Hotstart DD-751 In-Block Heater For Sale in Portland, OR
The Hotstart DD-751 is an In-Block Heater that mounts directly into the water jacket of heavy-duty truck engines. Designed to ensure reliable engine starts even in the coldest conditions. Order your DD-751 in-block engine heater today from Power Systems Plus in Oregon!
For Detroit Diesel Engines
Engine Model
3-53, 4-53, 3-71,
4-71 without water
cooled air compressor
*Mounts in the oval shaped plate on engine block. Check clearance.


Hotstart block heaters are designed to keep diesel and gas generators ready for cold starts and critical operation. Power Systems Plus supplies 




