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 Cadillac CTS 2009-2015 Direct Fit Oxygen Sensor, Part #21061, is engineered to optimize your vehicle’s engine performance and fuel efficiency. Designed with advanced ceramic sensor elements, this oxygen sensor features a three-stage contaminant-resistant plasma jet and deposit trap overcoat that safeguards against element poisoning, ensuring long-lasting reliability. As a crucial component of your vehicle's onboard diagnostic system, it provides precise feedback to the ECU to maintain the optimal air-fuel ratio, helping to reduce emissions and improve catalytic converter efficiency. This sensor is manufactured by NGK, a trusted leader in automotive sensor technology, ensuring compatibility and high-quality performance for your Cadillac CTS or Chevrolet Silverado 2500 HD.

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