NTK 24545 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of NTK Direct Fit Oxygen Sensor 24545

The NTK Direct Fit Oxygen Sensor 24545 is designed specifically for select INFINITI and Nissan models, including the 200SX, 240SX, Altima, Q45, and Sentra. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated sensor type for faster response times
• Specific fit for INFINITI and Nissan models
• Threaded mounting type with 18mm thread diameter
• Four-wire configuration for reliable connectivity
• Wiring harness length of 11.75 inches for proper installation

Details on the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide exact replacement sensors that match OEM specifications. This product line focuses on direct compatibility, eliminating the need for modifications during installation. The 24545 sensor maintains the integrity of the vehicle’s emission system by delivering consistent and accurate oxygen level readings, which are critical for maintaining emission standards and fuel efficiency.

Technical Description and Features

The NTK 24545 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. Its four-wire design supports both the sensor signal and heater circuit, ensuring stable operation. The threaded mounting type with an 18mm diameter provides a secure and leak-free fit in the exhaust system. The wiring harness length of 11.75 inches offers sufficient reach for proper connection without excess slack.

Compatible Vehicles and Common Applications

• Compatible with Nissan 200SX and 240SX models
• Fits Nissan Altima and Sentra vehicles
• Suitable for INFINITI Q45 models
• Used to monitor and regulate exhaust emissions
• Helps maintain engine performance and fuel economy

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools to avoid damaging the 18mm threaded sensor
• Verify wiring connections match the four-wire configuration
• Check sensor harness length to confirm proper routing without tension
• Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Direct Fit Oxygen Sensor 24545 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.