Description:Cat® Thermostat Covers are used to regulate engine operating temperature through controlling the flow of fluids entering the engine and ensure proper engine operation for your rugged work environment.Cat® Thermostats components can operate in heavy-duty applications such as severe vibration, shock, extreme operating temperature ranges, thermal cycle, thermal shock, humidity, corrosion and excessive dust.Application:Consult your owner's manual or contact your local Cat Dealer for more information.