Remote Fob Transmitter is a direct fit for the following:

2016 Chevrolet Silverado 1500
2016-2018 Chevrolet Silverado 2500 HD
2016-2018 Chevrolet Silverado 3500 HD
2015-2016 GMC Sierra 1500
2015-2019 GMC Sierra 2500 HD
2015-2019 GMC Sierra 3500 HD

Genuine GM Part Number: 84424017