NTK 25214 Oxygen Sensor - Downstream Right

Overview of NTK Direct Fit Oxygen Sensor 25214

The NTK Direct Fit Oxygen Sensor 25214 is designed specifically for select Hyundai and Kia models, including the Santa Fe, Santa Fe XL, and Sorento. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.

• Heated sensor type for faster response times
• Specific fit for Hyundai Santa Fe, Santa Fe XL, and Kia Sorento
• 24.5-inch wiring harness length for easy installation
• Threaded mounting type with 18mm thread diameter
• Four-wire configuration for reliable signal transmission

Details on the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide exact replacement sensors tailored to specific vehicle applications. This ensures compatibility and reduces installation time by matching OEM specifications. The 25214 part number belongs to this line, offering a direct fit solution for emission control systems in Hyundai and Kia vehicles.

Technical Description and Features

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. The 24.5-inch wiring harness length provides sufficient reach for proper connection without excess slack. Its four-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The threaded mounting type with an 18mm diameter matches factory specifications for secure installation.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires and rough idling caused by faulty sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the NTK 25214 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector match the vehicle’s factory harness. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer to facilitate future removal. Tighten the sensor to the specified torque to prevent leaks.

Quality Assurance and Warranty

NTK oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 25214 is manufactured to provide reliable operation within emission control systems. Warranty coverage details should be confirmed with the distributor or vehicle manufacturer, as they may vary by region.