The Genuine Subaru OEM Front Ring and Pinion Gear Set is the factory replacement differential gear set for 2004-2021 Subaru STI models. Manufactured to Subaru’s original specifications, it restores the correct front differential gearing, fit, and operation.
Features
- Genuine Subaru OEM component
- Front differential ring and pinion gear set
- Factory 3.900 final-drive ratio
- Direct replacement for applicable 2004-2021 Subaru STI models
- P. . . Show More >
The Genuine Subaru OEM Front Ring and Pinion Gear Set is the factory replacement differential gear set for 2004-2021 Subaru STI models. Manufactured to Subaru’s original specifications, it restores the correct front differential gearing, fit, and operation.
Features
- Genuine Subaru OEM component
- Front differential ring and pinion gear set
- Factory 3.900 final-drive ratio
- Direct replacement for applicable 2004-2021 Subaru STI models
- Part number: 38100AB720
Included
- 1 front ring gear
- 1 front pinion gear
Fitment note: Confirm the vehicle’s differential assembly and final-drive ratio before ordering.
Installation note: Installation requires differential disassembly and precise bearing-preload and backlash adjustment. Professional installation by an experienced Subaru drivetrain technician is strongly recommended.
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