GBR 845-12103 Fuel Injector

Reman GDI Fuel Injector for Lexus V8 Applications

GBR Reman GDI Fuel Injector Part Number 845-12103 is a remanufactured OEM-style fuel injector for select Lexus direct injection applications. It is built for accurate fuel delivery, consistent spray pattern, and OE-level fitment across multiple Lexus IS, GS, LS, RC, and IS F models.

GBR’s remanufactured OEM injector line is processed in the U.S.A. through a 15-step remanufacturing procedure and tested under multiple operating conditions to verify flow rate, coil resistance, spray pattern, form, fit, and function.

Key Features

• Remanufactured OEM fuel injector for direct injection systems
• Tested to meet or exceed OE specifications for flow rate and spray pattern
• Verified for coil resistance, form, fit, and function
• Includes new external seals and O-rings
• Built for Lexus applications with black connector seal notes
• Part number 845-12103 for ordering and cross-reference lookup

Detailed Description

This GBR reman GDI fuel injector is engineered for Lexus vehicles that require precise fuel metering under direct injection conditions. It supports stable combustion performance and consistent injector operation in applications such as Lexus IS350, GS350, LS460, and RC350. Part number 845-12103 is a direct replacement option for drivers and technicians servicing fuel delivery concerns on these models.

This part cross-references 2320939155B0 for the same application.

What It Helps Address

• Hard starting caused by poor injector fuel delivery
• Rough idle from inconsistent spray pattern or flow
• Misfire conditions related to injector performance
• Fuel trim issues tied to uneven injector output
• Driveability problems on Lexus direct injection engines

Installation Notes and Tips

• Compatible With 2016-2018 Lexus IS300, N/A; primary application with black connector seal.
• Compatible With 2006-2018 Lexus IS350, N/A; primary application with black connector seal.
• Compatible With 2016-2018 Lexus RC300, N/A; primary application with black connector seal.
• Compatible With 2015-2018 Lexus RC350, N/A; primary application with black connector seal.
• Compatible With 2007-2017 Lexus LS460, N/A; primary application with black connector seal.
• Compatible With 2008-2016 Lexus LS600h, N/A; primary application with black connector seal.
• Compatible With 2013-2015 Lexus GS350, N/A; primary application with black connector seal.
• Compatible With 2007-2011 Lexus GS350, N/A; primary application with black connector seal.
• Compatible With 2008-2014 Lexus IS F, N/A; primary application with black connector seal.
• Compatible With 2007-2011 Lexus GS450h, N/A; primary application with black connector seal.
• Compatible With 2008-2011 Lexus GS460, N/A; primary application with black connector seal.

Always replace the fuel filter when the injector is replaced, per Technical Bulletin TB-0119-EFS. Verify connector style and application details before installation.

Quality Assurance

Each injector is remanufactured in a U.S.A. facility using a controlled 15-step process and then tested under multiple operating conditions to confirm OE-level performance characteristics. GBR validates flow rate, spray pattern, coil resistance, form, fit, and function before release.