{"product_id":"denso-234-5125-air-fuel-ratio-sensor","title":"Denso 234-5125 Air \/ Fuel Ratio Sensor - Upstream or Upstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Air \/ Fuel Ratio Sensor\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Air \/ Fuel Ratio Sensor 234-5125 is designed for precise emission control in select Audi, Porsche, and Volkswagen vehicles. This heated sensor ensures accurate air-fuel mixture readings to support 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 Audi A3 Quattro, Porsche Cayenne, Volkswagen R32, and more\u003c\/li\u003e\n\u003cli\u003e14.57-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eFive-wire configuration with male connector\u003c\/li\u003e\n\u003cli\u003e0.711 thread diameter for secure mounting\u003c\/li\u003e\n\u003cli\u003eRegular grade type for reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Denso 234-5125 air\/fuel ratio sensor is engineered to provide accurate oxygen level readings in the exhaust stream, enabling the engine control unit to adjust fuel delivery efficiently. Featuring a heated sensor element, it reaches operating temperature quickly, reducing emissions during cold starts. The 14.57-inch wiring harness length and five-wire setup with a male connector ensure compatibility and ease of connection with the vehicle’s existing wiring. This sensor is a specific fit for models including the Audi A3 Quattro, Porsche Cayenne, Volkswagen Eos, Q7, R32, Touareg, and TT Quattro, ensuring proper integration without modification.\u003c\/p\u003e\u003cp\u003eThis sensor is part of Denso's OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is designed to meet or exceed factory specifications, providing a direct replacement that maintains the vehicle’s emission control system integrity.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps correct inaccurate air\/fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eResolves engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper fuel combustion\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by maintaining optimal air\/fuel ratios\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is compatible: Audi A3 Quattro, Porsche Cayenne, Volkswagen Eos, Q7, R32, Touareg, TT Quattro\u003c\/li\u003e\n\u003cli\u003eVerify the connector type matches the vehicle’s wiring harness (male connector)\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for the 0.711 thread diameter sensor installation\u003c\/li\u003e\n\u003cli\u003eHandle the sensor carefully to avoid damage to the heated element\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso OE Style sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 234-5125 part number undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Denso products typically include coverage against defects in materials and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43978971513013,"sku":"BBNF-234-5125","price":116.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2345125_Fro.jpg?v=1775007461","url":"https:\/\/www.partcatalog.com\/products\/denso-234-5125-air-fuel-ratio-sensor","provider":"PartCatalog","version":"1.0","type":"link"}