Fitment: 2013-2018 RAM 2500 2013-2018 RAM 3500 2013 RAM 4000 2013-2018 RAM 4500 2013-2018 RAM 5500 Features: 1.Prevents Overheating: Automatically adjusts fan speed based on engine temperature. 2.Saves Fuel: Reduces energy waste, cutting fuel use. 3.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. How to Detect a Faulty Fan Clutch? 1.Fan spins excessively when engine is stopped. 2.Poor A/C performance at idle or low vehicle speeds. 3.Fan speed does not increase when engine is hot. .
