{"product_id":"subaru-pcv-valve-11810aa141-for-forester-xt-2014-2018-wrx-2015-2021-oem-direct-fit-turbo-engine","title":"Subaru PCV Valve 11810AA141 for Forester XT 2014–2018 \u0026 WRX 2015–2021 OEM — Direct Fit, Turbo Engine","description":"\u003cp\u003e\u003cstrong\u003eGenuine Subaru PCV valve 11810AA141 engineered to replace the crankcase ventilation control valve on Forester XT 2.0 Turbo (2014–2018) and WRX models (2015–2021).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis OEM control valve regulates crankcase pressure and recirculates blow-by gases back into the intake on turbocharged Subaru engines. Built to factory specifications, part number 11810AA141 restores proper PCV function and matches Subaru's original fit, finish, and valve timing, making it a direct replacement without modification. Installing the correct valve helps the engine breathe as intended by the manufacturer and supports emission controls and turbocharger longevity when maintained properly.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this Subaru PCV valve affect engine performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failing or worn PCV valve with the genuine 11810AA141 helps maintain stable crankcase pressure and reduces oil vapor entering the intake tract. That stability can prevent rough idle, decrease oil consumption, and reduce carbon buildup on intake components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores designed crankcase ventilation flow for smoother idling.\u003c\/li\u003e\n  \u003cli\u003eLimits oil mist reaching intake and turbocharger components.\u003c\/li\u003e\n  \u003cli\u003eMaintains emissions control behavior to factory standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this part a direct fit for my Subaru Forester XT or WRX?\u003c\/h3\u003e\n\u003cp\u003eYes—this is an original equipment manufacturer (OEM) Subaru control valve with part number 11810AA141. It is produced to match the dimensions and connectors of the factory-installed valve so it installs in the same location without adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Forester XT 2.0 Turbo model years 2014–2018.\u003c\/li\u003e\n  \u003cli\u003eFits WRX model years 2015–2021.\u003c\/li\u003e\n  \u003cli\u003eNo modifications required; sockets and clips align with factory mounts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace the PCV valve and what are the signs of failure?\u003c\/h3\u003e\n\u003cp\u003eReplace the PCV valve if you notice oil in the intake, increased oil consumption, a rough or fluctuating idle, or a check-engine light related to crankcase ventilation codes. Periodic inspection during routine maintenance helps catch early wear before secondary issues develop.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVisible oil in intake hoses or intercooler piping.\u003c\/li\u003e\n  \u003cli\u003eUnexplained oil loss or smoky blow-by.\u003c\/li\u003e\n  \u003cli\u003eRough idle, hesitations, or ventilation-related diagnostic trouble codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the OEM Subaru PCV valve?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for a home mechanic with basic tools: locate the valve on the rocker cover or intake tract, disconnect the vacuum hose and electrical connector if present, remove the retaining clip, and replace with the OEM part. Always follow torque specs and inspect nearby hoses for deterioration while replacing the valve.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery and relieve intake pressure before starting.\u003c\/li\u003e\n  \u003cli\u003eRemove clamps and retaining clips in factory order to avoid damage.\u003c\/li\u003e\n  \u003cli\u003eCheck and replace any brittle vacuum hoses or seals during service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this part is for: Owners and technicians servicing turbocharged Subaru Forester XT (2014–2018) and WRX (2015–2021) who want a like-for-like replacement that matches factory specifications. Choose this genuine Subaru 11810AA141 control valve if you prefer OEM fitment, reliable performance, and the confidence of a Subaru-numbered part when addressing crankcase ventilation issues during routine maintenance or repair.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is 11810AA141 an OEM Subaru part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. 11810AA141 is a genuine Subaru control (PCV) valve manufactured to factory specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 2016 WRX?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This valve fits WRX model years 2015 through 2021, including 2016.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Subaru","offers":[{"title":"Default Title","offer_id":48086141468830,"sku":"B01MPY6TDK","price":49.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/subaru-pcv-valve-front-view.jpg?v=1785886432","url":"https:\/\/northtrailauto.ca\/products\/subaru-pcv-valve-11810aa141-for-forester-xt-2014-2018-wrx-2015-2021-oem-direct-fit-turbo-engine","provider":"North Trail Auto","version":"1.0","type":"link"}