NTK
Direct Fit Oxygen Sensor

NTK 25217 Oxygen Sensor - Upstream Left or Upstream Right

Brand NTK 25217
Position Upstream Right and Upstream Left
Wiring Harness Length 11.7500
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 and Kia · 6 vehicles

Direct fit design. Specific application replacement with OE-style fit, form, and function.

Heated sensor. Built for faster operating response and stable exhaust feedback.

NTK 25217. Backed by extensive manufacturing testing to meet OE specifications.

Cross-references Davico Mfg 18044, DENSO Auto Parts 234-4458 and 392103C550 for the same application. See all 4.

$99.93Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $99.93
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Free returns within 60 days if it doesn't fit when fitment is verified.

Direct Fit Oxygen Sensor Overview

NTK 25217 is a direct fit heated oxygen sensor built for specific applications and threaded mounting. It is engineered for accurate exhaust feedback and OE-style fitment on select Hyundai and Kia vehicles.

Key Features

  • Direct fit oxygen sensor for specific applications
  • Heated sensor design for faster operating response
  • 4-wire configuration with an 11.75-inch harness
  • Threaded mounting with an 18 mm thread diameter
  • NTK 25217 part number for easy identification

Detailed Description

NTK 25217 is part of the Direct Fit Oxygen Sensor line, a product range focused on streamlined coverage and OE-style application matching. NTK draws on its background as a major original equipment oxygen sensor manufacturer, and this sensor is manufactured and tested to meet or exceed OE specifications for fit, form, and function. For buyers searching for a Hyundai Genesis Coupe oxygen sensor or a Kia Sedona oxygen sensor, this part number provides a specific-fit replacement with the correct heated, threaded design.

This part cross-references DENSO Auto Parts 234-4458 for the same application.

What It Is Used For

  • Replacing a failed oxygen sensor that triggers emissions-related fault codes
  • Restoring proper exhaust gas feedback to the engine control system
  • Addressing drivability issues tied to inaccurate air-fuel monitoring
  • Correcting sensor response problems caused by worn heating elements
  • Serving as a direct-fit replacement for select Hyundai Genesis Coupe and Kia Sedona applications

Installation Notes and Tips

Verify the connector, wire count, thread diameter, and harness length before installation. Confirm the listed position and notes for your vehicle, including upstream left or upstream right application details. Use the exact part number 25217 to match the correct sensor configuration for your vehicle.

Quality Assurance

NTK states that these oxygen sensors are extensively tested during manufacturing to help ensure quality and reliability that meets or exceeds OE specifications. The brand also emphasizes OE application technology and original equipment manufacturing experience.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2016HyundaiGenesis Coupe3.8LV6Upstream LeftBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2015HyundaiGenesis Coupe3.8LV6Upstream LeftBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2014HyundaiGenesis Coupe3.8LV6Upstream LeftBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2013HyundaiGenesis Coupe3.8LV6Upstream LeftBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2012KiaSedona3.5LV6Upstream RightBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2011KiaSedona3.5LV6Upstream RightBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 18044DENSO Auto Parts — 234-4458392103C550392103CCC0