{"product_id":"walker-350-34553-oxygen-sensor","title":"Walker 350-34553 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker 350-34553 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34553 oxygen sensor is designed specifically for select Mercedes-Benz models, including the 300E, 500SL, and S600. 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 sensor type for faster warm-up and accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for various Mercedes-Benz models such as 300E, 400SE, and C36 AMG\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with an 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with a radiused polygon female connector\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 11.34 inches and overall length of 14.88 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for reliable electrical performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-34553) is engineered to meet the specific requirements of Mercedes-Benz vehicles, including models like the E420, 500SEC, and SL320. The heated sensor design allows for quicker activation, improving emissions control during cold starts. Featuring a four-wire configuration, this sensor provides accurate voltage signals to the engine control unit, helping maintain efficient combustion and reduce harmful emissions.\u003c\/p\u003e\u003cp\u003eThe sensor’s threaded mounting type with an 18.0 mm diameter ensures secure installation in the exhaust system. Its radiused polygon female connector is designed for a precise fit, minimizing connection issues. The wiring harness length of 11.34 inches and overall length of 14.88 inches accommodate the specific routing requirements of the compatible Mercedes-Benz models.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on delivering reliable emission control components tailored to exact vehicle specifications. This oxygen sensor is part of that line, providing a direct replacement solution that aligns with original equipment standards for Mercedes-Benz vehicles. The product line emphasizes quality and fitment accuracy to support proper engine management and emissions compliance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eHelps reduce vehicle emissions to meet regulatory standards\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance issues caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports proper catalytic converter function by providing correct air-fuel data\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 oxygen sensor socket for threaded removal and installation\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle’s wiring harness (radiused polygon female)\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten; torque to manufacturer specifications for the 18.0 mm thread\u003c\/li\u003e\n\u003cli\u003eInspect wiring for damage before installation to ensure proper sensor function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for part number 350-34553 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure long-term reliability in Mercedes-Benz vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538348441781,"sku":"DKHD-350-34553","price":99.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034553_Fro_721249c5-705a-4046-be5e-08e69c6f7e15.jpg?v=1774892115","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34553-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}