Genesis 3.8L 15-16 Oxygen Sensor 39210-3C570, vehicle-specific.

Oxygen sensor for 2015-2016 Hyundai Azera and 3.8L engines, OEM number 39210-3C570, vehicle-specific, a direct replacement for original parts to ensure perfect matching with the engine management system. It monitors exhaust oxygen content in real time and feeds ECU to optimize air-fuel ratio, improving fuel economy and reducing emissions. Replacement difficulty: medium; use a dedicated socket tool and avoid damaging threads; apply anti-seize agent before installation to extend life. This sensor uses high-temperature ceramic elements and is suitable for B2B buyers.