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NTK 25182 Oxygen Sensor - Upstream
Overview of NTK Direct Fit Oxygen Sensor 25182
The NTK Direct Fit Oxygen Sensor 25182 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 response times
- Specific fit for Hyundai Magentis, Kia Optima, Rondo, and Hyundai Sonata
- 29-inch wiring harness length for convenient installation
- Threaded mounting type with 18mm thread diameter
- Four-wire configuration for reliable electrical connection
Detailed Product Features and Specifications
The NTK 25182 oxygen sensor 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 Magentis, Kia Optima, Rondo, and Hyundai Sonata models, eliminating the need for modifications. The sensor includes a 29-inch wiring harness, providing ample length for straightforward installation. 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 consistent performance.
About the Direct Fit Oxygen Sensor Product Line
The NTK Direct Fit Oxygen Sensor line is engineered to provide precise replacement sensors tailored to specific vehicle applications. This product line focuses on exact fitment and reliable operation, reducing installation time and ensuring proper emissions control. The 25182 sensor is part of this line, offering a direct replacement solution for Hyundai and Kia vehicles requiring a heated oxygen sensor with specific wiring and mounting specifications.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for engine control
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel economy by ensuring proper combustion
- Reduces harmful emissions by maintaining optimal sensor function
- Eliminates rough idling or engine hesitation caused by faulty sensors
Installation Notes and Tips
When installing the NTK 25182 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the 29-inch wiring harness length to route the sensor cable away from heat sources and moving parts. Apply anti-seize compound to the threaded mounting surface if recommended by the vehicle manufacturer. Verify the four-wire connector matches the vehicle harness to prevent electrical issues. Proper torque on the 18mm threaded sensor is essential to avoid exhaust leaks.
Quality Assurance and Warranty
NTK oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 25182 is manufactured to provide consistent sensor response and long service life. Warranty coverage details should be confirmed with the distributor or vehicle manufacturer, as they may vary by region.
| Brand | NTK |
| Part Number | 25182 |
| Position | Direct Fit Oxygen Sensor, Upstream |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 18.000 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 29.0000 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Hyundai | Sonata | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2008 | Kia | Magentis | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2008 | Kia | Optima | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2008 | Kia | Rondo | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2007 | Hyundai | Sonata | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2007 | Kia | Magentis | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2007 | Kia | Optima | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2007 | Kia | Rondo | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2006 | Hyundai | Sonata | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2006 | Kia | Magentis | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
| 2006 | Kia | Optima | 2.4L | L4 | Upstream | Bank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.