Door Lock Actuator is a direct fit for the following:

2009-2013 Chevrolet Silverado 1500
2010-2014 Chevrolet Silverado 2500 HD
2010-2014 Chevrolet Silverado 3500 HD
2009-2013 GMC Sierra 1500
2010-2014 GMC Sierra 2500 HD
2010-2015 GMC Sierra 3500 HD

Genuine GM Part Number: 22862030