NTK 25732 Oxygen Sensor - Downstream

Overview of NTK Direct Fit Oxygen Sensor 25732

The NTK Direct Fit Oxygen Sensor 25732 is designed specifically for select Hyundai and Kia models, including the Elantra, Forte, Sonata, and Tucson. This heated oxygen sensor features a 24.5-inch wiring harness and a threaded mounting type for straightforward installation and reliable performance.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Hyundai and Kia vehicles
• 24.5-inch wiring harness length for optimal routing
• Threaded mounting with 18mm thread diameter
• Four-wire design for enhanced sensor functionality

Detailed Product Features and Specifications

The NTK Direct Fit Oxygen Sensor 25732 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors engineered to match OE specifications. This ensures compatibility and performance consistency for vehicles requiring precise emission control components. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a 24.5-inch wiring harness and four wires, this sensor supports advanced signal transmission and heater control. The 18mm threaded mounting type ensures a secure fit in the exhaust system of compatible Hyundai and Kia models.

Compatible Vehicles and Applications

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

• Hyundai Elantra, Elantra Coupe, Elantra GT
• Kia Forte, Forte5, Forte Koup
• Hyundai Kona, Optima, Sonata, Tucson
• Kia Seltos

It is designed to replace the original oxygen sensor in these vehicles, maintaining proper engine management and emissions control.

Common Issues Addressed by Oxygen Sensor 25732

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

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket or wrench for removal and installation
• Do not over-tighten; follow manufacturer torque specifications for the 18mm threaded mount
• Inspect wiring harness for damage and secure connections during installation
• Clear any diagnostic trouble codes after installation to reset the engine control unit

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 25732 undergoes rigorous testing for fit, function, and emissions compliance. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.