Subaru OEM 3rd Gear Driven (06-18 STI) | 32275AA560

Overview

The Genuine Subaru OEM 3rd Gear Driven (Part #32275AA560) is an exact-fit factory replacement transmission component designed for the 2006–2018 Subaru WRX STI. Built to Subaru's precise manufacturing specifications, this OEM driven gear ensures optimal gear mesh, smooth power transfer, and the long-term durability that performance STI drivers demand. Whether you're rebuilding a worn gearbox or replacing a damaged gear, this is the only part that restores your transmission to factory performance standards.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to Subaru factory specifications for exact dimensional accuracy, heat treatment, and tooth geometry — ensuring proper gear engagement and reducing wear.
• Exact-Fit Guarantee — Designed specifically for the 2006–2018 WRX STI transmission; no modifications or shimming required for proper installation.
• Factory-Grade Durability — Produced from the same materials and processes as original equipment, delivering OEM longevity under high-torque STI driving conditions.
• Maintains Factory Warranty Integrity — Using genuine OEM components preserves your vehicle's powertrain warranty compliance and avoids fitment risks associated with aftermarket alternatives.
• Direct OEM Replacement — Drop-in replacement for worn, chipped, or damaged 3rd gear driven components in the STI 6-speed transmission.

What's Included

• 1x Genuine Subaru OEM 3rd Gear Driven — Part #32275AA560

Specifications

Fitment & Compatibility

This genuine Subaru OEM 3rd gear driven is compatible with the following vehicles:

Please verify your specific model year and transmission configuration before ordering. If you are unsure of compatibility, reference part number 32275AA560 against your vehicle's current components or consult your Subaru dealer.

Installation

Installation of the 3rd gear driven requires full or partial transmission disassembly and is recommended for experienced transmission builders or professional mechanics. This is not a bolt-on repair — proper bearing preload, synchronizer inspection, and torque specifications must be observed per the Subaru STI transmission service manual. Always inspect mating components (synchronizer rings, shift forks, and needle bearings) for wear when replacing driven gears.