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GBR 842-12331 Fuel Injector
| Brand | GBR 842-12331 |
|---|---|
| Product line | Reman Multi Port Fuel Injector |
| Fits | Mazda · 4 vehicles |
Remanufactured OEM design. Restored through a controlled process for OE-style fuel delivery and fit.
Multi-point tested. Verified under operating conditions for flow rate, spray pattern, and coil resistance.
New seals included. Supplied with fresh external seals and O-rings for service replacement.
Cross-references N3H213250 for the same application. See all 1.
Remanufactured Fuel Injector Overview
GBR 842-12331 is a remanufactured OEM fuel injector built for precise fuel delivery and OE-style fitment. It is engineered for the Mazda RX-8 and restored through a controlled remanufacturing process that focuses on flow rate, spray pattern, coil resistance, form, fit, and function.
This fuel injector is a practical replacement for owners servicing the fuel system on a Mazda RX-8. The 842-12331 part number is identified for 2004-2007 applications with automatic transmission, secondary injector placement, and the note to replace the fuel filter at the same time.
- Remanufactured OEM fuel injector for direct replacement use
- Tested under multiple operating conditions for consistent performance
- Verified against OE specifications for flow rate and spray pattern
- Checked for coil resistance, form, fit, and function
- Includes new external seals and O-rings
Detailed Product Information
GBR 842-12331 is part of GB's reman multi port fuel injector line, which uses a 15-step remanufacturing process in a U.S.-based facility. Each injector is evaluated to confirm it meets or exceeds OE requirements, making it a fit-focused replacement for fuel system service on the Mazda RX-8. The 842-12331 injector is intended for 2004-2007 Mazda RX-8 models with automatic transmission and secondary injector application, and the fitment notes call out fuel filter replacement during service.
This part cross-references N3H213250 for the same application.
What This Part Helps Address
- Uneven fuel delivery from a worn injector
- Incorrect spray pattern affecting combustion quality
- Electrical resistance issues in the injector coil
- Fuel seepage at the injector seal points
- Service replacement needs on Mazda RX-8 fuel systems
Installation Notes and Tips
Fits 2004-2007 Mazda RX-8, N/A. The fitment notes specify automatic transmission, secondary injector application, and recommend replacing the fuel filter when the injector is replaced. Review the vehicle service information and Technical Bulletin TB-0119-EFS before installation. Confirm connector condition, sealing surfaces, and fuel system cleanliness before reassembly.
Quality Assurance
GB remanufactures this injector in the USA using a 15-step process and tests each unit under multiple operating conditions to verify OE-level flow, spray, resistance, and function.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2007 | Mazda | RX-8 | 1.3L | R2 | Auto trans, secondary - Always replace fuel filter when injector is replaced. See Technical Bulletin TB-0119-EFS.; Reman Multi Port Fuel Injector |
| 2006 | Mazda | RX-8 | 1.3L | R2 | Auto trans, secondary - Always replace fuel filter when injector is replaced. See Technical Bulletin TB-0119-EFS.; Reman Multi Port Fuel Injector |
| 2005 | Mazda | RX-8 | 1.3L | R2 | Auto trans, secondary - Always replace fuel filter when injector is replaced. See Technical Bulletin TB-0119-EFS.; Reman Multi Port Fuel Injector |
| 2004 | Mazda | RX-8 | 1.3L | R2 | Auto trans, secondary - Always replace fuel filter when injector is replaced. See Technical Bulletin TB-0119-EFS.; Reman Multi Port Fuel Injector |
| No rows match your filter. | |||||