Part number : 3921023500 ( 39210-23500 )
Part name : SENSOR ASSY-OXYGEN
Application model : Hyundai Avante XD

Net weight (in plastic bag) : 0.094kg
Gross weight (in box) : 0.134kg

Terminal

Produced by Hyundai Kefico, made in Korea.

One different thing I noticed is a package. Most of part are packed in transparent plastic bag  but this oxygen sensor is packed in thick silver colored bag. I’m not sure but it may be special bag for sun protection. 

Packed with a thick plastic bag

And I found remark on the part “license  Bosch”
After I checked in Wikipedia, understood why there is the remark.

License Bosch

An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) is an electronic device that measures the proportion of oxygen (O2) in the gas or liquid being analysed. 
It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Dr. Günter Bauman.

From Wikipedia : https://en.wikipedia.org/wiki/Oxygen_sensor

The original technology of oxygen sensor is developed by Bosch.