Description
HOTSTART in-block engine heater, part DD-751, DD-752. 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: 750 W
- Voltage options: 120 V, 240 V
- Engine makes: Detroit Diesel
Engine applications: Detroit Diesel 3-53, 4-53, 3-71, 4-71 without water cooled air compressor.
Installation / fitment: Mounts in the oval shaped plate on engine block. Check clearance.





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