NTK 23567 Oxygen Sensor - Downstream Left or Downstream Right

Direct Fit Oxygen Sensor for OE Applications

NTK Oxygen Sensor 23567 is a direct fit, heated oxygen sensor built for specific applications with threaded mounting and a 4-wire design. It is engineered for downstream use and matches OE-style fit, form, and function for select Mercedes-Benz and Sprinter applications.

Key Features

• Direct fit oxygen sensor for specific applications
• Heated sensor design for faster operating response
• 4-wire configuration with threaded mounting
• 18 mm thread diameter and 28.5 in. harness length
• NTK 23567 is tested during manufacturing for quality and reliability

Detailed Description

NTK 23567 is part of the Direct Fit Oxygen Sensor line, a product range focused on application-specific replacement and OE-style coverage. As a sensor specialist within the NGK family of products, NTK applies ceramic manufacturing expertise and OE application technology to oxygen sensors built for import and domestic vehicles. This part number is used in downstream positions on select Mercedes-Benz SLS AMG, Mercedes-Benz ML450, Dodge Sprinter 2500, Dodge Sprinter 3500, Freightliner Sprinter 2500, and Freightliner Sprinter 3500 applications. This part cross-references Bosch 16691 and DENSO Auto Parts 234-4522 for the same application.

What It Helps Address

• Faulty oxygen sensor readings
• Check engine light concerns related to exhaust monitoring
• Incorrect air-fuel feedback to the engine control system
• Emissions performance issues caused by a worn sensor
• Downstream sensor replacement needs on OE-equivalent applications

Installation Notes and Tips

Verify the connector style, wire count, thread diameter, and downstream position before installation. Confirm the vehicle application against the listed fitment for Mercedes-Benz SLS AMG, Mercedes-Benz ML450, Dodge Sprinter 2500, Dodge Sprinter 3500, Freightliner Sprinter 2500, and Freightliner Sprinter 3500. Use the exact part number 23567 to match the correct direct fit oxygen sensor for the application.

Quality Assurance

NTK states that these oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications. The brand also notes its role as a major original equipment oxygen sensor supplier, supporting OE-level fit and function for application-specific replacement.