Walker 550-2099 Fuel Injector

Walker 550-2099 Fuel Injector Overview

Walker Products fuel injectors are built for fuel system service on select Buick, Cadillac applications. Part number 550-2099 is a direct-fit fuel injector for vehicles including the Buick LaCrosse, Buick Rendezvous, Cadillac CTS, Cadillac SRX, and Cadillac STS within the listed model years.

Walker Products has supplied fuel system components since 1946 and manufactures engine management parts to meet or exceed OEM standards and specifications. The Walker Products line includes fuel injectors, oxygen sensors, throttle position sensors, cam and crankshaft sensors, repair kits, spark plug wires, and gaskets.

Key Features

• Fuel injector for select Buick and Cadillac fuel injection systems
• Walker Products part number 550-2099
• Built to OEM-level standards and specifications
• Backed by Walker Products engineering, product management, and technical support
• ISO 9001/IATF16949 certified manufacturing

Detailed Description

The Walker 550-2099 fuel injector is engineered for precise fuel delivery in compatible Buick and Cadillac applications. It is listed for 2005-2008 Buick LaCrosse, 2004-2006 Buick Rendezvous, 2004-2006 Cadillac CTS, 2004-2006 Cadillac SRX, and 2005-2006 Cadillac STS. This part cross-references Bosch 62266 for the same application.

Use 550-2099 when replacing a worn or malfunctioning injector in the fuel injection system. Accurate injector performance helps maintain proper fuel atomization and consistent engine operation across the listed vehicles.

What It Is Used For

• Hard starting caused by poor fuel delivery
• Rough idle from inconsistent injector flow
• Misfire conditions related to injector performance
• Fuel trim issues tied to uneven cylinder fueling
• Loss of power from restricted or faulty injection

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. Confirm connector style, fuel system configuration, and injector placement on the vehicle before installation. Follow factory service procedures for fuel system depressurization, sealing surfaces, and leak checks after replacement.

Quality Assurance

Walker Products manufactures fuel system components under ISO 9001/IATF16949 certification and supports production with in-house engineering and technical staff. The company states its parts are produced to meet or exceed OEM standards and specifications.

Compatible Vehicles

• Fits 2005-2008 Buick LaCrosse, N/A
• Fits 2004-2006 Buick Rendezvous, N/A
• Fits 2004-2006 Cadillac CTS, N/A
• Fits 2004-2006 Cadillac SRX, N/A
• Fits 2005-2006 Cadillac STS, N/A