Subaru OEM Transmission Master Gasket Set Legacy GT 2007 / STI 2004-2007 | 32001AA210

Overview

The Genuine Subaru OEM Transmission Master Gasket Set (Part #32001AA210) is the factory-correct sealing solution for 2004–2007 Subaru STI and 2007 Subaru Legacy GT manual transmissions. Engineered to OEM specifications, this complete gasket kit ensures leak-free performance and exact-fit installation without modification. If you're rebuilding or servicing your STI's 6-speed transmission, this is the only kit that guarantees factory tolerances and long-term reliability.

Key Features & Benefits

• Genuine Subaru OEM Quality – Manufactured to factory specifications for guaranteed fit, form, and function — no aftermarket compromises.
• Complete Master Set – Includes all necessary gaskets and seals required for a full transmission rebuild or reseal, eliminating the need to source individual components.
• Exact-Fit Guarantee – Designed specifically for the 2004–2007 Subaru STI and 2007 Subaru Legacy GT 6-speed transmission; installs correctly the first time.
• Factory-Grade Sealing Materials – OEM-spec gasket materials resist heat, oil, and transmission fluid, ensuring long-lasting leak prevention under high-performance driving conditions.
• Factory Warranty Backed – As a Genuine Subaru OEM part, this kit is covered under Subaru's standard OEM parts warranty.
• Preserves Transmission Integrity – Proper sealing protects internal components from contamination and fluid loss, extending transmission life in demanding STI applications.

What's Included

• Complete transmission master gasket set (all gaskets and seals for full reseal/rebuild)
• Genuine Subaru OEM packaging with part number verification

Specifications

Fitment & Compatibility

This transmission master gasket set is specifically designed for the following Subaru vehicles:

2007 Subaru Legacy GT

2004-2007 Subaru STI

Note: Always verify fitment using your vehicle's VIN and the Subaru part number 32001AA210 before ordering. This part is not compatible with WRX (non-STI) models or automatic transmission variants.

Installation

This transmission master gasket set is intended for complete transmission disassembly and reseal or rebuild procedures. Professional installation by a qualified Subaru technician or experienced transmission specialist is strongly recommended. Proper torque specifications, surface preparation, and assembly procedures per Subaru's service manual (applicable to 2004–2007 STI and 2007 Legacy GT) must be followed to ensure a leak-free result. This is not a plug-and-play bolt-on part — a full transmission removal and disassembly is required.