Subaru OEM Vacuum Hose | 22684AA161

Overview

The Genuine Subaru OEM Vacuum Hose (Part #22684AA161) is a factory-original replacement hose designed to maintain precise boost and vacuum pressure in your turbocharged Subaru engine. This exact-fit OEM component is engineered specifically for 2008–2010 and 2012–2014 WRX, 2005–2007 and 2009 Legacy GT and Outback XT, 2009–2010 Impreza GT, and 2009–2013 Forester XT models, ensuring reliable performance and a seamless installation. Replacing a cracked or degraded vacuum hose with a genuine Subaru part restores proper boost control and protects sensitive engine management components.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to exact factory specifications, ensuring proper fit and function without modification.
• Exact-Fit Replacement — Engineered specifically for turbocharged EJ-series Subaru engines; no trimming or adapters required.
• Factory-Grade Materials — Constructed from heat- and pressure-resistant rubber compounds that withstand the demanding underhood environment of a turbocharged application.
• Maintains Boost & Vacuum Integrity — Prevents vacuum leaks that can cause boost anomalies, rough idle, poor fuel trims, and check-engine codes.
• Backed by Subaru's Factory Warranty — Covered under Subaru's genuine parts warranty when installed on an eligible vehicle.
• Direct OEM Cross-Reference — Subaru Part Number 22684AA161 matches factory service manual specifications for the applicable model years.

What's Included

• 1x Genuine Subaru Vacuum Hose — Part #22684AA161

Specifications

Fitment & Compatibility

This genuine Subaru vacuum hose is confirmed to fit the following vehicles:

2009-2013 Subaru Forester XT

2009-2010 Subaru Impreza GT

2005-2007 Subaru Legacy GT

2009 Subaru Legacy GT

2005-2007 Subaru Outback XT

2009 Subaru Outback XT

2008-2010 Subaru WRX

2012-2014 Subaru WRX

Always verify fitment using your vehicle's VIN before ordering. Consult your Subaru parts diagram or a certified Subaru dealer to confirm this part number applies to your specific build date and market.

Installation

This vacuum hose is a direct bolt-on (clip-on) OEM replacement requiring no cutting, splicing, or special tools. Most experienced DIYers can complete the swap with basic hand tools in under 30 minutes. Inspect surrounding hoses and clamps for wear during replacement. For best results, ensure the engine is cool before removing any boost or vacuum lines. Professional installation is recommended if you are unfamiliar with turbocharged engine vacuum systems.