{"product_id":"walker-350-34227-oxygen-sensor","title":"Walker 350-34227 Oxygen Sensor","description":"\u003ch2\u003eWalker 350-34227 Oxygen Sensor for OE-Style Emissions Repair\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensor 350-34227 is a specific-fit heated sensor engineered as an OE-style replacement for select Audi, Porsche, and Volkswagen applications. It is built to deliver the diagnostic feedback the ECU expects, helping restore proper air-fuel monitoring on downstream and upstream positions where listed.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with specific fitment for targeted vehicle applications\u003c\/li\u003e\n\u003cli\u003e4-wire design with 22-gauge wiring and a 24.13 in. harness length\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eMale connector with radiused polygon connector shape\u003c\/li\u003e\n\u003cli\u003eOverall length: 27.68 in.\u003c\/li\u003e\n\u003cli\u003eWalker Products Aftermarket part number 350-34227\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker Products Engine Management and Oxygen\/Air-Fuel sensors are developed as Original Equipment Manufacturer replacement parts for a wide range of vehicles. This sensor is designed for the specified application and position so the ECU receives the correct feedback for emissions and fuel-control monitoring. For Audi A8 Quattro, RS7, S6, S7, and S8 models, as well as Porsche Cayenne and Volkswagen Passat, CC, Tiguan, and Saveiro applications, correct sensor placement is critical for accurate system operation. Part number 350-34227 is a direct-fit emissions control sensor for select downstream right, downstream left, upstream, and downstream positions listed below.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket focuses on engine management and oxygen\/air-fuel sensor coverage for modern vehicles, with application-specific fitment and catalog support for repair professionals and DIY buyers working on Audi, Porsche, and Volkswagen emissions systems.\u003c\/p\u003e\u003ch2\u003eWhat This Sensor Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light related to oxygen sensor performance\u003c\/li\u003e\n\u003cli\u003ePoor engine operation caused by incorrect air-fuel feedback\u003c\/li\u003e\n\u003cli\u003eIncreased fuel consumption from inaccurate sensor readings\u003c\/li\u003e\n\u003cli\u003eElevated exhaust emissions from a failing heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003eFault codes stored in the ECU for the affected sensor circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2015-2018 Audi A8 Quattro, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Audi RS7, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Audi S6, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Audi S7, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Audi S8, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2016-2018 Porsche Cayenne, downstream left.\u003c\/li\u003e\n\u003cli\u003eFits 2014 Porsche Cayenne, downstream left.\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Volkswagen Saveiro, upstream.\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Volkswagen Saveiro, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2012-2014 Audi A8 Quattro, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Audi A8 Quattro, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2014 Audi RS7, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Audi S6, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Audi S7, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Audi S8, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2013 Porsche Cayenne, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2012 Porsche Cayenne, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2011 Audi A6 Quattro, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2007-2011 Audi S6, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2006-2010 Volkswagen Passat, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2010 Volkswagen Passat, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2009 Volkswagen CC, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2009 Volkswagen Tiguan, downstream.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBefore installation, verify the connector shape, wire count, thread diameter, and sensor position against the original part. Inspect the sensor wiring harness and connector for damage, since damaged wiring can shorten sensor life and trigger recurring fault codes. For Audi A8 Quattro downstream right oxygen sensor replacement, Porsche Cayenne downstream left sensor service, or Volkswagen Passat downstream oxygen sensor repair, confirm the exact bank and sensor location before installation. Part number 350-34227 should be matched to the listed application only.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products has supplied engine management and fuel system components since 1946 and operates with Automotive ISO 9001 \/ TS 16949 certification. The brand’s OE-style sensor development and application-specific cataloging support accurate replacement selection for emissions control repairs.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":51870211571893,"sku":"DKHD-350-34227","price":77.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034227_Fro.jpg?v=1774892021","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34227-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}