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Killer B Motorsport Coolant Breather Fitting Assembly
Subaru WRX 2015-2021
Features & Product Details
RallySport Direct proudly carries a great selection of performance upgrades brought to you by the leaders in the Subaru fabrication industry, Killer B Motorsport.
This is the Killer B Motorsport Coolant Breather Fitting Assembly. On the FA20 WRX engine, the OEM breather/coolant fitting is made using plastic materials that can degrade over time, and eventually create a leak. And because of the multiple heat cycles, the OEM unit can break when performing maintenance that required removing or replacing the lines during an AOS install. Killer B has designed a proper solution by designing an aluminum unit that will provide you with long-lasting, and leak-free reliability.