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The NGK direct-fit oxygen sensor for Cadillac Catera (1997–1998) swaps in for the OEM unit to provide continuous closed-loop air-fuel feedback to the engine control unit, helping preserve engine efficiency, fuel economy and emissions control. Leveraging NTK sensor expertise, the design uses an advanced ceramic sensing element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to protect against element poisoning and enhance service life.
NGK Cadillac Catera 1998-1997 Direct Fit Oxygen Sensor
