Subaru OEM PCV Oil Connector Subaru WRX / STI 2009-2014 | 11821AA640

Product Fitment:

• 2010–2013 Subaru Forester XT 2.5L Turbo

• 2009–2011 Subaru Impreza 2.5 GT

• 2009–2014 Subaru WRX 2.5L Turbo

• 2009–2014 Subaru STI 2.5L Turbo

Overview

The Genuine Subaru OEM PCV Oil Connector (Part #11821AA640) is a factory-replacement component designed to maintain the integrity of your Subaru's Positive Crankcase Ventilation (PCV) system. Engineered to exact OEM specifications, this connector ensures a secure, leak-free link between the PCV valve and the engine's oil system — preserving proper crankcase pressure regulation and protecting your engine from harmful oil vapor buildup. Ideal for Subaru owners seeking a precise, guaranteed-fit replacement that restores factory performance.

Key Features & Benefits

• Genuine Subaru OEM Part — Manufactured to the same specifications as the original component installed at the factory, ensuring exact fit and reliable performance with no modifications required.
• Exact-Fit Guarantee — Designed specifically for compatible Subaru models; eliminates guesswork and the risk of ill-fitting aftermarket alternatives.
• Leak-Free Seal — Precision-molded connector maintains a secure, airtight connection within the PCV circuit, preventing oil vapor leaks and protecting surrounding engine components.
• Factory Warranty Coverage — As a genuine Subaru OEM part, this connector is backed by Subaru's standard OEM parts warranty for added peace of mind.
• Preserves Engine Health — Proper PCV system function reduces internal engine pressure, minimizes oil consumption, and helps prevent premature engine wear.
• Durable OEM-Grade Materials — Constructed from high-quality materials engineered to withstand the heat, pressure, and chemical exposure typical in Subaru engine bays.

What's Included

• 1x Genuine Subaru PCV Oil Connector — Part #11821AA640

Installation

The Subaru OEM PCV Oil Connector (11821AA640) is a direct OEM replacement and is designed for straightforward installation without modification. Basic mechanical knowledge and standard hand tools are typically sufficient. For those unfamiliar with PCV system service, installation by a qualified Subaru technician or certified mechanic is recommended to ensure proper seating and a leak-free connection. Always allow the engine to cool completely before beginning any work on the PCV or engine oil systems.