{"product_id":"walker-350-34585-oxygen-sensor","title":"Walker 350-34585 Oxygen Sensor - Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of Walker 350-34585 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34585 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A4 Quattro, A5 Quattro, and Q5. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire design for reliable operation\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Audi and Volkswagen models such as A4 Quattro, A5 Quattro, A6 Quattro, and Q5\u003c\/li\u003e\n\u003cli\u003e18.23-inch wiring harness length with 20-gauge wire for durability\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for exact fit and connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 21.77 inches to accommodate factory specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products Aftermarket Line Details\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components engineered to meet or exceed OEM specifications. The line emphasizes precise fitment and reliable sensor performance, making it suitable for maintaining emissions compliance and engine efficiency in specific vehicle applications.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34585 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The wiring harness length of 18.23 inches and 20-gauge wire gauge measurement provide durability and ease of routing during installation. The sensor’s radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter ensure a secure and precise fit for compatible Audi and Volkswagen models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi A4 Quattro, A5 Quattro, A6 Quattro, A7 Quattro, A8 Quattro, S4, S5, SQ5\u003c\/li\u003e\n\u003cli\u003eVolkswagen Polo, Q5, Vento\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen 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 oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor failure or slow response\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 malfunction\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. Use the correct tools to remove the old sensor and install the Walker 350-34585 oxygen sensor, taking care to avoid damaging the wiring harness or connector. Verify the radiused polygon male connector is fully seated and secure. Torque the sensor to manufacturer specifications to ensure proper sealing and function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34585 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability and performance.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538366464181,"sku":"DKHD-350-34585","price":70.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034585_Fro.jpg?v=1774892124","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34585-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}