The NGK direct-fit oxygen sensor for Hyundai Sonata (2011) returns accurate air-fuel information to the engine control unit. As an NTK OEM-quality sensor, it provides continuous closed-loop feedback to help maintain engine performance, improve fuel efficiency and reduce harmful emissions while monitoring catalytic converter and fuel delivery condition. NTK's ceramics expertise and a 3-stage contaminant-resistant plasma-jet element plus deposit trap overcoat boost resistance to element poisoning and failure.
NGK Hyundai Sonata 2011 Direct Fit Oxygen Sensor