Walker 550-2117 Fuel Injector

Walker 550-2117 Fuel Injector for Mazda Applications

Walker Products fuel injectors are built to meet or exceed OEM standards and specifications, with engineering and product control backed by an ISO 9001/IATF16949 certified manufacturer. Part number 550-2117 is a direct-fit fuel injector for select Mazda 3, Mazda 5, Mazda 6, and CX-7 applications across the 2009-2015 model years.

Key Features

• Fuel injector for air and fuel delivery systems
• Walker Products line backed by in-house manufacturing and technical support
• Built to OEM-level standards and specifications
• Application coverage for select Mazda 3, Mazda 5, Mazda 6, and Mazda CX-7 models
• Cross-reference part numbers include Bosch 62381 and Standard Ignition FJ1036

Product Details

The Walker Products 550-2117 fuel injector is part of the Walker Products fuel system line, which focuses on replacement components for fuel injection and engine management service. This injector is engineered for precise fuel delivery in select Mazda vehicles, including Mazda 3, Mazda 5, Mazda 6, and Mazda CX-7 models. If you are searching for a Mazda 3 fuel injector, Mazda 6 fuel injector, or a Mazda CX-7 replacement injector, 550-2117 is the part number to verify against your application.

This part cross-references Bosch 62381 and Standard Ignition FJ1036 for the same application.

Vehicle Fitment

• Fits 2010-2013 Mazda 3, N/A
• Fits 2012-2015 Mazda 5, N/A
• Fits 2009-2013 Mazda 6, N/A
• Fits 2010-2012 Mazda CX-7, N/A

Common Issues This Part Can Address

• Hard starting caused by a worn or restricted injector
• Rough idle from inconsistent fuel delivery
• Misfire conditions related to injector performance
• Poor throttle response from uneven fuel atomization
• Fuel trim imbalance caused by injector flow variation

Installation Notes and Tips

Confirm the part number 550-2117 against the vehicle’s original injector and engine application before installation. Inspect the fuel rail, seals, and related fuel system components during service, and follow factory service procedures for depressurizing the fuel system and verifying leak-free operation after installation.

Quality Assurance

Walker Products has supplied fuel system components since 1946 and supports its aftermarket parts with manufacturing, engineering, product management, and technical documentation resources. The company is ISO 9001/IATF16949 certified and states that its products are produced to meet or exceed OEM standards and specifications.