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The NTK/NGK direct-fit oxygen sensor for Nissan D21 (1994) returns OE-style closed-loop information to the ECU to aid fuel control and emissions monitoring. NTK applies ceramic expertise to manage element production from raw materials through final assembly. The sensor features an advanced ceramic element protected by a 3-stage contaminant-resistant plasma jet and a deposit-trap overcoat to improve resistance to element poisoning.
NGK Nissan D21 1994 Direct Fit Oxygen Sensor
