Browse Cummins ISB 5.9L Cylinder Heads for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 8 listings. Cummins ISB 5.9L Cylinder Head pricing ranges from $525 to $2,175 based on recent marketplace data. Filter by condition, price, or year to find the right Cummins ISB 5.9L Cylinder Head.