Replace part number：11810AA131, 11810AA130, SU00300132, SU00306103, V573, V589 Compatiable With: SUBARU BRZ 2013-2020 SUBARU CROSSTREK 2016-2017 SUBARU FORESTER 2011-2018 SUBARU IMPREZA 2012-2016 SUBARU IMPREZA R 2012 SUBARU LEGACY 2013-2019 SUBARU OUTBACK 2012-2019 SUBARU XV CROSSTREK 2013-2015 Compatible with 2013-2019 Subaru Outback,2013-2019 Subaru Legacy,2012-2016 Subaru Impreza,2011-2018 Subaru Forester Compatible with 2016-2017 Subaru Crosstrek,2013-2020 Subaru BRZ,2013-2015 Subaru XV Crosstrek The pcv valve prevents excessive pressure that could lead to oil leaks and gasket failures Valve is manufactured from durable, high-temperature-resistant materials that ensure long-lasting operation under extreme engine conditions Replacing a sticking PCV valve can address symptoms Subaru notes (e.g., erratic idle, tailpipe smoke, dipstick not staying seated) tied to PCV malfunctions