Walker 550-2091 Fuel Injector

Walker Fuel Injector for Pontiac Grand Prix

Walker Products fuel injector 550-2091 is built for direct replacement service on select Pontiac Grand Prix applications from 2004-2007. It is backed by Walker’s long-running fuel system manufacturing experience and focus on OE-standard production practices.

Key Features

• Fuel injector for fuel injection system service
• Fits 2004-2007 Pontiac Grand Prix, N/A
• Walker Products part number 550-2091
• Walker Products line from Walker, a fuel system manufacturer serving the aftermarket since 1946
• Manufactured to meet or exceed OEM standards and specifications
• Supported by in-house manufacturing, engineering, and technical documentation resources

Product Details

The Walker 550-2091 fuel injector is a replacement component for the fuel injection system on the Pontiac Grand Prix. It is intended for 2004, 2005, 2006, and 2007 Grand Prix models listed in the fitment data, making it a focused choice for drivers and technicians searching for a Pontiac Grand Prix fuel injector replacement or Walker 550-2091 injector for 2004-2007 applications. Walker Products supplies engine management and fuel system parts with production controls aligned to OEM standards, and its catalog includes injectors, sensors, repair kits, and related components.

This part cross-references Bosch 62273 for the same application.

Common Reasons for Replacement

• Hard starting or extended crank time
• Rough idle or inconsistent fuel delivery
• Engine misfire related to injector performance
• Poor throttle response under load
• Fuel trim issues caused by a worn or restricted injector

Installation Notes

Verify the vehicle application against the listed fitment before installation. Inspect the fuel rail, seals, and related fuel system components during service, and follow the vehicle service manual for fuel pressure relief, electrical connection checks, and injector coding or calibration procedures if required by the application.

Quality Assurance

Walker Products has supplied fuel system components since 1946 and operates as an ISO 9001/IATF 16949 certified manufacturer. The 550-2091 is produced with attention to application accuracy, technical support, and OE-level specification control.