GBR 842-12351 Fuel Injector

Remanufactured Fuel Injector for Mazda 6

GBR Reman Multi Port Fuel Injector Part Number 842-12351 is a remanufactured OEM-style fuel injector for 2003-2004 Mazda 6 applications. It is built for direct replacement service and is tested across multiple operating conditions to verify flow rate, spray pattern, coil resistance, form, fit, and function.

GBR’s remanufactured OEM fuel injector line is processed in a U.S.A. remanufacturing facility using a 15-step procedure, with new external seals and o-rings installed during remanufacturing. This makes Part Number 842-12351 a practical choice for Mazda 6 fuel system repair where OE-level performance is required.

• Fits 2003-2004 Mazda 6, N/A
• Remanufactured OEM multi port fuel injector
• 100% tested under multiple operating conditions
• Verified for flow rate, spray pattern, coil resistance, form, fit, and function
• Includes new external seals and o-rings
• Cross-references 0280156156 and L30913250A for the same application

Key Features

• GBR remanufactured fuel injector for Mazda 6 fuel injection service
• Part Number 842-12351 for 2003-2004 Mazda 6 fitment
• Built to meet or exceed OE specifications after remanufacturing
• Multi port fuel injector design for direct replacement use

Application Details

Use this injector when servicing a 2003-2004 Mazda 6 with the listed application notes, including the roof mounted antenna configuration. The part number 842-12351 is also a useful reference when searching for Mazda 6 fuel injector replacement, reman fuel injector, or OEM-style injector service parts.

What It Helps Address

• Rough idle caused by inconsistent injector spray pattern
• Fuel delivery imbalance affecting engine performance
• Hard starting related to injector wear or contamination
• Misfire concerns tied to injector electrical resistance issues
• Fuel trim problems from reduced injector flow

Installation Notes

Always replace the fuel filter when this injector is replaced, as noted in the application bulletin. Confirm the vehicle matches the listed 2003-2004 Mazda 6 fitment before installation, and inspect the fuel rail, seals, and connectors during service. Proper cleaning of the fuel system helps support consistent injector performance after replacement.

Quality Assurance

GBR remanufactured OEM fuel injectors are processed through a 15-step remanufacturing procedure in the USA and tested to confirm OE-level flow, spray, electrical, and fitment characteristics. Each injector includes new external seals and o-rings for service-ready installation.