Fit For: 2009-2010 Dodge Ram 1500 Pickup 2009-2010 Dodge Ram 2500 Pickup 2009 Dodge Ram 3500 Pickup 2009-2010 Dodge Ram 4000 2011-2023 Ram 1500 2019-2023 Ram 1500 Classic 2011-2019 Ram 2500 br/>2011-2018 Ram 3500 2011-2020 Ram 4000 Features: Prevents Overheating: Automatically adjusts fan speed based on engine temperature. Saves Fuel: Reduces energy waste, cutting fuel use. Extend component life: Stabilize the pressure of the cooling system, protect the water tank, cylinder gasket, and electronic components, and avoid explosion or failure caused by overheating Ideal For: .