{"product_id":"walker-350-34427-oxygen-sensor","title":"Walker 350-34427 Oxygen Sensor","description":"\u003ch2\u003eOverview of Walker 350-34427 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34427 oxygen sensor 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 emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster activation\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Audi and Volkswagen vehicles\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e26.69 inches wiring harness length with 4 wires\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 30.24 inches for proper installation\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for reliable signal transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 350-34427) is engineered to meet the exact specifications of various Audi and Volkswagen models, including the A4 Quattro, A6 Quattro, A8 Quattro, EuroVan, Pointer, and Pointer Truck. Featuring a heated sensor element, it reaches operating temperature quickly, improving emissions control and fuel efficiency. The sensor’s 4-wire design supports both the heating element and signal transmission, while the radiused polygon male connector ensures a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sealing.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their commitment to providing vehicle-specific solutions that maintain emission compliance and engine performance. The 350-34427 sensor reflects Walker’s focus on durability and fitment accuracy for Audi and Volkswagen applications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel ratio monitoring in Audi A4 and Volkswagen Passat\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing accurate exhaust gas readings\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring efficient catalytic converter operation\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34427 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon shape matches the vehicle harness for a secure connection. Avoid twisting or stretching the 26.69-inch wiring harness during installation to maintain wire integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards. The 350-34427 part number is manufactured to provide consistent performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538265211061,"sku":"DKHD-350-34427","price":59.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034427_Fro_4cab30d0-4469-47c6-baea-edb3163d0050.jpg?v=1774892079","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34427-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}