Subaru OEM PCV Valve BRZ 13-20 / Crosstrek 13-17 / Forester 11-18 / Impreza 12-16 / Legacy / Outback 13-19 | 11810AA131

Overview

The Genuine Subaru OEM PCV (Positive Crankcase Ventilation) Valve, part number 11810AA131, is a factory-original replacement designed to maintain proper crankcase pressure and reduce harmful emissions in your Subaru vehicle. This exact-fit OEM component ensures your engine breathes efficiently, protecting against oil contamination, sludge buildup, and premature wear. Ideal for Subaru owners who demand factory-quality reliability and a guaranteed perfect fit.

Key Features & Benefits

• Genuine Subaru OEM Part — Manufactured to Subaru's exact factory specifications, ensuring performance identical to the original component installed at the factory.
• Exact-Fit Guarantee — Engineered specifically for compatible Subaru models; no modifications or adapters required for installation.
• Optimized Crankcase Ventilation — Regulates crankcase pressure precisely, preventing oil leaks, rough idle, and excess oil consumption caused by a failing PCV valve.
• Emissions Compliance — Helps maintain proper emissions system function and keeps your Subaru running within factory emissions standards.
• Protects Engine Longevity — Prevents moisture and combustion gases from contaminating engine oil, reducing sludge buildup and extending engine life.
• Factory Warranty Backed — Covered by Subaru's genuine parts warranty for peace of mind.

What's Included

• 1x Genuine Subaru OEM PCV Valve (Part No. 11810AA131)

Specifications

Fitment: 

2013-2020 Subaru BRZ
2013-2017 Subaru Crosstrek
2011-2018 Subaru Forester
2012-2016 Subaru Impreza
2013-2019 Subaru Legacy
2013-2019 Subaru Outback

Installation

The Subaru OEM PCV Valve 11810AA131 is a straightforward bolt-on replacement for experienced DIYers. It typically involves locating the existing PCV valve on the valve cover or intake manifold, disconnecting the hose, and swapping in the new unit. Basic hand tools are all that's required. If you are unfamiliar with PCV system service, installation by a qualified technician is recommended to ensure proper fitment and engine performance.

Why Choose a Genuine Subaru OEM PCV Valve?

Is this a genuine Subaru part? Yes — part number 11810AA131 is a factory-original Genuine Subaru OEM component, not an aftermarket substitute. OEM parts are built to the same standards as the parts installed during vehicle manufacturing, ensuring correct fit, function, and longevity that aftermarket alternatives may not match.