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Read moreMORE INFOIn-block Engine Heaters
Genuine HOTSTART in-block engine heaters. Each heater installs directly into a core (freeze) plug, threaded plug or plate opening in the engine block to heat the coolant for faster cold starts, reduced engine wear and lower start-up emissions. All models are 240 V and supplied complete with a 2-wire w/ground 6 ft (1.8 m) HPN cord and plug. Select the correct part number for your engine make and model from the fitment table below — if you are unsure which heater suits your engine, contact us and we will confirm the right part.











