NTK 24387 Air / Fuel Ratio Sensor

Overview of NTK Direct Fit 5-Wire A/F Sensor 24387

The NTK Direct Fit 5-Wire A/F Sensor 24387 is designed to provide precise air/fuel ratio measurements for specific Ford, Lincoln, Mazda, and Mercury vehicles. This heated sensor ensures accurate emissions control and optimal engine performance in models such as the Ford Escape, Mazda CX-9, and Lincoln MKX.

• Heated air/fuel ratio sensor with 5-wire configuration
• Specific fit for select Ford, Lincoln, Mazda, and Mercury models
• Thread diameter of 18.0 mm and thread length of 0.38 inches
• Wiring harness length of 11.5 inches for direct fit installation
• Does not include a mounting bracket

About the Direct Fit 5-Wire A/F Sensor Product Line

The Direct Fit 5-Wire A/F Sensor line by NTK is engineered to deliver precise air/fuel ratio readings through a heated sensor element and a 5-wire design. This configuration supports accurate data transmission to the vehicle’s engine control unit, helping maintain emissions compliance and fuel efficiency. The specific fitment approach ensures compatibility with designated vehicle models, reducing installation complexity and improving sensor reliability.

Detailed Product Description

The NTK 24387 air/fuel ratio sensor features a heated sensor type that allows for quicker warm-up times and consistent performance under various operating conditions. Its 5-wire design facilitates accurate signal output and sensor heating control. The sensor’s thread diameter of 18.0 mm and thread length of 0.38 inches are tailored for direct replacement in compatible vehicles. With an 11.5-inch wiring harness length, this sensor is designed for straightforward installation without the need for modifications. This sensor is specific fitment, compatible with select Ford, Lincoln, Mazda, and Mercury models including the Ford Edge, Explorer, Fusion, Mustang, and the Mazda CX-9.

Common Applications and Issues Addressed

• Restores accurate air/fuel ratio readings for improved engine performance
• Helps resolve check engine light triggers related to air/fuel sensor faults
• Supports emissions system compliance by providing precise sensor data
• Addresses rough idling or poor fuel economy caused by faulty sensors
• Prevents drivability issues linked to incorrect air/fuel mixture readings

Installation Notes and Tips

When installing the NTK 24387 sensor, ensure the vehicle is compatible with this specific fit sensor to avoid fitment issues. The 11.5-inch wiring harness length allows for direct connection without splicing. Use proper torque specifications for the 18.0 mm thread diameter to prevent damage. Since no mounting bracket is included, reuse the original bracket if applicable. It is recommended to inspect the sensor wiring and connectors for corrosion or damage before installation.

Quality Assurance and Warranty

NTK sensors are manufactured to meet OEM standards for durability and performance. The Direct Fit 5-Wire A/F Sensor 24387 undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.