Cat® Engine Heater Wiring Cords are designed to reliably power machine electronics and systems under demanding operating conditions. Direct OEM replacement harness assemblies allow easy field service of Cat® machines with a harness made to meet exact machine requirements. They are critical to diesel machines operating effectively in all standby power applications. The heaters ensure the coolant is maintained to an optimum start temperature. They are designed to be heat resistant. These are direct OEM replacement.Application:Consult your owner's manual or contact your local Cat® Dealer for more information.