- 530
- 711
- 93
- Location
- Canton, PA
Does anyone know the direction of coolant flow for the 250 Cummins? I am trying to install a coolant filter and plum it in before the heater core on the truck. Any help would be appreciated.
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Coolant Flow Direction for m813
- Thread starter muthkw25
- Start date
- 1,450
- 123
- 63
- Location
- Gray, GA
This is the 250 in my M923 but should be the same as yours. Mine is run parallel to the heater core. Heater hoses are green and filter hoses are black. Coolant flows top to bottom...in from right next to the thermostat housing and out into the oil cooler.
