate fitment and consistent performance.

Key Features

• Fuel injector for select Ford and Lincoln applications
• Walker Products part number 550-2107
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering and technical resources
• Cross-references Bosch 62406 and Standard Ignition FJ1003 for the same application

Application Details

Compatible with 2009-2014 Ford Expedition, 2009-2014 Lincoln Navigator, and 2009-2010 Ford F-150. Use 550-2107 when servicing fuel delivery concerns on these vehicles and when an OE-style replacement injector is required for the listed applications.

What This Fuel Injector Helps Address

• Hard starting caused by inconsistent fuel delivery
• Rough idle related to injector performance issues
• Misfire conditions tied to fuel atomization problems
• Poor throttle response from uneven injector output
• Fuel trim concerns caused by a worn or failing injector

Installation Notes

Verify the vehicle year, make, and model before installation. Confirm connector style, fuel system configuration, and injector location against the original part and service information. Clean the fuel rail and surrounding components during replacement, and inspect seals and related fuel system parts for wear before reassembly.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with a long-standing focus on fuel system components and engine sensors. Part number 550-2107 is produced to support OE-level service expectations for Ford Expedition, Lincoln Navigator, and Ford F-150 applications.