{"product_id":"bosch-15738-oxygen-sensor","title":"Bosch 15738 Oxygen Sensor","description":"\u003ch2\u003eOverview of Bosch Universal Oxygen Sensor 15738\u003c\/h2\u003e\u003cp\u003eThe Bosch Universal Oxygen Sensor 15738 is designed to provide reliable emission control for a wide range of vehicles including Audi, BMW, Mercedes-Benz, and Volkswagen models. This narrow-band heated oxygen sensor offers a universal fit with a threaded mounting type, making it suitable for various automotive applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUniversal fit oxygen sensor compatible with multiple makes and models\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band sensor for accurate air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18 mm thread diameter and 22 mm hex size\u003c\/li\u003e\n\u003cli\u003eIncludes 23.3-inch wiring harness with 4 wires and male connector\u003c\/li\u003e\n\u003cli\u003eDurable metal housing finished in steel for long-lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Bosch Universal Oxygen Sensor 15738 features a 23.3-inch wiring harness and a total length of 27 inches, allowing flexible installation in various engine compartments. It uses a threaded terminal type with four female terminals and a round male connector, ensuring secure electrical connections. The sensor is a narrow-band heated type, which helps maintain optimal engine performance and emissions control by providing precise oxygen level data to the engine control unit (ECU). The sensor’s metal housing and steel finish contribute to its durability under high-temperature conditions.\u003c\/p\u003e\u003cp\u003eThis sensor is designed as a standard replacement part, making it suitable for maintenance and repair of emission control systems in vehicles such as the BMW 3 Series (318i, 320i, 330i), Audi A4 and A6 Quattro, Mercedes-Benz E320, Volkswagen Golf, and many others listed in the fitment section. The Bosch Universal Oxygen Sensor line is known for its broad compatibility and reliable performance across multiple vehicle brands.\u003c\/p\u003e\u003ch2\u003eAbout the Bosch Universal Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Bosch Universal Oxygen Sensor product line offers versatile emission control solutions that fit a wide range of vehicles. These sensors are engineered to meet OEM specifications for standard replacement applications, providing consistent sensor response and durability. The Universal Oxygen Sensor line simplifies inventory management by covering multiple makes and models with a single part number, such as the 15738.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel ratio readings for improved engine efficiency\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by ensuring accurate sensor feedback\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emission regulations for vehicles like Audi 9-3, BMW 325i, and Mercedes-Benz SL500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the threaded mounting hole is clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse a 22 mm oxygen sensor socket for proper tightening\u003c\/li\u003e\n\u003cli\u003eVerify wiring harness length and connector compatibility with your vehicle’s harness\u003c\/li\u003e\n\u003cli\u003eDo not overtighten to avoid damaging the sensor or threads\u003c\/li\u003e\n\u003cli\u003eCheck for any ECU codes after installation to confirm sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch oxygen sensors, including the Universal Oxygen Sensor 15738, are manufactured to meet strict quality standards for durability and performance. The sensor’s metal housing and heated design contribute to long service life under demanding conditions. While specific warranty details may vary, Bosch typically offers a limited warranty covering defects in materials and workmanship for replacement parts.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520568160437,"sku":"BBHK-15738","price":65.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_15738_Fro_4d54c62e-5ac3-4f93-bef7-97e5a9cfda01.jpg?v=1775059452","url":"https:\/\/www.partcatalog.com\/products\/bosch-15738-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}