Part #: 550-2101

Walker 550-2101 Fuel Injector

Walker Products
9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products
Fitment: Ford, Mercury, and Lincoln, Fusion, Milan, and Zephyr
Easy Returns — Return within 60 days for a full refund
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Overview of Walker Products Fuel Injector 550-2101

The Walker Products fuel injector 550-2101 is designed for precise fuel delivery in select Ford, Lincoln, and Mercury vehicles. This fuel injector supports optimal engine performance and efficiency for models such as the Ford Fusion, Lincoln Milan, and Mercury Zephyr.

  • Compatible with Ford Fusion, Lincoln Milan, and Mercury Zephyr
  • Part number 550-2101 ensures exact fitment and function
  • Manufactured by Walker Products, a trusted name in fuel injection components
  • Designed for use in air and fuel delivery systems
  • Supports reliable fuel atomization and engine responsiveness

About Walker Products Fuel Injection Components

Walker Products specializes in fuel injection system components, providing parts engineered to meet OEM specifications. The 550-2101 fuel injector is part of their comprehensive line of air and fuel delivery products, designed to maintain proper fuel flow and combustion efficiency in compatible vehicles. This product line focuses on durability and precision to support consistent engine operation.

Detailed Product Description

The Walker 550-2101 fuel injector is engineered to deliver the correct amount of fuel to the engine’s combustion chamber, ensuring efficient fuel atomization and combustion. It is specifically designed for use in the fuel injection systems of Ford Fusion, Lincoln Milan, and Mercury Zephyr models. This injector meets the exacting standards required for air and fuel delivery components, providing reliable performance and helping to maintain engine power and fuel economy.

Common Applications and Issues Addressed

  • Restores proper fuel delivery in Ford Fusion, Lincoln Milan, and Mercury Zephyr
  • Resolves engine misfires caused by faulty injectors
  • Improves fuel efficiency and reduces emissions
  • Eliminates rough idling and hesitation during acceleration
  • Prevents poor engine performance related to injector wear

Installation Notes and Tips

Installation of the Walker 550-2101 fuel injector should be performed by a qualified technician familiar with fuel injection systems. Ensure the fuel rail and injector ports are clean before installation to prevent contamination. Use proper torque specifications and verify electrical connections for optimal injector operation. It is recommended to replace fuel injector seals and O-rings during installation to avoid leaks.

Quality Assurance and Warranty

Walker Products fuel injectors are manufactured to meet or exceed OEM standards, ensuring consistent quality and durability. While specific warranty details for part number 550-2101 may vary, Walker Products typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

This part fits 9 vehicles. Search below:

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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.