HomeEmission Control > SensorsNTK 25202 Oxygen Sensor - Downstream
Part #: 25202

NTK 25202 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor, Downstream
23 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor, Downstream
Fitment: Kia and Hyundai, Sportage and Tucson
Easy Returns — Return within 60 days for a full refund
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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.

BrandNTK
Part Number25202
PositionDirect Fit Oxygen Sensor, Downstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length17.2500

This part fits 23 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2016KiaSportage2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2015KiaSportage2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2014KiaSportage2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013HyundaiTucson2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013HyundaiTucsonManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013HyundaiTucsonAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaSportageManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013KiaSportageAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaSportage2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012HyundaiTucson2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012HyundaiTucsonManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012HyundaiTucsonAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaSportageManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012KiaSportageAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaSportage2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011HyundaiTucson2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011HyundaiTucsonManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011HyundaiTucsonAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaSportageManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011KiaSportageAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaSportage2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010HyundaiTucsonManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010HyundaiTucsonAutomatic2.4LL4DownstreamB1S2; 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:

18055234-4444392102G650

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.