{"product_id":"bosch-16438-oxygen-sensor","title":"Bosch 16438 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eReliable Oxygen Sensor for Mercedes-Benz Vehicles\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 16438 is designed specifically for select Mercedes-Benz models, including the CL65 AMG, CL600, E280, E300, E350, E550, S65 AMG, and S600. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Bosch\u003c\/li\u003e\n\u003cli\u003eBrand Line: Actual OE Oxygen Sensor\u003c\/li\u003e\n\u003cli\u003ePart Number: 16438\u003c\/li\u003e\n\u003cli\u003eFitment: Mercedes-Benz CL65 AMG, CL600, E280, E300, E350, E550, S65 AMG, S600\u003c\/li\u003e\n\u003cli\u003eOxygen Sensor Type: Narrow-band heated\u003c\/li\u003e\n\u003cli\u003eWiring Harness Length: 14.8 inches\u003c\/li\u003e\n\u003cli\u003eOverall Length: 18.1 inches\u003c\/li\u003e\n\u003cli\u003eThread Size: 18 mm diameter, 22 mm hex size\u003c\/li\u003e\n\u003cli\u003eConnector: Female, round shape with 4 terminals and pins\u003c\/li\u003e\n\u003cli\u003eMounting Type: Threaded\u003c\/li\u003e\n\u003cli\u003eHousing Material: Metal with steel finish\u003c\/li\u003e\n\u003cli\u003eWire Quantity: 4\u003c\/li\u003e\n\u003cli\u003eWiring Harness Included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Bosch Actual OE Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and reliable performance for emission control systems in Mercedes-Benz vehicles. The 16438 sensor maintains the integrity of the vehicle’s exhaust monitoring system with precise narrow-band heated sensing technology.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Bosch oxygen sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for secure installation. The sensor includes a 14.8-inch wiring harness and a total length of 18.1 inches, allowing for proper fitment in the specified Mercedes-Benz models. The connector is female with a round shape and four terminals, designed for a specific fit rather than universal application. The sensor is constructed with a durable metal housing finished in steel, supporting long-term durability under high-temperature exhaust conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel mixture readings for improved engine efficiency\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper exhaust gas monitoring\u003c\/li\u003e\n\u003cli\u003ePrevents poor fuel economy caused by faulty sensor readings\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine idling and performance in Mercedes-Benz models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires a 22 mm oxygen sensor socket or wrench. Ensure the vehicle is cool before removal to avoid burns. The sensor’s threaded design allows for straightforward replacement, but care should be taken to avoid cross-threading. The wiring harness included should be connected securely to the female round connector with four terminals. No mounting bracket is included, so use the existing mounting point on the vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch oxygen sensors are manufactured to meet strict quality standards and are designed as standard replacement parts. The Actual OE Oxygen Sensor 16438 undergoes rigorous testing to ensure reliable performance and durability. While specific warranty details are not provided here, Bosch typically offers coverage consistent with OEM replacement parts.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520617017525,"sku":"BBHK-16438","price":100.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_16438_Fro.jpg?v=1775059503","url":"https:\/\/www.partcatalog.com\/products\/bosch-16438-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}