Walker 550-2011 Fuel Injector

Fuel Injector for Toyota Corolla, Matrix, and Celica

Walker Products 550-2011 is a fuel injector built for specific Toyota applications from 2003 through 2006. It is a direct-fit fuel system component for drivers servicing fuel delivery concerns on Corolla, Matrix, and Celica models.

Key Features

• Fuel injector for air and fuel delivery system repair
• Fits 2005-2006 Toyota Corolla
• Fits 2004-2006 Toyota Matrix
• Fits 2004-2005 Toyota Celica
• Fits 2003 Toyota Celica, stamped #23250-22070, to 05/2003
• Fits 2003 Toyota Celica and 2003 Toyota Matrix, from 05/2003
• Built by Walker Products to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support resources

Detailed Description

Walker Products 550-2011 is part of the Walker Products fuel system line, which includes fuel injection repair kits, oxygen sensors, throttle position sensors, cam and crankshaft sensors, spark plug wires, and gaskets. Walker Products has supplied fuel system components since 1946 and manufactures under ISO 9001/IATF16949 quality systems. For buyers searching for a Toyota Corolla fuel injector, Toyota Matrix fuel injector, or Toyota Celica fuel injector, this part number 550-2011 provides application-specific coverage for the listed vehicles.

This part cross-references Standard Ignition FJ782 for the same application.

What It Helps Address

• Hard starting caused by inconsistent fuel delivery
• Rough idle related to injector performance
• Lean or rich running conditions tied to fuel metering issues
• Misfire concerns associated with a worn or restricted injector
• Fuel spray irregularities affecting engine operation

Installation Notes and Tips

Verify the vehicle year, model, and the 2003 Celica build-date note before ordering. Confirm the original injector reference number and compare connector and fuel system details during service. Clean the fuel rail and surrounding components before installation, and follow the vehicle service manual for fuel system depressurization and final leak checks.

Quality Assurance

Walker Products manufactures fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation resources, and operates under ISO 9001/IATF16949 certification.