GBR 842-12359 Fuel Injector

Reman Multi Port Fuel Injector for Mazda 6

GBR 842-12359 is a remanufactured multi port fuel injector built for direct replacement service on the 2005 Mazda 6 with automatic transmission, California emissions. It is remanufactured in the U.S.A. and tested across multiple operating conditions to verify flow rate, spray pattern, coil resistance, form, fit, and function.

The GBR reman fuel injector line focuses on OEM-style restoration for drivability and fuel delivery consistency. Part number 842-12359 is supplied with new external seals and o-rings for service replacement on the Mazda 6 fuel injection system.

Key Features

• Remanufactured OEM fuel injector for air and fuel delivery service
• Fits 2005 Mazda 6, auto trans, Calif
• 100% tested under multiple operating conditions
• Verified for OE-level flow rate, spray pattern, coil resistance, form, fit, and function
• Includes new external seals and o-rings
• Part number 842-12359 for catalog and cross-reference lookup

Detailed Description

GBR 842-12359 is a reman multi port fuel injector for the 2005 Mazda 6, auto trans, Calif application. Each injector is remanufactured through a 15-step process and checked to meet or exceed OE specifications before release. This makes it a direct-fit service part for restoring proper fuel atomization and injector performance in the Mazda 6 fuel system. This part cross-references Bosch (e.g., 0280156219) for the same application.

Common Issues It Can Address

• Rough idle caused by inconsistent fuel delivery
• Hard starting related to injector wear or contamination
• Misfire conditions tied to poor spray pattern
• Fuel trim imbalance from restricted or leaking injectors
• Driveability concerns from degraded coil resistance or flow variation

Installation Notes and Tips

Compatible With 2005 Mazda 6, auto trans, Calif. Always replace the fuel filter when the injector is replaced, per Technical Bulletin TB-0119-EFS. Confirm connector condition, fuel rail sealing surfaces, and injector seating before installation. Part number 842-12359 should be matched to the vehicle’s emissions and transmission configuration before service.

Quality Assurance

GBR remanufactures this injector in a U.S.A. facility using a controlled 15-step process and multi-condition testing to verify OE-spec performance. The remanufacturing process is focused on restoring injector function for reliable fuel delivery in the Mazda 6 application.