55056840AC. Engine Cooling Fan Motor. The engine types may include 5.7L 345Cu. V8 GAS OHV Naturally Aspirated,5.7L 345Cu. V8 MILD HYBRID EV-GAS (MHEV) OHV Naturally Aspirated. This part fits vehicles made in the following years 2011,2012,2013,2014, 2015,2016,2017,2018,2019,2020,2021.