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The NGK direct-fit oxygen sensor for Cadillac Catera (1999–2001) replaces the factory unit to deliver continuous closed-loop air-fuel feedback to the engine control unit, supporting proper mixture control, fuel efficiency and emissions monitoring. Using NTK sensor expertise, the unit features an advanced ceramic element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to guard against element poisoning and improve reliability over time.
NGK Cadillac Catera 2001-1999 Direct Fit Oxygen Sensor
