NTK 24395 Air / Fuel Ratio Sensor - Upstream

Overview of NTK Direct Fit 5-Wire A/F Sensor 24395

The NTK Direct Fit 5-Wire A/F Sensor 24395 is designed specifically for Mazda 3 and Mazda 3 Sport models. This heated air/fuel ratio sensor ensures precise monitoring of the engine's air-fuel mixture to support optimal emission control and engine performance.

• Heated sensor type for faster response times
• 5-wire configuration for accurate signal transmission
• Specific fitment for Mazda 3 and Mazda 3 Sport
• Thread diameter of 18.000 mm and thread length of 0.38 inches
• 12.5-inch wiring harness length for convenient installation
• Does not include a mounting bracket

Detailed Product Description

This NTK air/fuel ratio sensor, part number 24395, belongs to the Direct Fit 5-Wire A/F Sensor product line, which focuses on providing exact replacement sensors engineered to match OEM specifications. The heated sensor element allows the unit to reach operating temperature quickly, improving the accuracy of air-fuel mixture readings. With a 5-wire design, this sensor delivers reliable data to the engine control unit, helping maintain efficient combustion and reduce emissions.

The sensor’s thread diameter of 18.000 mm and thread length of 0.38 inches ensure a secure and proper fit in the exhaust system. The 12.5-inch wiring harness length provides sufficient reach for direct connection without the need for extensions or modifications. This sensor is a specific fit for Mazda 3 and Mazda 3 Sport models, ensuring compatibility and straightforward installation.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient engine performance
• Reduces emissions by providing accurate sensor data to the ECU
• Resolves engine hesitation or rough idling caused by faulty sensors
• Prevents check engine light triggers related to air/fuel mixture problems
• Supports fuel economy by ensuring optimal combustion

Installation Notes and Tips

• Designed as a direct fit replacement for Mazda 3 and Mazda 3 Sport models
• Verify thread size and sensor type before installation
• Use appropriate tools to avoid damaging the sensor or threads
• Ensure wiring harness connections are secure and free of corrosion
• Do not reuse old mounting brackets as this sensor does not include one

Quality Assurance and Warranty

NTK sensors are manufactured to meet strict quality standards and OEM specifications. The Direct Fit 5-Wire A/F Sensor 24395 undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.