{"product_id":"bosch-15377-oxygen-sensor","title":"Bosch 15377 Oxygen Sensor - Downstream Right","description":"\u003ch2\u003eReliable Oxygen Sensor for Infiniti QX4 Emission Control\u003c\/h2\u003e\u003cp\u003eThe Bosch Actual OE Oxygen Sensor 15377 is designed specifically for the Infiniti QX4, ensuring precise air-fuel mixture readings for optimal engine performance and emissions control. This narrow-band heated oxygen sensor provides accurate feedback to your vehicle’s engine management system, helping maintain efficient combustion and reduce harmful emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Infiniti QX4 models\u003c\/li\u003e\n\u003cli\u003ePart number 15377 for exact fit and function\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band oxygen sensor for fast response\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e32.5-inch wiring harness length with 4-wire blade terminals\u003c\/li\u003e\n\u003cli\u003eSquare male connector with 4 terminals included\u003c\/li\u003e\n\u003cli\u003eDurable metal housing with steel finish\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable performance\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 for factory-installed sensors. This product line focuses on delivering consistent sensor performance and durability, ensuring compatibility and reliable operation in emission control systems. The 15377 sensor maintains the integrity of your Infiniti QX4’s engine management system by accurately monitoring exhaust gases.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis Bosch oxygen sensor features a narrow-band heated design, which allows for quicker sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust stream. The sensor includes a 32.5-inch wiring harness with four wires and blade-type terminals, facilitating straightforward installation and secure electrical connections. The sensor’s metal housing and steel finish provide resistance to heat and corrosion, essential for long-term durability in harsh engine environments. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures a precise fit in the Infiniti QX4’s exhaust system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for engine control\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by optimizing combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining proper sensor feedback\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance issues caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Bosch 15377 oxygen sensor on your Infiniti QX4, ensure the engine and exhaust system are cool to avoid burns. Use the correct 22 mm hex socket for sensor removal and installation. Verify the wiring harness length and connector type match your vehicle’s specifications to ensure proper fitment. Avoid over-tightening the sensor to prevent thread damage. It is recommended to inspect the sensor wiring and connector for any signs of wear or corrosion before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eBosch oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 15377 is a standard replacement grade part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in product reliability.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520525693109,"sku":"BBHK-15377","price":77.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_15377_Fro.jpg?v=1775059407","url":"https:\/\/www.partcatalog.com\/products\/bosch-15377-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}