Walker
Walker Products

Walker 550-2101 Fuel Injector

Brand Walker 550-2101
Product line Walker Products
Fits Ford, Mercury, and Lincoln · 9 vehicles

OE standards. Manufactured to meet or exceed OEM specifications.

Fuel injector. Delivers precise fuel delivery for engine management systems.

Walker Products. A long-standing fuel system specialist since 1946.

Cross-references Bosch 67602, Four Seasons 15947 and Standard Ignition FJ996 for the same application. See all 12.

$61.94Free shipping
In stock · usually ships same day before 1pm CST
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Order total $61.94
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Fuel Injector for Ford Fusion, Mercury Milan, and Lincoln Zephyr

Walker Products fuel injector Part Number 550-2101 is a direct-fit fuel system component for select Ford, Mercury, and Lincoln applications. It is built to meet or exceed OEM standards and specifications, with engineering and product support backed by Walker Products’ long-running fuel system manufacturing experience.

Key Features

  • Fuel injector for select 2006-2009 Ford Fusion applications
  • Fits 2006-2009 Mercury Milan applications
  • Fits 2006 Lincoln Zephyr applications
  • Walker Products fuel system component line
  • Part Number 550-2101 for application matching and cross-reference lookup
  • Manufactured under ISO 9001/IATF16949 quality systems

Product Details

Walker Products 550-2101 is part of the Walker Products fuel injection and engine management line, which includes fuel injectors, repair kits, sensors, wires, and gaskets. For buyers searching for a Ford Fusion fuel injector, Mercury Milan fuel injector, or Lincoln Zephyr fuel injector, this part provides a fitment-specific replacement option backed by Walker’s in-house manufacturing and technical support resources. This part cross-references Bosch 67602 for the same application.

Common Issues This Part Can Address

  • Hard starting caused by a worn or restricted injector
  • Rough idle from inconsistent fuel delivery
  • Misfire conditions related to injector performance
  • Poor throttle response from uneven fuel atomization
  • Fuel trim imbalance caused by injector flow variation

Installation Notes

Confirm vehicle year, make, and model before ordering. Fits 2006-2009 Ford Fusion, N/A; Fits 2006-2009 Mercury Milan, N/A; Fits 2006 Lincoln Zephyr, N/A. Verify connector style, fuel system configuration, and OE part number match during service. Clean the fuel rail and inspect seals and related components before installation.

Quality Assurance

Walker Products has supplied fuel system components since 1946 and manufactures to meet or exceed OEM standards and specifications. The company supports production with its own manufacturing, engineering, and product management teams, and operates under ISO 9001/IATF16949 certification.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009FordFusion3.0LV6N/AWalker Products
2009MercuryMilan3.0LV6N/AWalker Products
2008FordFusion3.0LV6N/AWalker Products
2008MercuryMilan3.0LV6N/AWalker Products
2007FordFusion3.0LV6N/AWalker Products
2007MercuryMilan3.0LV6N/AWalker Products
2006FordFusion3.0LV6N/AWalker Products
2006LincolnZephyr3.0LV6N/AWalker Products
2006MercuryMilan3.0LV6N/AWalker Products
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 67602Four Seasons — 15947Standard Ignition — FJ9964G21086E5Z 9F593-AA6E5Z9F593AA800-2032N822-11213623970280158075CM5121M1266