NTK 24449 Oxygen Sensor

Overview of NTK Direct Fit Oxygen Sensor 24449

The 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.

• Heated sensor type for faster activation and improved efficiency
• Specific fit for INFINITI and Nissan vehicles listed
• Threaded mounting type with 18mm thread diameter for secure installation
• Four-wire design for reliable electrical connections
• Wiring harness length of 10.75 inches to accommodate factory routing

About the NTK Direct Fit Oxygen Sensor Line

The 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.

Detailed Product Description

The 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.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light codes related to oxygen sensor failure
• Helps reduce harmful emissions by ensuring proper air-fuel mixture
• Prevents rough idling and engine performance issues caused by faulty sensors
• Supports compliance with emission regulations for compatible INFINITI and Nissan vehicles

Installation Notes and Tips

Installation 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.

Quality Assurance and Warranty

NTK 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.