NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology. NTK is constantly improving sensor designs to provide excellent performance and improve resistance to failure. NTK works with their OEM manufacturers through each phase of development from concept to production.

ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

The NGK Part #25038 oxygen sensor is a high-quality replacement designed specifically for Mercedes-Benz 190E models from 1984 to 1993. As a critical component of your vehicle's emission control system, this sensor provides precise feedback to the engine control unit (ECU), helping to optimize air-fuel mixture for better performance and fuel efficiency. Manufactured by NGK, a trusted brand in automotive sensors, this oxygen sensor ensures reliable operation and durability under demanding driving conditions.
Constructed with an advanced ceramic sensor element, the NGK sensor features a three-stage contaminant-resistant plasma jet and deposit trap overcoat. This protective coating helps guard against poisoning and contamination, extending the sensor's lifespan and maintaining accurate readings over time. The sensor’s design supports efficient catalytic converter operation and supports vehicle emissions compliance.
This direct-fit sensor is engineered for easy installation and perfect compatibility with the specified Mercedes-Benz 190E models. It is a non-CARB approved part but meets all necessary standards for performance and reliability. The sensor’s compact size and precise fit make it a straightforward replacement, reducing installation time and ensuring optimal vehicle operation. Trust NGK’s proven technology and craftsmanship for your vehicle’s emission sensors and enjoy peace of mind with a component built to meet OEM standards.

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