{"product_id":"bosch-13431-oxygen-sensor","title":"Bosch 13431 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Bosch Actual OE Oxygen Sensor 13431\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 13431 is designed specifically for Mercedes-Benz S320 models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor features a threaded mounting type and a durable metal housing for reliable operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz S320 vehicles\u003c\/li\u003e\n\u003cli\u003ePart number 13431 for exact fitment\u003c\/li\u003e\n\u003cli\u003eNarrow-band heated oxygen sensor type\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e14.4-inch wiring harness length with 4 wires and blade terminals\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade with steel finish\u003c\/li\u003e\n\u003cli\u003eConnector: round shape, male gender, 4 terminals\u003c\/li\u003e\n\u003cli\u003eOverall length of 18.1 inches for proper installation\u003c\/li\u003e\n\u003cli\u003eIncludes wiring harness for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Bosch Actual OE Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement solution for emission control sensors. This product line focuses on delivering precise sensor readings and durability, which are critical for maintaining factory-level engine management and emissions compliance. The 13431 sensor is part of this line, ensuring compatibility and performance for Mercedes-Benz S320 applications.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Bosch oxygen sensor 13431 is a narrow-band heated sensor designed to monitor oxygen levels in the exhaust gases of Mercedes-Benz S320 vehicles. The heated element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor features a threaded mounting type with an 18 mm diameter and a 22 mm hex size for easy installation. Its metal housing and steel finish provide durability under high-temperature conditions. The wiring harness is 14.4 inches long and includes four wires with blade terminals, connected via a round, male connector with four terminals, ensuring a secure and reliable electrical connection.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring correct catalytic converter operation\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emission regulations for Mercedes-Benz S320\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Mercedes-Benz S320 before installation\u003c\/li\u003e\n\u003cli\u003eUse a 22 mm oxygen sensor socket for removal and installation\u003c\/li\u003e\n\u003cli\u003eDo not overtighten; torque to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness and connector for damage before installation\u003c\/li\u003e\n\u003cli\u003eReplace sensor when engine performance or emissions issues are detected\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 13431 is manufactured to meet strict quality standards, ensuring reliable performance and durability. This sensor is a standard replacement grade part designed to match original equipment specifications. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44519283622069,"sku":"BBHK-13431","price":115.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_13431_Fro.jpg?v=1775059313","url":"https:\/\/www.partcatalog.com\/products\/bosch-13431-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}