NTK 24544 Oxygen Sensor - Downstream Right

Overview of NTK Direct Fit Oxygen Sensor 24544

The NTK Direct Fit Oxygen Sensor 24544 is designed specifically for select INFINITI and Nissan vehicles, including Frontier, Pathfinder, QX4, and Xterra models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for INFINITI and Nissan Frontier, Pathfinder, QX4, and Xterra
• Threaded mounting type with 18mm thread diameter
• Four-wire configuration for reliable signal transmission
• Wiring harness length of 35.75 inches for proper installation

Detailed Product Features and Specifications

The NTK Direct Fit Oxygen Sensor 24544 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors engineered to match original equipment specifications. This ensures compatibility and performance without the need for modifications. The heated sensor design allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions sooner after startup.

This oxygen sensor features a threaded mounting type with an 18mm thread diameter, making it compatible with the exhaust system fittings on the specified INFINITI and Nissan models. The four-wire setup includes heater and signal wires, supporting stable sensor operation and accurate data transmission to the vehicle’s engine control unit (ECU). The 35.75-inch wiring harness length provides sufficient reach for straightforward installation without additional extensions.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following vehicles:

• INFINITI models requiring a specific fit oxygen sensor
• Nissan Frontier
• Nissan Pathfinder
• Nissan QX4
• Nissan Xterra

It is designed to replace faulty or worn oxygen sensors in these vehicles, helping to maintain proper emissions control and engine performance.

Common Issues Addressed by NTK Oxygen Sensor 24544

• Check engine light triggered by oxygen sensor faults
• Poor fuel economy due to incorrect air-fuel mixture readings
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Delayed sensor response affecting engine performance

Installation Notes and Tips

Installation of the NTK Direct Fit Oxygen Sensor 24544 requires removal of the old sensor and threading the new sensor into the exhaust manifold or pipe. The 18mm threaded design matches factory specifications, ensuring a secure fit. The 35.75-inch wiring harness length allows for proper routing without strain. It is recommended to use anti-seize compound on the threads to facilitate future removal. Ensure the vehicle is cool before installation to avoid burns.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor line undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details for part number 24544 should be confirmed with the distributor or installer, NTK typically offers limited warranties covering defects in materials and workmanship.