HOTSTART's line of In-Block heaters mount directly into the water jacket of the engine. These direct immersion block heaters reduce engine wear due to cold starts by up to 50 percent. Warming the engine to the proper temperature also reduces idling and cranking time, saving fuel and increasing battery life.
HOTSTART preheaters are available for most leading makes and models of heavy-duty truck engines and are CSA approved. To specify an in-block heater for your heavy-duty engine, please select your engine manufacturer and model in the drop-down below to locate just the right heater.