The Hotstart JDS-101 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 JDS-101 in-block engine heater today from Power Systems Plus in Oregon!
John Deere
Engine Model
With 1-5/8” opening on the side of the water jacket
*1-5/8” (1.625”) threaded opening on the side of the block in the water distribution channel.



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




