{"product_id":"walker-350-34270-oxygen-sensor","title":"Walker 350-34270 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor for Mercedes-Benz E320\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34270 oxygen sensor is designed specifically for the Mercedes-Benz E320, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mercedes-Benz E320 models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e21.97 inches wiring harness length and 25.51 inches overall length\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34270 oxygen sensor is part of the Walker Products Aftermarket line, known for providing reliable emission control components tailored to specific vehicle applications. This sensor is a heated type, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings.\u003c\/p\u003e\u003cp\u003eWith a wiring harness length of 21.97 inches and an overall length of 25.51 inches, this sensor is engineered to fit precisely in the exhaust system of the Mercedes-Benz E320. The 18.0 mm threaded mounting type allows for straightforward installation, while the radiused polygon male connector ensures a secure and stable electrical connection. The 20 gauge wire measurement supports consistent signal integrity under various operating conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaintains proper air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by monitoring exhaust gases\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eSupports optimal fuel economy and engine responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for threaded sensor removal and installation\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness before installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten the sensor to prevent thread damage\u003c\/li\u003e\n\u003cli\u003eCheck for exhaust leaks after installation to ensure sensor accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors undergo rigorous testing to meet OEM specifications for fit, form, and function. The 350-34270 sensor is manufactured to provide consistent performance and durability in emission control systems. 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":43538128076981,"sku":"DKHD-350-34270","price":72.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034270_Fro.jpg?v=1774892033","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34270-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}