{"product_id":"denso-234-5107-air-fuel-ratio-sensor-upstream","title":"Denso 234-5107 Air \/ Fuel Ratio Sensor - Upstream","description":"\u003ch2\u003eOverview of the Denso OE Style Air\/Fuel Ratio Sensor 234-5107\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Air\/Fuel Ratio Sensor 234-5107 is engineered for precise emission control in select Audi, Porsche, and Volkswagen vehicles. Designed as a heated sensor with a specific fit, it ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated air\/fuel ratio sensor for reliable operation\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for Audi, Porsche, and Volkswagen models\u003c\/li\u003e\n\u003cli\u003e22.87-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eFive-wire configuration with male connector\u003c\/li\u003e\n\u003cli\u003eThread diameter of 0.711 inches for secure mounting\u003c\/li\u003e\n\u003cli\u003eRegular grade type for standard OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Denso air\/fuel ratio sensor features a heated sensor type that quickly reaches operating temperature, improving sensor response time and reducing emissions during cold starts. The 22.87-inch wiring harness length provides adequate reach for installation without excess slack. With five wires and a male connector, this sensor matches the original equipment specifications for a direct replacement. The thread diameter of 0.711 inches ensures compatibility with the designated exhaust ports. As part of the OE Style product line, this sensor is designed to meet original equipment standards for fit, form, and function, making it suitable for specific vehicle applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis sensor is compatible with a range of Audi, Porsche, and Volkswagen models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi A3, A3 Quattro, TT, TT Quattro, TTS Quattro\u003c\/li\u003e\n\u003cli\u003ePorsche 911\u003c\/li\u003e\n\u003cli\u003eVolkswagen CC, Eos, Golf, Golf R, GTI, Jetta, Passat, Passat CC\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use in emission control systems to monitor and regulate the air\/fuel mixture, helping maintain engine efficiency and reduce harmful exhaust emissions.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Denso 234-5107 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air\/fuel mixture readings causing poor fuel economy\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEngine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Verify the sensor thread diameter of 0.711 inches matches the exhaust port. Carefully route the 22.87-inch wiring harness to avoid contact with hot or moving parts. Confirm the five-wire connector is securely attached with the male connector properly seated. Follow manufacturer torque specifications when tightening the sensor.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Air\/Fuel Ratio Sensor 234-5107 is manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":52163109159093,"sku":"BBNF-234-5107","price":164.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2345107_Fro.jpg?v=1775590276","url":"https:\/\/www.partcatalog.com\/products\/denso-234-5107-air-fuel-ratio-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}