Vehicle Fitment - Compatible for Chrysler 300 3.6L 2011-2018; for Dodge Charger 3.6L 2011-2018; for Dodge Challenger 3.6L 2011-2018. [REPLACE PART NO.] 5184977AE 5184977AD. Prior to buying, please verify the make, model, and year of your vehicle. Function - Thermostat housing acts as the coolant outlet, it is normally located on the engine block or cylinder head. It will regulates the flow of the coolant going through the radiator to keep the engine stay in stable operating temperature levels.This Engine Coolant Thermostat Housing Assembly is designed to match the function and form of the original one, exactly OEM design to replace your old worn parts ensure your vehicle performs with optimum levels of safety. Directly Fit - Engine coolant thermostat housing assembly, easy to fit. Easy to install with simple tools in just minutes. No special tools are required for installation. Purchase with assurance - 365 Days of Unrestricted Mileage Guarantee We work hard to give you a positive shopping experience because we genuinely care about your satisfaction. Please don't hesitate to contact us with any more questions. Function - Thermostat housing acts as the coolant outlet, it is normally located on the engine block or cylinder head. It will regulates the flow of the coolant going through the radiator to keep the engine stay in stable operating temperature levels.This Engine Coolant Thermostat Housing Assembly is designed to match the function and form of the original one, exactly OEM design to replace your old worn parts ensure your vehicle performs with optimum levels of safety.