Description
Product Overview
The ApplianPar PCV valve (model 11821-AA660) is a high‑quality replacement designed for a range of Subaru vehicles. Constructed from lightweight yet durable aluminum, it provides excellent resistance to corrosion and heat. Engineered to match OEM specifications, the valve ensures optimal crankcase ventilation, reducing harmful emissions and protecting engine components. Specifications include a weight of 3.52 ounces and a precise fit for models such as the BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, WRX STI, and XV Crosstrek.
Usage
This valve is ideal for everyday driving, performance tuning, and routine maintenance. Whether you are a DIY owner restoring a Subaru or a shop technician performing a quick swap, the ApplianPar PCV valve fits seamlessly into the existing PCV system. It operates efficiently in both city traffic and demanding off‑road conditions, ensuring consistent engine breathing and emission compliance.

Why Choose Us
ApplianPar combines rigorous engineering with strict quality control, delivering a product that meets or exceeds OEM standards. Each valve undergoes thorough testing for flow consistency and durability. Our commitment to precision machining guarantees a perfect seal, eliminating leaks and reducing maintenance intervals. Backed by a strong reputation in the automotive aftermarket, ApplianPar offers confidence and reliability for every installation.
Key Features
- Precision‑machined aluminum body for lightweight durability
- Exact OEM fit for a wide range of Subaru models (2011‑2024)
- Optimizes crankcase ventilation to improve engine longevity
- Reduces emissions to help meet environmental regulations
- Easy bolt‑on installation with no additional modifications required
FAQ
Is this PCV valve compatible with my 2015 Subaru WRX?
Yes, the ApplianPar PCV valve is listed as compatible with Subaru WRX models from 2015 to 2016, providing a direct replacement for the factory unit.
Do I need any special tools to install the valve?
Installation requires standard hand tools such as a socket set and a torque wrench. No specialized equipment is necessary.
How does the aluminum construction benefit my vehicle?
Aluminum offers excellent heat resistance and corrosion protection, ensuring the valve maintains consistent performance under high‑temperature engine conditions.
Can I use this valve on a Subaru Outback from 2018?
Yes, the valve is compatible with Subaru Outback models from 2013 to 2019, including the 2018 year.
What warranty does ApplianPar provide?
ApplianPar offers a limited one‑year warranty covering manufacturing defects, giving you peace of mind with your purchase.







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