NTK 25212 Oxygen Sensor - Downstream Left or Downstream Right

Overview of NTK Direct Fit Oxygen Sensor 25212

The NTK Direct Fit Oxygen Sensor 25212 is designed specifically for select Hyundai and Kia models, including the Genesis, Genesis Coupe, K900, Santa Fe, and Sorento. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Hyundai and Kia vehicles
• Threaded mounting type with 18mm thread diameter
• Four-wire configuration for reliable signal transmission
• 11-inch wiring harness length for proper installation

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 25212 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors engineered to match original equipment specifications. This ensures seamless integration with the vehicle’s existing wiring and mounting points, reducing installation time and potential compatibility issues. The heated sensor design allows the sensor to reach operating temperature quickly, improving emissions control and fuel efficiency.

With a threaded mounting type and an 18mm thread diameter, this oxygen sensor securely attaches to the exhaust system. The four-wire setup supports both the sensor signal and the heating element, while the 11-inch wiring harness length offers sufficient reach for proper connection without excess slack.

Compatible Vehicles and Applications

This oxygen sensor is compatible with specific Hyundai and Kia models, including:

• Hyundai Genesis and Genesis Coupe
• Kia K900
• Hyundai Santa Fe
• Kia Sorento

Common Issues Addressed by NTK Oxygen Sensor 25212

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture data
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Delayed sensor response affecting engine management

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the 18mm threaded mounting
• Verify wiring connections match the four-wire configuration
• Check the wiring harness length of 11 inches for proper routing
• Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The Direct Fit Oxygen Sensor 25212 undergoes rigorous testing to maintain quality and consistency. Warranty coverage details should be confirmed with the product documentation or supplier.