{"product_id":"denso-234-4414-oxygen-sensor-downstream-or-downstream-right","title":"Denso 234-4414 Oxygen Sensor - Downstream or Downstream Right","description":"\u003ch2\u003eDenso OE Style Oxygen Sensor for Audi\u003c\/h2\u003e\u003cp\u003eDenso 234-4414 is an OE Style heated oxygen sensor built for direct replacement on select Audi applications. It is engineered for a specific fit, with a threaded mounting design, 4-wire connector layout, and a 28.35-inch wiring harness for clean integration on the vehicle.\u003c\/p\u003e\u003cp\u003eFor drivers searching for an Audi A4 Quattro downstream right oxygen sensor or an Audi A6 Quattro downstream oxygen sensor, this Denso part number 234-4414 is built to match the original sensor style and connection requirements.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for precise exhaust monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit design for direct replacement\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with male connector\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003e28.35-inch wiring harness length\u003c\/li\u003e\n\u003cli\u003eOE Style construction for select Audi downstream applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOE Style Construction\u003c\/h2\u003e\u003cp\u003eDenso’s OE Style line is built to the same dimensional and performance expectations used in original equipment service. The sensor element is protected by Denso’s aluminum oxide trap layer, which helps shield the ceramic element from silicone and lead contamination. That design supports stable sensor response, consistent engine management feedback, improved fuel efficiency, and longer service life in demanding exhaust conditions.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 15157 and NTK 25083 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Sensor Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light concerns related to oxygen sensor performance\u003c\/li\u003e\n\u003cli\u003eIncorrect downstream exhaust feedback on Audi A4, A4 Quattro, A6, A6 Quattro, and Q7 applications\u003c\/li\u003e\n\u003cli\u003eFuel trim issues caused by a worn or slow-responding sensor\u003c\/li\u003e\n\u003cli\u003eEmissions test failures tied to sensor signal degradation\u003c\/li\u003e\n\u003cli\u003eRough drivability caused by inaccurate exhaust oxygen readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Installation Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2011-2015 Audi Q7, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2005-2011 Audi A6 Quattro, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2007-2009 Audi A4 Quattro, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2006-2009 Audi A6, downstream.\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 Audi A4, downstream right.\u003c\/li\u003e\n\u003cli\u003eFits 2006 Audi A4, downstream right, from chassis #8E-6-035 001.\u003c\/li\u003e\n\u003cli\u003eFits 2006 Audi A4 Quattro, downstream right, from chassis #8E-6-035 001.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm the connector style, wire routing, and downstream right or downstream location before installation. Use the vehicle’s original sensor placement and thread specification to verify the correct Audi oxygen sensor replacement. Denso 234-4414 is intended for direct replacement on the listed applications and should be installed with care to avoid damage to the sensing element or threads.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDenso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The OE Style design and contamination-resistant sensor protection reflect Denso’s focus on consistent replacement performance for Audi emissions control systems.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":52705295138997,"sku":"BBNF-234-4414","price":144.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344414_Fro.jpg?v=1781416928","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4414-oxygen-sensor-downstream-or-downstream-right","provider":"PartCatalog","version":"1.0","type":"link"}