Part #: 842-12391

GBR 842-12391 Fuel Injector

Reman Multi Port Fuel Injector
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Reman Multi Port Fuel Injector
Fitment: Subaru, Legacy and Outback
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Reman Multi Port Fuel Injector for Subaru

GBR remanufactured OEM fuel injector Part Number 842-12391 is built for direct replacement in select Subaru Legacy and Subaru Outback applications. It is remanufactured in the USA using a 15-step process and tested across multiple operating conditions to verify flow rate, spray pattern, coil resistance, form, fit, and function.

This reman multi port fuel injector is a practical OE-style solution for 2010-2012 Subaru Legacy and 2010-2012 Subaru Outback fuel system service. Part number 842-12391 is also cross-referenced to 16611AA77A and 16611AA78A for the same application.

Key Features

  • Remanufactured OEM fuel injector from GBR
  • Fits 2010-2012 Subaru Legacy and 2010-2012 Subaru Outback
  • Multi-port fuel injection replacement
  • 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
  • Part Number: 842-12391

Detailed Description

GBR 842-12391 is a reman multi port fuel injector for Subaru Legacy and Subaru Outback models from 2010 through 2012. It is remanufactured from OEM hardware and tested to meet or exceed OE specifications for critical injector performance characteristics. The result is a direct-fit fuel injector replacement for drivers addressing fuel delivery issues on these Subaru applications.

GBR’s remanufactured OEM fuel injector line focuses on restoring proper atomization and electrical performance while maintaining OE-style fitment. For Subaru Legacy and Subaru Outback fuel injector replacement, part number 842-12391 provides a service-ready option with new external seals and o-rings installed.

What It Helps Fix

  • Hard starting caused by poor fuel delivery
  • Rough idle from inconsistent injector spray pattern
  • Misfire conditions related to injector performance
  • Fuel trim issues tied to restricted or worn injectors
  • Loss of engine smoothness on Subaru Legacy and Subaru Outback models

Installation Notes and Tips

Verify the injector part number and OE cross-reference before installation. Confirm the vehicle is a 2010-2012 Subaru Legacy or 2010-2012 Subaru Outback with the matching fuel injector application. Clean the fuel rail and surrounding components during service, and follow factory procedures for fuel system depressurization and injector installation.

Quality Assurance

GBR remanufactures this injector in a U.S.A. facility using a documented 15-step process. Each unit is tested for flow, spray pattern, coil resistance, form, fit, and function to support OE-level performance expectations for Subaru fuel injector replacement.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012SubaruLegacy2.5LH4N/AFuel Injector replacement with installation instructions.; Reman Multi Port Fuel Injector
2012SubaruOutback2.5LH4N/AFuel Injector replacement with installation instructions.; Reman Multi Port Fuel Injector
2011SubaruLegacy2.5LH4N/AFuel Injector replacement with installation instructions.; Reman Multi Port Fuel Injector
2011SubaruOutback2.5LH4N/AFuel Injector replacement with installation instructions.; Reman Multi Port Fuel Injector
2010SubaruLegacy2.5LH4N/AFuel Injector replacement with installation instructions.; Reman Multi Port Fuel Injector
2010SubaruOutback2.5LH4N/AFuel Injector replacement with installation instructions.; Reman Multi Port Fuel Injector

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16611AA77A16611AA78A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.