OE Quality
60-Day Returns

NTK 25202 Oxygen Sensor - Downstream
Overview of NTK Direct Fit Oxygen Sensor 25202
The NTK Direct Fit Oxygen Sensor 25202 is engineered specifically for Hyundai and Kia vehicles, including the Sportage and Tucson models. This heated oxygen sensor ensures precise monitoring of exhaust gases to optimize engine performance and emissions control.
- Heated sensor type for faster activation and accurate readings
- Specific fitment for Hyundai Sportage and Kia Tucson
- Threaded mounting type with 18mm thread diameter for secure installation
- 17.25-inch wiring harness length with 4 wires for reliable connectivity
- Part number 25202 for easy identification and replacement
Detailed Product Description
The NTK Direct Fit Oxygen Sensor 25202 is designed to replace the factory sensor with exact fit and function. Its heated sensor element allows quicker warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation. With a threaded mounting type and an 18mm thread diameter, installation is straightforward and secure. The 17.25-inch wiring harness length provides sufficient reach for proper connection without modification. This sensor is tailored specifically for Hyundai Sportage and Kia Tucson models, ensuring compatibility and reliable performance.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for optimal air-fuel mixture
- Helps resolve check engine light triggers related to oxygen sensor faults
- Improves fuel economy by enabling precise engine management
- Reduces harmful emissions by maintaining proper catalytic converter function
- Prevents rough idling and engine hesitation caused by faulty sensors
Installation Notes and Tips
- Ensure vehicle compatibility with Hyundai Sportage or Kia Tucson before installation
- Use appropriate tools to avoid damaging the 18mm threaded sensor mount
- Disconnect the battery before sensor replacement to prevent electrical issues
- Check wiring harness length (17.25 inches) for proper routing and connection
- Follow manufacturer torque specifications to secure the sensor
Quality Assurance and Warranty
NTK's Direct Fit Oxygen Sensor line, including part number 25202, is manufactured to meet OEM standards for fit, form, and function. Each sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | NTK |
|---|---|
| Part Number | 25202 |
| Position | Direct Fit Oxygen Sensor, Downstream |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 18.000 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 17.2500 |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Kia | Sportage | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor | |
| 2015 | Kia | Sportage | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor | |
| 2014 | Kia | Sportage | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor | |
| 2013 | Hyundai | Tucson | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor | |
| 2013 | Hyundai | Tucson | Manual | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2013 | Hyundai | Tucson | Automatic | 2.0L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2013 | Kia | Sportage | Manual | 2.4L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2013 | Kia | Sportage | Automatic | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2013 | Kia | Sportage | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor | |
| 2012 | Hyundai | Tucson | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor | |
| 2012 | Hyundai | Tucson | Manual | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2012 | Hyundai | Tucson | Automatic | 2.0L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2012 | Kia | Sportage | Manual | 2.4L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2012 | Kia | Sportage | Automatic | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2012 | Kia | Sportage | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor | |
| 2011 | Hyundai | Tucson | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor | |
| 2011 | Hyundai | Tucson | Manual | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2011 | Hyundai | Tucson | Automatic | 2.0L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2011 | Kia | Sportage | Manual | 2.4L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2011 | Kia | Sportage | Automatic | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2011 | Kia | Sportage | 2.0L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor | |
| 2010 | Hyundai | Tucson | Manual | 2.4L | L4 | Downstream | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2010 | Hyundai | Tucson | Automatic | 2.4L | L4 | Downstream | B1S2; Federal Emissions; OE MFR: NTK; 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.