NTK 25672 Oxygen Sensor - Downstream Left, Downstream Right or Upstream Right

Overview of NTK Direct Fit Oxygen Sensor 25672

The NTK Direct Fit Oxygen Sensor 25672 is designed specifically for select Hyundai and Kia models, including the Sonata, Santa Fe, Sorento, and more. 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 oxygen sensor for faster response times
• Specific fit for Hyundai and Kia vehicles
• Threaded mounting type with 18mm thread diameter
• 29.5-inch wiring harness length for direct installation
• Four-wire configuration for reliable signal transmission

Detailed Product Features and Specifications

The NTK Direct Fit Oxygen Sensor 25672 features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with Hyundai and Kia models such as the Amanti, Azera, Entourage, Genesis, Santa Fe, Sedona, Sonata, Sorento, and Veracruz. The sensor includes a 29.5-inch wiring harness, providing sufficient length for straightforward installation without modifications. The threaded mounting type with an 18mm diameter allows secure attachment to the exhaust system. The four-wire design supports both the sensor signal and heater circuit, ensuring accurate and consistent readings.

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK is engineered to provide precise replacement sensors tailored to specific vehicle applications. This product line focuses on exact fitment and reliable performance, reducing installation time and ensuring proper function within the vehicle’s emission control system. The 25672 sensor is part of this line, offering a direct replacement solution for compatible Hyundai and Kia models.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring for Hyundai Sonata and Kia Sorento
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing accurate exhaust gas readings
• Reduces harmful emissions by maintaining optimal combustion
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

Installation of the NTK 25672 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. The 18mm threaded sensor mounts directly into the exhaust system, and the 29.5-inch wiring harness connects to the vehicle’s factory harness without splicing. It is recommended to use anti-seize compound on the threads to prevent seizing during future removal. Ensure the sensor connector is securely fastened to avoid signal interruptions.

Quality Assurance and Warranty

NTK oxygen sensors undergo rigorous testing to meet OEM specifications for durability and performance. The Direct Fit Oxygen Sensor 25672 is manufactured to provide consistent operation under harsh exhaust conditions. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship to support long-term reliability.