Walker 550-2039 Fuel Injector

Fuel Injector for Mercedes-Benz V8 Applications

Walker Products fuel injector Part Number 550-2039 is built for select Mercedes-Benz V8 applications from 1998-2002. It is a direct-fit fuel system component for drivers replacing a worn or failing injector on models such as the Mercedes-Benz SL500, CL500, CLK430, E430, ML430, S430, and S500.

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 fuel injector line supports accurate fuel delivery for demanding street applications, including Mercedes-Benz SL500 and E430 service repairs.

Key Features

• Fuel injector for select Mercedes-Benz V8 engines
• Walker Products Part Number 550-2039
• Built to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and manufacturing support
• Applicable to multiple Mercedes-Benz models from 1998-2002
• Cross-references Bosch 62680 and Standard Ignition FJ755 for the same application

Product Details

Walker Products 550-2039 is a fuel injector for select Mercedes-Benz applications, including 1998-2000 Mercedes-Benz CL500, 1999-2002 Mercedes-Benz SL500, 1999-2000 Mercedes-Benz CLK430, 1998-2000 Mercedes-Benz E430, 1999-2000 Mercedes-Benz ML430, and 2000 Mercedes-Benz S430 and S500. This injector supports precise fuel metering in the fuel injection system and is part of Walker Products’ engine management lineup for import vehicle service.

Common Issues This Part May Address

• Rough idle caused by inconsistent fuel delivery
• Hard starting related to injector wear or clogging
• Misfire conditions from poor atomization
• Fuel trim imbalance from a weak or leaking injector
• Loss of performance under load on Mercedes-Benz V8 models

Installation Notes and Tips

Verify the vehicle year, model, and engine application before ordering. Confirm connector style, fuel rail fitment, and injector specifications against the original part number. After installation, inspect for fuel leaks and clear any stored diagnostic trouble codes as needed.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house engineering and technical support. The company states its fuel system components are produced to meet or exceed OEM standards and specifications.