{"product_id":"denso-234-4809-oxygen-sensor","title":"Denso 234-4809 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4809\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4809 is designed for precise emission control in select Audi, Bentley, Porsche, and Volkswagen vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for models including Audi A4 Quattro, Bentley Continental, Porsche Cayenne, and Volkswagen Golf\u003c\/li\u003e\n\u003cli\u003e67.32-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with male connector for reliable electrical connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4809 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 67.32-inch wiring harness length provides ample reach for installation in the exhaust system. The sensor is designed with a threaded mounting type and a 0.708-inch thread diameter, ensuring a secure and precise fit. The four-wire configuration with a male connector supports proper signal transmission and heater circuit operation. This sensor is a specific fit for various models such as the Audi A4, A8 Quattro, Bentley Continental, Porsche Cayenne, and Volkswagen Passat, among others.\u003c\/p\u003e\u003ch2\u003eAbout the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line from Denso focuses on delivering parts that meet original equipment specifications for fit, form, and function. The 234-4809 oxygen sensor is engineered to match the performance and durability standards of the original sensor installed by the vehicle manufacturer. This ensures compatibility and reliable operation within the emission control system of the specified vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel ratio management\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring correct fuel mixture adjustments\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emission regulations for Audi, Bentley, Porsche, and Volkswagen models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4809 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the sensor’s connector matches the vehicle’s male connector and confirm the thread diameter fits the exhaust port. Proper torque specifications should be followed to prevent leaks or sensor damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4809 sensor is backed by Denso’s quality assurance protocols. Please refer to Denso’s warranty terms for specific coverage details.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43977510289589,"sku":"BBNF-234-4809","price":87.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344809_Fro.jpg?v=1775007419","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4809-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}