GBR 842-12300 Fuel Injector

Remanufactured Fuel Injector for Mitsubishi

GBR Reman Multi Port Fuel Injector 842-12300 is a remanufactured OEM-style fuel injector built for direct replacement in select Mitsubishi applications. It is tested across multiple operating conditions to verify flow rate, spray pattern, coil resistance, form, fit, and function.

This injector is a fitment-based replacement for 1998-2000 Mitsubishi Montero and 1999-2004 Mitsubishi Montero Sport. Part number 842-12300 is also referenced for MD337900 applications.

Key Features

• Remanufactured OEM fuel injector for multi-port fuel injection systems
• Tested to meet or exceed OE specifications for flow rate and spray pattern
• Verified coil resistance, form, fit, and function
• Includes new external seals and o-rings
• Built in a U.S.A. remanufacturing facility using a 15-step process

Product Details

GBR’s Reman Multi Port Fuel Injector line focuses on restoring OEM injector performance through controlled remanufacturing and testing. Part number 842-12300 is intended for Mitsubishi Montero and Mitsubishi Montero Sport fuel injector replacement applications where accurate fuel delivery and consistent atomization are required. The remanufacturing process helps return the injector to OE-style operating characteristics for drivability and fuel system service.

Common Issues This Part Can Address

• Rough idle caused by inconsistent fuel delivery
• Hard starting related to injector wear or contamination
• Misfire conditions from poor spray pattern or flow imbalance
• Fuel trim problems tied to injector performance variation
• Loss of engine smoothness under load

Installation Notes

Verify the injector part number and vehicle application before installation. For 842-12300, confirm fitment on 1998-2000 Mitsubishi Montero and 1999-2004 Mitsubishi Montero Sport before replacing the original injector. Clean the fuel rail and inspect related seals and connectors during service to help ensure proper sealing and electrical connection.

Quality Assurance

Each injector is remanufactured and tested under multiple operating conditions to confirm OE-level performance targets for flow, spray pattern, resistance, form, fit, and function. New external seals and o-rings are included, and the part is produced in a U.S.A. remanufacturing facility.