This Package Includes the Following Items:
1 x Metra 95-7376B Double Din Dash Installation Kit for 2017-Up Hyundai Elantra Vehicles
1 x Hyundai Kia Multi Model Factory Stereo to Aftermarket Radio Harness Adapter

Metra 95-7376B Double Din Dash Installation Kit for 2017-Up Hyundai Elantra Vehicles:
ISO DDIN radio provision
Painted matte black

Wiring and Antenna Connections (sold separately):Harness:70-7304 (without 7-inch display radio)
70-7306 (with 7-inch display radio)

Antenna Adapter:N/A (without 7-inch display radio)
40-KI11 (with 7-inch display radio)

Application:Hyundai: Elantra 2017-Up

Hyundai Kia Multi Model Factory Stereo to Aftermarket Radio Harness Adapter:
Specifications:

Simply plug and play installation, no cutting required
Designed for standard audio system, premium audio may require different harness
Clearly marked color coded wires
Ideal for any aftermarket radio
18 gauge high quality wire
Direct OEM fit connection