NTK 25194 Oxygen Sensor - Upstream Right

Overview of NTK Direct Fit Oxygen Sensor 25194

The NTK Direct Fit Oxygen Sensor 25194 is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Rondo, and Santa Fe. This heated oxygen sensor features a threaded mounting type and a 12.25-inch wiring harness, ensuring precise fitment and reliable performance.

• Heated oxygen sensor for faster warm-up and accurate readings
• Specific fit for Hyundai Magentis, Kia Optima, Rondo, and Santa Fe
• Threaded mounting with 18mm thread diameter for secure installation
• 12.25-inch wiring harness length with 4 wires for proper connectivity
• Part number 25194 for easy identification and replacement

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK is engineered to provide exact replacement sensors tailored to specific vehicle applications. This ensures compatibility and reduces installation time by matching OEM specifications. The 25194 sensor is part of this line, offering a direct fit solution for emission control systems in Hyundai and Kia vehicles.

Detailed Product Description

This NTK oxygen sensor 25194 is a heated sensor designed to monitor the oxygen levels in the exhaust gases of your vehicle. The heating element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a 4-wire configuration and a 12.25-inch wiring harness, it connects seamlessly to the vehicle’s existing wiring. The threaded mounting type with an 18mm diameter ensures a secure and leak-free installation. This sensor is specifically designed for Hyundai Magentis and Kia Optima, Rondo, and Santa Fe models, providing a precise fit and reliable performance.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for optimal engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper combustion
• Reduces harmful emissions by maintaining correct exhaust gas monitoring
• Prevents engine hesitation and rough idling caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18mm threaded sensor to prevent damage
• Verify wiring connections match the 4-wire configuration of the sensor
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Clear any diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty

NTK oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 25194 is manufactured to provide consistent and reliable operation within emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.