NTK 25748 Oxygen Sensor - Downstream
OE Quality 60-Day Returns
NTK
 Direct Fit Oxygen Sensor

NTK 25748 Oxygen Sensor - Downstream

Brand NTK 25748
Position Downstream
Wiring Harness Length 38.5000
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 Kia · 3 vehicles

Direct fit design. Built for specific-fit replacement with OE-equivalent form and function.

Heated sensor. Helps the sensor reach operating temperature quickly for responsive feedback.

NTK quality. Extensively tested during manufacturing to meet or exceed OE specifications.

Cross-references 392102E900 for the same application. See all 1.

$154.51Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $154.51
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Oxygen Sensor options

Direct Fit Oxygen Sensor

NTK Oxygen Sensor 25748 is a specific-fit, heated oxygen sensor built for direct replacement applications. It is made for downstream use and follows an original equipment equivalent design for a precise fit and dependable signal performance.

  • Heated oxygen sensor for faster operating response.
  • Specific-fit design for straightforward replacement.
  • Threaded mounting type for secure installation.
  • 4-wire configuration with a 38.5-inch harness length.
  • 18 mm thread diameter for the listed application.

Fitment and Application

Fits 2014-2016 Kia Soul, downstream. This NTK oxygen sensor 25748 is listed for the downstream position on the Kia Soul and is intended for direct-fit replacement where the original equipment equivalent design is required. For buyers searching for a 2014 Kia Soul downstream oxygen sensor, 2015 Kia Soul downstream oxygen sensor, or 2016 Kia Soul downstream oxygen sensor, this part number 25748 matches the confirmed application.

What It Helps Address

  • Check engine light concerns related to oxygen sensor performance.
  • Incorrect air-fuel ratio feedback from a worn sensor.
  • Slow sensor response after extended service life.
  • Replacement needs for a threaded downstream oxygen sensor.

Installation Notes and Quality

Verify the downstream location, connector style, wire count, thread diameter, and harness length before installation. This part cross-references Hyundai/Kia OE number 392102E900 for the same application. NTK states that its oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. Part number 25748 is part of NTK's Direct Fit Oxygen Sensor line.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2016KiaSoul2.0LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2015KiaSoul2.0LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2014KiaSoul2.0LL4DownstreamDownstream oxygen sensor with original equipment 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.
392102E900