NTK 25183 Oxygen Sensor - Downstream

Overview of NTK Direct Fit Oxygen Sensor 25183

The NTK Direct Fit Oxygen Sensor 25183 is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Rondo, and Sonata. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster warm-up and improved efficiency
• Specific fit for Hyundai Magentis, Kia Optima, Rondo, and Hyundai Sonata
• Threaded mounting type with an 18mm thread diameter for secure installation
• Four-wire configuration for reliable electrical connections
• 18.25-inch wiring harness length for proper reach and fitment

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 25183 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors engineered to match original equipment specifications. This ensures compatibility and performance without the need for modifications. The heated sensor design allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions sooner after engine start.

With a threaded mounting type and an 18mm thread diameter, this oxygen sensor installs securely in the exhaust system. The four-wire setup supports both the sensor signal and the heating element, while the 18.25-inch wiring harness length is tailored to fit the specified Hyundai and Kia models without excess slack or tension.

Compatible Vehicles and Applications

• Hyundai Magentis oxygen sensor replacement
• Kia Optima emission control sensor upgrade
• Kia Rondo oxygen sensor for emission system maintenance
• Hyundai Sonata heated oxygen sensor replacement

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture data
• Increased emissions from malfunctioning sensor
• Engine performance problems such as rough idling or hesitation
• Failed emissions tests related to sensor failure

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 25183, 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 harness to prevent electrical issues. Thread the sensor by hand initially to avoid cross-threading, then tighten to manufacturer torque specifications.

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 line undergoes rigorous testing for fit, form, and function. While specific warranty details for part number 25183 should be confirmed with the distributor, NTK typically offers a limited warranty covering defects in materials and workmanship.