{"product_id":"denso-234-4664-oxygen-sensor","title":"Denso 234-4664 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eOverview of Denso OE Style Oxygen Sensor 234-4664\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4664 is designed specifically for select Audi and Volkswagen models, including the A4, A6, A8, Golf, Jetta, Passat, and EuroVan. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster activation and improved efficiency\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Audi and Volkswagen vehicles, including Quattro models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708-inch thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design with male connector for reliable electrical connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 30.91 inches to accommodate factory routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line from Denso focuses on delivering oxygen sensors that meet original equipment specifications. This ensures compatibility and performance consistent with factory-installed parts. The 234-4664 sensor maintains the quality and fitment standards expected in Audi and Volkswagen vehicles, providing a direct replacement solution without modification.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a heated element to reduce warm-up time, allowing the engine control unit to receive accurate oxygen level data sooner. The four-wire configuration supports both the sensor signal and heater circuit, enhancing responsiveness and durability. The threaded mounting type with a 0.708-inch diameter ensures a secure fit in the exhaust system. The 30.91-inch wiring harness length is designed to match the original sensor’s routing, simplifying installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps correct engine misfires caused by inaccurate air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing precise oxygen level data to the ECU\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by enabling proper combustion adjustments\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and poor acceleration linked to sensor failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4664 oxygen sensor, ensure the vehicle is compatible with this specific fit sensor, including Audi A4, A6, A8, and Volkswagen Golf, Jetta, Passat, and EuroVan models. Use appropriate tools to avoid damaging the threaded mounting. Verify the wiring harness length and connector gender match the factory setup to ensure proper connection. It is recommended to replace the sensor when the engine is cool to prevent burns and to apply anti-seize compound on the threads if not pre-applied.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso OE Style oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The 234-4664 part undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s longevity and function.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43977108095157,"sku":"BBNF-234-4664","price":67.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344664_Fro.jpg?v=1775007388","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4664-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}