{"product_id":"bosch-15445-oxygen-sensor","title":"Bosch 15445 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of Bosch Actual OE Oxygen Sensor 15445\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 15445 is designed specifically for the Infiniti QX4, ensuring precise fitment and reliable performance. This narrow-band heated oxygen sensor helps maintain optimal engine efficiency and emission control by accurately monitoring exhaust gases.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for Infiniti QX4 models\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band oxygen sensor for accurate readings\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e45.1-inch wiring harness length with 4-wire blade terminals\u003c\/li\u003e\n\u003cli\u003eDurable metal housing with steel finish\u003c\/li\u003e\n\u003cli\u003eConnector features a square shape with male terminals\u003c\/li\u003e\n\u003cli\u003eIncludes wiring harness for direct replacement\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for dependable operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Bosch oxygen sensor (part number 15445) is engineered with a 22 mm hex size for easy installation and removal. The sensor is a narrow-band type, heated to provide faster response times and improved fuel management. It includes a 45.1-inch wiring harness with four wires and blade terminals, ensuring secure electrical connections. The connector is male with a square shape, matching the original equipment specifications for the Infiniti QX4. The sensor’s metal housing and steel finish provide durability against harsh engine conditions. The threaded mounting type with an 18 mm thread diameter allows for a precise and secure fit without the need for additional mounting brackets.\u003c\/p\u003e\u003ch2\u003eAbout the Bosch Actual OE Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor line is designed to meet or exceed original equipment standards, providing a direct replacement for factory-installed sensors. This product line focuses on delivering reliable emission control components that maintain vehicle performance and comply with environmental regulations. The 15445 sensor is part of this line, ensuring compatibility and quality for Infiniti QX4 owners seeking a standard replacement oxygen sensor.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel mixture readings for improved engine performance\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports smooth acceleration and engine responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Bosch 15445 oxygen sensor on an Infiniti QX4, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s original sensor to avoid electrical issues. No mounting bracket is included, as the sensor mounts directly via its threaded design. Proper torque specifications should be followed to prevent damage to the sensor or exhaust components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Actual OE Oxygen Sensor 15445 is manufactured with high-quality materials, including a metal housing and heated sensor element, to ensure long service life. While specific warranty details are not provided here, Bosch typically offers coverage consistent with industry standards for emission control components.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520534638773,"sku":"BBHK-15445","price":110.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_15445_Fro.jpg?v=1775059417","url":"https:\/\/www.partcatalog.com\/products\/bosch-15445-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}