This diesel exhaust fluid (DEF) pump matches the fit and function of the original part. Designed as a plug-and-play replacement, this DEF pump has undergone extensive testing and is made of quality components for reliable service. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Chevrolet Cruze: 2014, 2015] - [Chevrolet Express 2500: 2010, 2011, 2012, 2013, 2014, 2015, 2016] - [Chevrolet Express 3500: 2010, 2011, 2012, 2013, 2014, 2015, 2016] - [Chevrolet Express 4500: 2010, 2011, 2012, 2013, 2014, 2015, 2016] - [Chevrolet Silverado 2500 HD: 2011, 2012, 2013, 2014, 2015, 2016] - [Chevrolet Silverado 3500 HD: 2011, 2012, 2013, 2014, 2015, 2016] - [GMC Savana 2500: 2010, 2011, 2012, 2013, 2014, 2015, 2016] - [GMC Savana 3500: 2010, 2011, 2012, 2013, 2014, 2015, 2016] - [GMC Savana 4500: 2010, 2011, 2012, 2013, 2014, 2015, 2016] - [GMC Sierra 2500 HD: 2011, 2012, 2013, 2014, 2015, 2016] - [GMC Sierra 3500 HD: 2011, 2012, 2013, 2014, 2015, 2016]