New OEM Genuine Hyundai o2 Oxygen Sensor in the box, not aftermarket junk!

Fits the right front passenger (USA) side upper position on the exhaust manifold, above the converter (shown in schemetic)

Fits 3.8 motor only:
2012-2014 Genesis
​​​​​​​2015 K900

OEM # 3921-03C510