OE Number:11810AA131/11810AA130/11810-AA131/11810-AA130Fitment for Subaru Forester X, X Limited, X Premium, X Touring 2.5L 2011-2013 for Subaru Forester 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring 2014-2018 for Subaru Outback 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring 2013-2019 for Subaru Legacy 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport 2013-2019 for Subaru Impreza 20B Base, Limited, Premium, Sport Limited, Sport Premium 2012-2016 for Subaru BRZ 2.0L 2013-2020 for Subaru Crosstrek 2.0L 2016-2017 for Subaru XV Crosstrek Hybrid 2.0L 2014-2015 Specification Material: Metal, Plastic Size: 42.3x21.6mm/1.66x0.85in(L*W) This is a non-OEM product, accessory only! Include 1x PCV Control Valve Product Characteristics: Durable Construction: Built with good quality materials to withstand heat, vibration. Designed to maintain engine vacuum and prevent backflow. Prevents rough idling, engine misfires, and poor acceleration caused by a clogged or faulty valve. Prevents blow-by gases from building up in the crankcase, keeping engine oil cleaner longer. Installation: 1.Locate the PCV valve on the valve cover or intake manifold. 2.Disconnect the hose carefully. 3.Remove the old valve by unscrewing or pulling it out. 4.Install the new valve, ensuring it's secure. 5.Reconnect the hose. 6.Start the engine and check for leaks.