HomeEmission Control > SensorsNTK 25200 Oxygen Sensor - Downstream
Part #: 25200

NTK 25200 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor, Downstream
⚙️ 48 vehicles fit this part
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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, Forte, Forte Koup, Forte5, Rondo, Sonata, Magentis, and Optima
🔄Easy Returns — Return within 60 days for a full refund
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Overview of NTK Direct Fit Oxygen Sensor 25200

The NTK Direct Fit Oxygen Sensor 25200 is designed specifically for select Hyundai and Kia models, including the Forte, Forte5, Forte Koup, 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 activation and improved efficiency
  • Specific fit for Hyundai and Kia vehicles listed
  • 22-inch wiring harness length for convenient installation
  • Four-wire configuration for reliable signal transmission
  • Threaded mounting type with 18mm thread diameter for secure fit

Details on the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide exact replacement sensors tailored to specific vehicle applications. This product line focuses on direct compatibility, eliminating the need for modifications or additional adapters. The 25200 part number belongs to this line, ensuring it meets the precise specifications required for the Hyundai and Kia models it supports.

Technical Description and Features

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. The 22-inch wiring harness length offers flexibility during installation, while the four-wire design supports both the sensor signal and heater circuit. The threaded mounting type with an 18mm diameter ensures a secure and leak-free fit in the exhaust system. This sensor is a specific fit, designed to match the OEM requirements of the compatible Hyundai and Kia vehicles.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for engine control
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing correct emissions data
  • Reduces harmful exhaust emissions by maintaining proper combustion
  • Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the NTK 25200 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 22-inch harness length provides sufficient reach to connect without strain. Thread the sensor carefully into the exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads unless pre-applied.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards for durability and performance. The Direct Fit Oxygen Sensor 25200 undergoes rigorous testing to ensure reliable operation in the specified Hyundai and Kia models. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandNTK
Part Number25200
PositionDirect Fit Oxygen Sensor, Downstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length22.0000

This part fits 48 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2013KiaForteAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaForteManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013KiaForteAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaForte KoupManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013KiaForte KoupAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaForte KoupManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013KiaForte KoupAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaForte5Manual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013KiaForte5Automatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2013KiaForte5Manual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013KiaForte5Automatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaForteAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaForteManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012KiaForteAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaForte KoupManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012KiaForte KoupAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaForte KoupManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012KiaForte KoupAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaForte5Manual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012KiaForte5Automatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaForte5Manual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012KiaForte5Automatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2012KiaRondo2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaForteManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011KiaForteAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaForteManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011KiaForteAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaForte KoupManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011KiaForte KoupAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaForte KoupManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011KiaForte KoupAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2011KiaRondo2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2010HyundaiSonata2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2010KiaForteManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010KiaForteAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2010KiaForteManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010KiaForteAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2010KiaForte KoupManual2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010KiaForte KoupAutomatic2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2010KiaForte KoupManual2.0LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010KiaForte KoupAutomatic2.0LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2010KiaMagentis2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010KiaOptima2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010KiaRondo2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2009HyundaiSonata2.4LL4DownstreamB1S2; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2009KiaMagentis2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2009KiaOptima2.4LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2009KiaRondo2.4LL4DownstreamB1S2; 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:

18085234-4237392102G400

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