Subaru OEM Alternator Subaru WRX 06-10 / STI 07-10 / Outback XT / Legacy GT 2005 / Forester XT 06-11 | 23700AA8608A

Product Fitment:

• 2009–2011 Subaru Forester

• 2006–2011 Subaru Forester XT

• 2008–2010 Subaru Impreza

• 2009–2010 Subaru Impreza GT

• 2008–2010 Subaru Outback Sport

• 2006–2010 Subaru WRX

• 2007–2010 Subaru STI

• 2005 Subaru Legacy GT

• 2005 Subaru Outback XT

Overview

The Genuine Subaru OEM Alternator (Part #23700AA8608A) is the factory-original charging system component designed specifically for 2005–2007 Subaru WRX and STI models. Engineered to exact factory specifications, this direct-fit alternator ensures reliable electrical output to keep your battery charged and all vehicle systems running properly. Choosing a Genuine Subaru OEM alternator over an aftermarket substitute guarantees a perfect fit, factory-validated performance, and long-term durability backed by Subaru's engineering standards.

Key Features & Benefits

• Genuine Subaru OEM Quality – Manufactured to the same specifications as the original unit installed at the factory, ensuring compatibility and reliability you can trust.
• Exact-Fit Replacement – Designed specifically for the 2005–2007 WRX and STI platform; no modifications or adapter brackets required for installation.
• Consistent Charging Output – Delivers stable voltage to protect sensitive electronics, the battery, and ignition system under all driving conditions including high-performance use.
• Factory-Validated Durability – Built with OEM-grade internals (rotor, stator, rectifier, and voltage regulator) to meet Subaru's strict longevity and thermal performance standards.
• Direct Plug-and-Play Wiring – OEM connector and mounting points match the original harness and engine bay brackets exactly, simplifying installation.
• Peace of Mind – As a Genuine Subaru part, it is eligible for coverage under Subaru's OEM parts warranty when installed by an authorized dealer or qualified technician.

What's Included

• 1x Genuine Subaru OEM Alternator (Part #23700AA8608A)

Specifications

Fitment & Compatibility

This Genuine Subaru OEM Alternator is compatible with the following vehicles:

Always verify your vehicle's VIN and existing part number before ordering to confirm fitment. Cross-reference OEM part number 23700AA8608A with your current alternator.

Installation

This alternator is a direct bolt-on replacement for the factory unit. Installation involves disconnecting the negative battery terminal, removing the serpentine/accessory belt, unbolting the alternator from the bracket, disconnecting the wiring harness and B+ terminal, and reversing the process with the new unit. Professional installation by a qualified technician or Subaru dealer is recommended to ensure proper torque specifications and electrical reconnection. No special programming or calibration is required after installation.