{"product_id":"ntk-24543-oxygen-sensor","title":"NTK 24543 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 24543\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 24543 is engineered specifically for Nissan Pathfinder and Infiniti QX4 models. This heated oxygen sensor ensures precise air-fuel mixture readings to support optimal engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Nissan Pathfinder and Infiniti QX4\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18mm thread diameter\u003c\/li\u003e\n\u003cli\u003e49.75-inch wiring harness length with 4 wires\u003c\/li\u003e\n\u003cli\u003ePart number 24543 for accurate identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 49.75-inch wiring harness length provides ample reach for installation in the engine bay, while the 4-wire configuration supports both sensor heating and signal transmission. The threaded mounting type with an 18mm diameter ensures a secure and precise fit in the exhaust system. Designed as a specific fit part, it is compatible with select Nissan and Infiniti models, including the Pathfinder and QX4.\u003c\/p\u003e\u003ch2\u003eAbout the NTK Direct Fit Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Direct Fit Oxygen Sensor line by NTK is designed to provide exact replacement sensors that match OEM specifications. These sensors are engineered for direct installation without modification, ensuring reliable performance and compatibility. The 24543 sensor is part of this line, offering a precise fit and function for the Nissan Pathfinder and Infiniti QX4, helping maintain proper emission control and engine management.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level readings for engine control units\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003ePrevents failed emissions tests due to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the NTK 24543 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector match the vehicle’s specifications. Thread the sensor by hand initially to avoid cross-threading, then tighten to the manufacturer’s torque specifications. It is recommended to use anti-seize compound on the threads unless pre-applied.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 24543 is manufactured to provide consistent sensor output and long service life. Warranty coverage details should be confirmed with the distributor or vehicle manufacturer, as they may vary by region and application.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43964778676405,"sku":"BFPZ-24543","price":63.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_24543_Fro_bd78edb3-600d-4910-a341-4377cbaa2fe2.jpg?v=1775006793","url":"https:\/\/www.partcatalog.com\/products\/ntk-24543-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}