NTK 25223 Oxygen Sensor - Upstream Right

Direct-Fit Oxygen Sensor

NTK 25223 is a direct-fit heated oxygen sensor built for specific applications and engineered for OE-style fit, form, and function. It uses a threaded mounting design and a 4-wire configuration with a 17.25-inch harness for a precise replacement.

Key Features

• Heated oxygen sensor for fast operating response
• Specific-fit design for direct replacement applications
• Threaded mounting type with 18 mm thread diameter
• 17.25-inch wiring harness for proper routing
• NTK 25223 is manufactured to meet or exceed OE specifications

Detailed Description

NTK 25223 is part of NTK’s Direct Fit Oxygen Sensor line, a product line focused on application-specific replacement sensors. NTK is known for oxygen sensor manufacturing and uses ceramic technology developed from raw material through finished sensor production. This part is built for the Hyundai Genesis Coupe and is listed for 2013-2016 models in the upstream right position. This part cross-references DENSO Auto Parts (e.g., 234-4571) and Davico Mfg (e.g., 18151) for the same application.

What It Is Used For

• Replacing a failed oxygen sensor that can trigger a check engine light
• Restoring air-fuel feedback for proper engine management
• Addressing drivability issues tied to inaccurate exhaust oxygen readings
• Correcting sensor response problems caused by age, heat, or contamination

Installation Notes and Tips

Verify the connector, harness length, thread size, and sensor position before installation. For this application, the fitment is 2013-2016 Hyundai Genesis Coupe, upstream right. Use the vehicle’s service information to confirm bank and sensor location before replacement.

Quality Assurance

NTK tests oxygen sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications. The brand is part of the NGK family of products and supplies original equipment oxygen sensors globally. NTK 25223 is built to support OE-level replacement performance.