Subaru OEM Synchronizer Set - 1st Gear Driven STI 2004-2006 | 32650AA110

Overview

The Genuine Subaru OEM Syncro Set (Part #32650AA110) is an exact-fit factory replacement synchronizer assembly for the 2004–2006 Subaru STI manual transmission. Designed and manufactured to Subaru's original engineering specifications, this OEM syncro set restores smooth, precise gear engagement and protects transmission internals — the right repair done right the first time.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to factory specifications for guaranteed fit, function, and durability; no guesswork, no compromises.
• Exact-Fit Replacement — Engineered specifically for the 2004–2006 STI 6-speed close-ratio transmission (TY856WB6CA), ensuring proper synchronizer ring engagement and shift feel.
• Restores Smooth Shifting — Replaces worn or damaged synchronizer components that cause grinding, hard shifts, or missed gears.
• Factory Warranty Coverage — Backed by Subaru's OEM parts warranty for added peace of mind.
• Direct OEM Cross-Reference — Replaces Subaru part number 32650AA110; no modification or adaptation required.

What's Included

• 1x Genuine Subaru Syncro Set (32650AA110)

Specifications

Fitment & Compatibility

This syncro set is designed for the following Subaru vehicles:

2004-2006 Subaru STI

Always verify your transmission code and vehicle VIN before ordering. If you are unsure of compatibility, consult your Subaru dealer or a qualified transmission specialist.

Installation

Transmission synchronizer replacement is an advanced repair requiring complete transmission disassembly. Professional installation by a qualified Subaru-trained technician or experienced transmission specialist is strongly recommended. Use of proper snap-ring pliers, bearing press tools, and Subaru transmission assembly lubricants is required. Refer to the Subaru STI factory service manual (FSM) for detailed torque specs and assembly procedures.