NTK 23057 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor for Import Applications

NTK Oxygen Sensor 23057 is a direct fit, heated oxygen sensor built for specific downstream applications. It is engineered for precise fitment and OE-level function in compatible Fiat 500X and Jeep Renegade models.

Key Features

• Direct fit design for specific applications
• Heated oxygen sensor for faster operating response
• Threaded mounting type with 18 mm thread diameter
• 4-wire configuration with 12.25 in. harness length
• Built to meet OEM standards for the listed fitments

Detailed Description

NTK 23057 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific replacement sensors with OE-style fit, form, and function. As a downstream oxygen sensor, it is used in the exhaust stream to monitor emissions-related performance after the catalyst. This part number 23057 is listed for 2016-2018 Fiat 500X and 2015-2018 Jeep Renegade downstream applications, making it a targeted replacement for those vehicles.

NTK draws on its role as a major original equipment oxygen sensor manufacturer and uses controlled ceramic technology in sensor production. The result is a replacement sensor that is manufactured and tested to meet or exceed OE specifications. For buyers searching for a Fiat 500X oxygen sensor or Jeep Renegade downstream oxygen sensor, NTK 23057 provides a direct-fit service part with the correct threaded mounting style and harness configuration.

What It Is Used For

• Replacing a worn or slow-responding downstream oxygen sensor
• Addressing emissions-related fault codes tied to sensor performance
• Restoring proper exhaust monitoring after catalyst operation
• Correcting drivability issues caused by inaccurate air-fuel feedback
• Resolving fitment problems from an incorrect sensor style or connector setup

Installation Notes and Tips

Verify the vehicle year, make, model, and downstream position before ordering. Confirm the 4-wire layout, threaded mounting type, and 18 mm thread diameter match the original sensor. The part number 23057 should be cross-checked against the original unit and the vehicle's service information before installation.

Quality Assurance

NTK tests these oxygen sensors during manufacturing to support quality and reliability that meet or exceed OE specifications. This part cross-references Monroe Shocks & Struts (e.g., 68254612AA) for the same application.