The NGK direct-fit oxygen sensor for Acura CL (1997–1999) provides continuous oxygen feedback to the engine computer to help maintain the air–fuel ratio, fuel efficiency and emissions diagnostics. Using NTK’s OEM sensor development, the unit features an advanced ceramic element protected by a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to improve resistance to contamination and premature failure.
NGK Acura CL 1999-1997 Direct Fit Oxygen Sensor