Description:Elements are important components of jacket water heaters, which are electrically operated immersion heaters fitted to the water jacket surrounding the cylinder block of an engine to warm the coolant in cold weather and function as a starting aid..Attributes:• Voltage: 120 V• Power (Watts): 400 W• Current (Amps): 3.3 Amps• Cap Thread Size: No. 10-32• For use in core plug bore diameter 49.83 mm (163.48 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.