Subaru OEM PCV Hose Connector Subaru WRX 2012-2014 / Forester XT 2012-2013 | 11821AA670

Overview

The Genuine Subaru OEM PCV Hose Connector (Part #11821AA670) is an exact-fit replacement component for the Positive Crankcase Ventilation (PCV) system on the 2012–2014 Subaru WRX. Designed and manufactured to factory specifications, this connector ensures a secure, leak-free seal between the PCV hose and the engine, maintaining proper crankcase pressure and protecting engine longevity. If your WRX is experiencing rough idle, oil leaks, or failed emissions checks, a cracked or degraded PCV hose connector is often the culprit — and this OEM part restores factory performance instantly.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to the exact tolerances and material specifications as the original factory part, ensuring perfect fit and function every time.
• Exact-Fit Guarantee — Engineered specifically for the 2012–2014 Subaru WRX, eliminating the guesswork and fitment issues associated with universal or aftermarket alternatives.
• Durable Construction — Made from high-quality materials designed to withstand the heat cycles, oil vapors, and vacuum pressures of the PCV system over the long term.
• Maintains Proper Crankcase Ventilation — A properly functioning PCV connector prevents oil consumption, rough idle, and harmful crankcase pressure buildup that can damage engine seals and gaskets over time.
• Protects Emissions Compliance — Restores your WRX's PCV system to OEM function, helping your vehicle pass emissions tests and meet state inspection requirements.
• Covered by Subaru's Factory Warranty — As a genuine OEM component, this part is backed by Subaru's factory warranty, giving you peace of mind and confidence in your purchase.

What's Included

• 1x Genuine Subaru PCV Hose Connector — Part #11821AA670

Specifications

Fitment & Compatibility

This Genuine Subaru PCV Hose Connector (11821AA670) is designed for the following vehicles:

Always verify your vehicle's VIN and engine code before ordering. If you are unsure whether this part fits your specific WRX configuration, consult your Subaru dealer or reference your owner's manual.

Installation

The Subaru PCV Hose Connector is a straightforward bolt-on / clip-on replacement that most mechanically inclined owners can complete with basic hand tools. The connector is located in the engine bay as part of the PCV hose routing. It is recommended to inspect the associated PCV hose and grommets for wear during replacement. If you are unfamiliar with PCV system components or working on a turbocharged engine, professional installation by a qualified Subaru technician is advised to ensure a proper, leak-free installation.