NGK Part 21069 Direct Fit Oxygen Sensor for Buick LaCrosse and Chevrolet Impala

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 21069 oxygen sensor is engineered to deliver precise air-fuel mixture control, ensuring optimal engine performance and fuel efficiency. Designed specifically for select Buick LaCrosse, Regal models from 2011 to 2014, and the 2014 Chevrolet Impala, this sensor provides a reliable solution to maintain emissions compliance and engine health. Its direct fit design simplifies installation and guarantees compatibility with your vehicle's OE specifications. The sensor's advanced ceramic element is protected by a 3-stage contaminant-resistant plasma jet and deposit trap overcoat, which significantly enhances durability and resistance to poisoning from contaminants, extending service life and reducing the likelihood of failure. This innovation ensures consistent feedback to your vehicle’s ECU, allowing for efficient fuel management and catalytic converter operation.