{"product_id":"oil-separator-engine-crankcase-vent-valve-for-audi-a4-a5-tt-vw-golf-passat-14-18","title":"Oil Separator Engine Crankcase Vent Valve for Audi A4 A5 TT VW Golf Passat 14-18","description":"\u003cstrong\u003eThis Oil Separator \/ Engine Crankcase Vent Valve is a direct-replacement emissions and pressure control component compatible with 2014–2018 Audi A4, A5, TT, and Volkswagen Golf and Passat models.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e This crankcase vent valve (oil separator) manages blow-by gases, separating oil mist from air and returning oil to the sump while routing clean air back to the intake. Designed for specific VAG 2.0T engines, the oil separator helps prevent oil consumption, intake valve carbon buildup, and rough idle. It is a common service part for Audi and VW owners experiencing PCV-related issues. \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePrecision diaphragm and spring mechanism maintains consistent crankcase pressure\u003c\/li\u003e \u003cli\u003eIntegral oil separation cyclone effectively removes oil droplets from vapor\u003c\/li\u003e \u003cli\u003eDirect-fit replacement matches OE mounting points and hose connections\u003c\/li\u003e \u003cli\u003eHigh-temperature resistant polymer body withstands engine bay heat cycles\u003c\/li\u003e \u003cli\u003eIncludes pre-installed gasket for a leak-free seal\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e2014–2018 Audi A4 (B8\/8.5) 2.0T\u003c\/li\u003e \u003cli\u003e2014–2018 Audi A5 (B8\/8.5) 2.0T\u003c\/li\u003e \u003cli\u003e2014–2018 Audi TT (8S) 2.0T\u003c\/li\u003e \u003cli\u003e2014–2018 Volkswagen Golf \/ GTI (Mk7) 1.8T\/2.0T\u003c\/li\u003e \u003cli\u003e2014–2018 Volkswagen Passat (B7) 1.8T\/2.0T\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacing a failed original oil separator causing oil leaks or high crankcase pressure\u003c\/li\u003e \u003cli\u003eSolving rough idle, misfire, or lean codes (P0171, P0507)\u003c\/li\u003e \u003cli\u003eReducing excessive oil consumption and smoke from exhaust\u003c\/li\u003e \u003cli\u003ePreventive maintenance during intake manifold or water pump service\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Crankcase ventilation and oil mist separation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-stabilized engineered plastic\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Bolt-on, replaces factory unit\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Parts:\u003c\/strong\u003e Valve assembly with integrated diaphragm and gasket\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are signs that this oil separator needs replacement? \u003cstrong\u003eA:\u003c\/strong\u003e Common symptoms include a rough idle, oil around the valve cover, a check engine light with PCV-related fault codes, and increased oil consumption.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this fit a 2016 Audi A5 Quattro? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it fits 2014–2018 Audi A5 models with the 2.0T engine, including Quattro versions. Verify your engine type before ordering.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679707717905,"sku":"ZZ3A00128","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_8f95b083-8ed8-422d-ae56-a7ead6f97f30.jpg?v=1781654069","url":"https:\/\/www.duraforce.com\/products\/oil-separator-engine-crankcase-vent-valve-for-audi-a4-a5-tt-vw-golf-passat-14-18","provider":"DURAFORCE","version":"1.0","type":"link"}