NTK
Direct Fit Oxygen Sensor

NTK 25746 Oxygen Sensor - Downstream

Brand NTK 25746
Position Downstream
Wiring Harness Length 40.2500
Sensor Type Heated
Universal Or Specific Fit Specific
Wire Quantity 4
Thread Diameter 18.000
Mounting Type Threaded
Product line Direct Fit Oxygen Sensor
Fits Hyundai · 1 vehicle

Direct fit design. Application-specific replacement for straightforward installation and correct sensor matching.

Heated sensor. Built with a 4-wire layout and threaded mounting for the listed application.

OE-equivalent coverage. NTK uses OE application technology and manufacturing tests for quality control.

Cross-references 392102B260 for the same application. See all 1.

$83.35Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Direct Fit Oxygen Sensor

The NTK 25746 is a direct fit oxygen sensor built for specific application coverage and OE-style installation. It is a heated, threaded sensor with a 4-wire design and a 40.2500 wiring harness length for the correct replacement setup.

NTK 25746 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific coverage and OE-equivalent fit, form, and function. NTK draws on its role as a major original equipment oxygen sensor supplier and uses controlled ceramic technology from raw material through finished product.

Key Features

  • Heated oxygen sensor for precise exhaust feedback
  • Specific-fit design for direct application matching
  • Threaded mounting type for secure installation
  • 4-wire configuration for the correct sensor circuit layout
  • 40.2500 wiring harness length for application-specific routing
  • OE-equivalent design for the listed application

Fitment Details

Fits 2013 Hyundai Veloster, downstream. Notes: B1S2; w/OE #39210-2B260; OE Equivalent Design; Direct Fit Oxygen Sensor.

This part cross-references Monroe Shocks & Struts (e.g., 392102B260) for the same application.

What It Helps Address

  • Check engine light concerns related to oxygen sensor performance
  • Incorrect exhaust oxygen readings from a worn sensor
  • Fuel control issues caused by inaccurate sensor feedback
  • Replacement needs for a damaged or aging downstream sensor

Installation Notes and Tips

Use the listed OE reference and fitment notes to confirm the correct downstream location before installation. Verify thread diameter, harness length, and wire count against the original sensor to ensure proper routing and connector match.

Quality Assurance

NTK tests oxygen sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013HyundaiVeloster1.6LL4DownstreamB1S2; w/OE #39210-2B260; OE Equivalent Design; Direct Fit Oxygen Sensor
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
392102B260