Block Heater Cummins ISB 5.9 & 6.7

Part number: 3500022
Price range: $82.01 – $88.33
Last checked: Oct 29, 2026

Industry research · October 29, 2026

Winter preparation: school bus heating, defrosting and cold-start parts

35 matched heater, blower, control, coolant-pump and engine block-heater parts for winter procurement planning. Motor rotation, connector and assembly type are kept distinct.

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

Engine block heater for Cummins. 750 Watts of heat output, 120 Volt. Installs in 3/4" NPT port rear of oil cooler. 5.9 ISB 6.7 ISB

Suppliers (2)

TAC Bus Parts
3500022 Engine Block Heater for Cummins ISB · In stock
Checked Oct 29, 2026
$82.01
View at supplier
A Parts Warehouse
Block Heater Cummins ISB 5.9 & 6.7 · In stock
Checked Oct 28, 2026
$88.33
View at supplier

Price history

Date	Supplier	Price	Stock
Oct 29, 2026	TAC Bus Parts	$82.01	In stock (11 available)
Oct 28, 2026	A Parts Warehouse	$88.33	In stock