Standard Ignition FJ1125 Fuel Injector

OE Fuel Injector for Ranger and B2300

Standard Ignition FJ1125 is a new direct-fit fuel injector for gas applications with a top-feed MFI design. It is built with high-quality materials, includes an O-ring, and is tested for reliable operation in demanding underhood conditions.

• Fuel injector type: MFI injector for gas engines
• New replacement part with direct-fit OE-style installation
• Top-feed system type with 2 male blade terminals
• Includes O-ring for sealing at the injector connection
• White housing color
• Part number FJ1125 for easy cross-reference

Detailed Product Overview

Standard Ignition FJ1125 is a fuel injector replacement for 2002-2003 Ford Ranger and 2002-2003 Mazda B2300 applications listed in the fitment data. It is also a direct replacement for the 2003 Mazda B2300 through 4/13/03. This injector is engineered as an OE replacement to support proper fuel delivery in compatible Ford Ranger and Mazda B2300 fuel injection systems.

This part cross-references Bosch (e.g., 0280156155) for the same application.

Common Issues This Part Can Address

• Rough idle caused by inconsistent fuel atomization
• Hard starting related to a worn or restricted injector
• Fuel delivery imbalance between cylinders
• Misfire concerns tied to injector performance
• Poor throttle response from degraded injector flow

Installation Notes and Tips

Verify the injector connector style, terminal count, and top-feed configuration before installation. The 2-terminal male blade connection and included O-ring should be matched to the vehicle’s fuel rail and electrical connector requirements. Confirm the exact model year and, for the 2003 Mazda B2300, the build date note of through 4/13/03 before ordering.

Quality Assurance

Standard Ignition states that this injector is manufactured with complete quality control throughout the production process and undergoes extensive testing for reliability. The part is built to meet OE replacement expectations for fit and function.