Subaru OEM Reverse Idler Sub-gear | 32367AA001

Overview

The Genuine Subaru OEM Reverse Idler Sub-Gear (Part #32367AA001) is an exact-fit factory replacement component for the manual transmissions on 2007 and 2009 Subaru Legacy GT, 2004–2021 Subaru STI, and 2015–2021 Subaru WRX models. Engineered to Subaru's precise factory tolerances, this sub-gear works in conjunction with the reverse idler gear assembly to deliver smooth, rattle-free reverse engagement and long-lasting transmission reliability. Choosing a genuine OEM part ensures perfect fitment, factory-grade durability, and compatibility with your STI's close-ratio 6-speed manual gearbox.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to the same exact specifications as the original part installed at the factory, ensuring no compromises in fit, form, or function.
• Exact-Fit Guarantee — Designed specifically for 2007 and 2009 Subaru Legacy GT, 2004–2021 Subaru STI, and 2015–2021 Subaru WRX models; no modifications or adapters required for installation.
• Smooth Reverse Engagement — Works as part of the reverse idler gear system to reduce gear rattle and ensure crisp, precise reverse gear selection.
• Factory Warranty Backed — Covered under Subaru's genuine parts warranty, giving you peace of mind with every installation.
• OEM Part Number Cross-Reference — Subaru Part #32367AA001; use this number to verify fitment and avoid counterfeit or incompatible alternatives.
• Long-Term Durability — Constructed from factory-grade materials engineered to withstand the high-performance demands of the STI's turbocharged drivetrain.

What's Included

• 1x Genuine Subaru Reverse Idler Sub-Gear (Part #32367AA001)

Specifications

Fitment & Compatibility

This genuine Subaru reverse idler sub-gear is compatible with the following vehicles:

2007 Subaru Legacy GT

2009 Subaru Legacy GT

2004-2021 Subaru STI

2015-2021 Subaru WRX

Always verify your specific vehicle's VIN and current part number against Subaru Part #32367AA001 before ordering. If you are unsure of fitment, consult your Subaru dealer or a certified Subaru technician.

Installation

Installation of the reverse idler sub-gear requires disassembly of the manual transmission gearbox and is considered an advanced, labor-intensive repair. This procedure should be performed by a qualified transmission specialist or certified Subaru technician with proper tools and a clean workspace. Attempting this repair without professional experience or equipment is not recommended. Refer to the official Subaru service manual for your vehicle for detailed torque specifications and assembly procedures.