HomeNTK 25169 Oxygen Sensor - Downstream Left
Part #: 25169

NTK 25169 Oxygen Sensor - Downstream Left

Direct Fit Oxygen Sensor, Downstream Left
10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor, Downstream Left
Fitment: Hyundai and Kia, Santa Fe, 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 25169

The NTK Direct Fit Oxygen Sensor 25169 is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Santa Fe, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.

  • Heated oxygen sensor for faster response times
  • Specific fit for Hyundai and Kia models
  • Threaded mounting type with 18mm thread diameter
  • 16-inch wiring harness length with 4 wires for reliable connectivity
  • Part number 25169 for exact replacement

Details on the Direct Fit Oxygen Sensor Line

The NTK Direct Fit Oxygen Sensor product line focuses on providing exact replacement sensors tailored to specific vehicle applications. This ensures compatibility and reduces installation time by matching OEM specifications. The Direct Fit Oxygen Sensor 25169 is engineered to meet the precise requirements of Hyundai and Kia vehicles, maintaining emission standards and engine efficiency.

Technical Specifications and Features

This oxygen sensor features a heated sensor type, which allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. The sensor includes a 16-inch wiring harness with four wires, supporting both signal and heater circuits. Its threaded mounting type with an 18mm diameter ensures secure installation in the exhaust system. The specific fitment for Hyundai Magentis, Kia Optima, Santa Fe, and Hyundai Sonata models guarantees proper function without modification.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel ratio for efficient combustion
  • Reduces vehicle emissions by providing accurate oxygen level data
  • Prevents engine performance issues related to faulty sensors
  • Resolves check engine light triggers caused by oxygen sensor faults
  • Improves fuel economy by enabling precise engine adjustments

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 25169, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the wiring harness length of 16 inches is sufficient for your vehicle’s routing. Confirm the sensor’s 4-wire configuration matches the vehicle’s connector. Proper torque on the 18mm threaded mount is essential to prevent exhaust leaks.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Direct Fit Oxygen Sensor 25169 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.

BrandNTK
Part Number25169
PositionDirect Fit Oxygen Sensor, Downstream Left
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length16.0000

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002HyundaiSanta Fe2.7LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2002HyundaiSonata2.7LV6Downstream LeftB2S2; To 8/16/02; OE MFR: NTK; Direct Fit Oxygen Sensor
2002KiaMagentis2.7LV6Downstream LeftB2S2; To 7/24/02; OE MFR: NTK; Direct Fit Oxygen Sensor
2002KiaOptima2.7LV6Downstream LeftB2S2; To 7/24/02; OE MFR: NTK; Direct Fit Oxygen Sensor
2001HyundaiSanta Fe2.7LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2001HyundaiSonata2.5LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2001KiaMagentis2.5LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2001KiaOptima2.5LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2000HyundaiSonata2.5LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
1999HyundaiSonata2.5LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; 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:

1374915650213-3121234-44313921037180392103718575-233675-3119ES10897OS1610SG856

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