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The NGK OE-style 4-wire air/fuel sensor for Infiniti QX60 (2014–2017) is a direct-fit replacement that restores accurate exhaust oxygen monitoring for the engine control unit to help maintain proper air–fuel balance. As an OE-type four-wire sensor it uses the factory electrical interface so installation is straightforward and readings remain dependable.
NGK 2017-14 Infiniti QX60 OE Type 4-Wire A/F Sensor
