{"product_id":"ntk-24449-oxygen-sensor","title":"NTK 24449 Oxygen Sensor","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 24449\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 24449 is designed specifically for select INFINITI and Nissan models, including the Altima, GT-R, Maxima, Murano, NV2500, NV3500, Quest, QX56, and QX80. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance through precise air-fuel mixture measurement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster activation and improved efficiency\u003c\/li\u003e\n\u003cli\u003eSpecific fit for INFINITI and Nissan vehicles listed\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design for reliable electrical connections\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 10.75 inches to accommodate factory routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the NTK Direct Fit Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Direct Fit Oxygen Sensor line by NTK is engineered to provide exact replacement sensors that match OEM specifications. This product line focuses on delivering sensors that require no modifications during installation, ensuring compatibility and maintaining vehicle emission standards. The 24449 part number is part of this line, offering a direct fit solution for various INFINITI and Nissan models.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe NTK 24449 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, reducing emissions during cold starts. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The 18mm threaded mounting type provides a secure and leak-free fit in the exhaust system. With a wiring harness length of 10.75 inches, this sensor fits the factory routing without the need for extensions or splicing. Designed specifically for models such as the Nissan Altima and INFINITI QX80, this sensor helps maintain proper engine management and emission control.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003eResolves check engine light codes related to oxygen sensor failure\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by ensuring proper air-fuel mixture\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance issues caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emission regulations for compatible INFINITI and Nissan vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the NTK 24449 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. The 18mm threaded design matches factory specifications, allowing for straightforward replacement. Ensure the wiring harness is routed according to factory guidelines to avoid damage or interference. It is recommended to use anti-seize compound on the threads to facilitate future removal. Verify sensor connector compatibility before installation to ensure proper electrical connection.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors are manufactured to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 24449 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship. Consult product documentation or supplier information for exact warranty terms.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43964759933109,"sku":"BFPZ-24449","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_24449_Fro_9f7bbfd2-591c-4125-808a-eafe4a9ef724.jpg?v=1775006785","url":"https:\/\/www.partcatalog.com\/products\/ntk-24449-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}