Premium NTK OZAS Lambda Oxygen Sensor designed for CHANGAN Eado 2019 models, ensuring precise air-fuel ratio monitoring for optimal engine performance. Direct OE replacement with exact fit (3742050-B05-AA), featuring anti-vibration stainless steel housing and laser-welded zirconia sensing element. High-temperature ceramic heater withstands extreme engine conditions while maintaining 0.1V-0.9V signal accuracy. Factory-calibrated for instant plug-and-play installation without ECU reprogramming. Corrosion-resistant PTFE wiring harness with OEM-grade connectors ensures long-term durability. Specifically engineered for turbocharged and direct injection systems common in modern sedans. Ships with anti-seize compound pre-applied for hassle-free maintenance. Bulk purchase discounts available for repair shops and fleet managers.