Description
HOTSTART in-block engine heater, part CUN-151B, CUN-152B. 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. Supplied complete with a 2-wire w/ground 6 ft (1.8 m) HPN cord and plug.
- Wattage: 1500 W
- Voltage options: 120 V, 240 V
- Engine makes: Cummins
Engine applications: Cummins Group I – Flat plate design (H, NT, NH, N Family; 855 CID / N14).
Installation / fitment: 6 bolt flat plate on the right side of the engine. May use either the forward or rear opening depending on clearance.





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