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The NGK OE‑type 4‑wire air/fuel sensor for 2019–2024 Infiniti QX50 applications is a direct OE replacement that restores proper air–fuel ratio sensing for the engine control system. Engineered to match the original sensor’s fit and electrical configuration, it supplies the signal used by fuel‑trim and emissions controls and installs without special modification.
NGK 2024-19 Infiniti QX50 OE Type 4-Wire A/F Sensor
