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The NGK OE‑type 4‑wire air/fuel sensor for 2004–2007 Toyota Highlander models is a direct replacement that restores proper air–fuel ratio monitoring for engine management. Built to the OE specification with four‑wire connectivity, it delivers the signal required for fuel‑trim and emissions systems and installs like the original sensor to correct sensor‑related faults.
NGK 2007-04 Toyota Highlander OE Type 4-Wire A/F Sensor
