The NGK direct-fit oxygen sensor for Mazda 626 (2000–2002) provides OE-style air–fuel sensing to support closed-loop operation, helping the ECU maintain proper engine response, improve fuel economy and lower emissions. Leveraging NTK ceramic technology, it features a 3-stage contaminant-resistant ceramic element with a plasma-jet and deposit-trap overcoat to resist poisoning and match OEM form and function for dependable replacement.
NGK Mazda 626 2002-2000 Direct Fit Oxygen Sensor