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NGK 4‑wire air‑fuel (wideband) sensor for Toyota Avalon (2000–2004) provides a consistent linear AFR output that helps the ECU tune fuel delivery for optimal combustion and lower emissions. Manufactured by NTK, it incorporates advanced ceramic sensor construction and a 3‑stage contaminant‑resistant overcoat to resist element poisoning. This direct‑fit unit restores precise closed‑loop control and reliable emissions monitoring.
NGK Toyota Avalon 2004-2000 Direct Fit 4-Wire A/F Sensor
