GBR 842-12319 Fuel Injector

Reman Multi Port Fuel Injector for Mazda

GBR Reman Multi Port Fuel Injector 842-12319 is a remanufactured OEM-style fuel injector built for direct replacement in select Mazda applications. It is tested across multiple operating conditions to verify flow rate, spray pattern, coil resistance, form, fit, and function.

This remanufactured fuel injector line is processed in a U.S.-based facility using a 15-step remanufacturing procedure. Each unit includes new external seals and o-rings for service replacement on the listed Mazda 6 and Mazda MPV applications.

Key Features

• Remanufactured OEM fuel injector for air and fuel delivery service
• Tested for flow rate, spray pattern, coil resistance, form, fit, and function
• Built through a 15-step remanufacturing process in the USA
• Includes new external seals and o-rings
• Direct replacement for select Mazda 6 and Mazda MPV applications
• Part number 842-12319 for catalog and interchange lookup

Product Details

GBR’s Reman Multi Port Fuel Injector line focuses on restoring OEM injector performance for drivability and fuel delivery service. Part number 842-12319 is listed for 2003-2007 Mazda 6, 2008 Mazda 6, and 2002-2006 Mazda MPV applications. This part also cross-references AJ5113250 for the same application.

Common Issues This Injector Can Address

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

Installation Notes

• Fits 2008 Mazda 6, N/A.
• Fits 2003-2007 Mazda 6, N/A.
• Fits 2002-2006 Mazda MPV, N/A.
• Follow the vehicle service procedure for fuel system depressurization before replacement.
• Inspect related fuel system components during service; Mazda 6 applications note fuel filter replacement where applicable.
• Use the part number 842-12319 to confirm application before installation.

Quality Assurance

Each injector is individually tested under multiple operating conditions to confirm OE-level specifications for flow, spray pattern, coil resistance, form, fit, and function. The remanufacturing process is performed in a U.S. facility and includes new external seals and o-rings.