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The NGK direct-fit oxygen sensor for Cadillac DeVille (2000–2005) replaces the original sensor to supply continuous closed-loop air-fuel feedback to the engine control unit, helping keep air-fuel ratio, fuel efficiency and emissions in check. Utilizing NTK sensor technology, the unit incorporates an advanced ceramic element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to guard against element poisoning and enhance service life.
NGK Cadillac DeVille 2005-2000 Direct Fit Oxygen Sensor
