Standard Ignition FJ1559 Fuel Injector

Direct GDI Fuel Injector for Mazda Applications

Standard Ignition FJ1559 is a new direct fuel injector built for gasoline direct injection systems. It is specified for Mazda 3, Mazda 6, CX-30, and CX-5 applications where precise fuel delivery is required for proper engine operation.

• Fuel injector type: GDI injector
• System type: direct injection
• New replacement part
• Color/finish: silver, black
• Cross-reference: This part cross-references 2-39587 and 800-2838N for the same application.

Fitment Details

Compatible With:

• Fits 2019-2022 Mazda 3, N/A
• Fits 2018-2021 Mazda 6, N/A
• Fits 2020-2021 Mazda CX-30, N/A
• Fits 2018-2021 Mazda CX-5, N/A

Product Overview

Standard Ignition FJ1559 is a direct GDI injector for Mazda vehicles equipped with direct fuel injection. It is engineered for applications that require accurate atomization and timed fuel delivery under high-pressure injection conditions. If you are replacing a worn or malfunctioning injector on a Mazda 3, Mazda 6, CX-30, or CX-5, this part number provides a direct-fit service replacement for the listed model years.

Common Issues This Part May Address

• Hard starting caused by inconsistent fuel delivery
• Rough idle from injector wear or internal leakage
• Misfire conditions related to poor spray pattern
• Fuel trim concerns from inaccurate injector output
• Reduced engine performance tied to direct injector failure

Installation Notes and Tips

Verify engine code and injector application before installation. Direct injection systems operate at high pressure, so fuel system pressure must be relieved and the engine service procedure followed carefully. Inspect sealing surfaces, connectors, and fuel rail components during replacement, and confirm proper coding or relearn steps if required by the vehicle service procedure.

Quality Assurance

Standard Ignition supplies replacement ignition and fuel system components for service applications. FJ1559 is a new part built for direct-injection use and matched to the listed Mazda fitments.