When doing replacement or upgrading on 2017 – 2018 Kia Niro Touring EX FE LX fog headlamps HID lamps with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

High Beam and Low Beam Headlight 2017 9005
Front Fog Light 2017 H8
Back Up Light 2017 921
Dome Light 2017 12854
Front Side Marker 2017 194
Front Turn Signal 2017 PY21W
License Plate 2017 168
Rear Turn Signal 2017 PY21W
Luggage Compartment 2017 6418
High Beam and Low Beam Headlight 2017 9005
Front Fog Light 2017 H8
Back Up Light 2017 921
Dome Light 2017 6418
Front Side Marker 2017 168
Front Turn Signal 2017 PY21W
License Plate 2017 168
Rear Turn Signal 2017 PY21W
Luggage Compartment 2017 6418
High Beam and Low Beam Headlight 2017 9005
Front Fog Light 2017 H8
Back Up Light 2017 921
Daytime Running Light 2017 1156
Dome Light 2017 12854
Front Side Marker 2017 168
Front Turn Signal 2017 PY21W
License Plate 2017 168
Rear Turn Signal 2017 PY21W
Luggage Compartment 2017 6418
High Beam and Low Beam Headlight 2017 9005
Back Up Light 2017 921
Brake 2017 1157
Daytime Running Light 2017 1156
Dome Light 2017 12854
Front Side Marker 2017 168
Front Turn Signal 2017 PY21W
License Plate 2017 168
Rear Side Marker 2017 168
Rear Turn Signal 2017 1156
Luggage Compartment 2017 12854
Inner Tail Light 2017 194
Outer Tail Light 2017 1157
High Beam and Low Beam Headlight 2018 9005
Front Fog Light 2018 H8
Back Up Light 2018 921
Brake 2018 1157
Daytime Running Light 2018 1156
Dome Light 2018 12854
Front Side Marker 2018 168
Front Turn Signal 2018 PY21W
License Plate 2018 168
Rear Side Marker 2018 168
Rear Turn Signal 2018 1156
Luggage Compartment 2018 12854
Inner Tail Light 2018 194
Outer Tail Light 2018 1157
High Beam and Low Beam Headlight 2018 9005
Front Fog Light 2018 H8
Back Up Light 2018 921
Brake 2018 1157
Daytime Running Light 2018 1156
Dome Light 2018 12854
Front Side Marker 2018 168
Front Turn Signal 2018 PY21W
License Plate 2018 168
Rear Side Marker 2018 168
Rear Turn Signal 2018 1156
Luggage Compartment 2018 12854
Inner Tail Light 2018 194
Outer Tail Light 2018 1157