Cummins 5.9 Firing Order

Firing order: 1-5-3-6-2-4 (153624).

Cylinder numbering: 1 to 6 front to rear

Firing order diagram

firing order 1-5-3-6-2-4. The small number by each cylinder is its place in the firing order.


Engines	Cummins 5.9L B-series 12-valve and 24-valve
Years	1989-2007
Firing order	1-5-3-6-2-4
Cylinder numbering	1 to 6 front to rear