Dorman Exhaust Manifold For 1998.5-2002 Dodge 5.9L Cummins 674-602 Dorman Exhaust Manifold For 1998.5-2002 Dodge 5.9L Cummins 674-602 Ships To Continental US Only. The Dorman 674-602 Exhaust Manifold for your 1998.5-2002 Dodge 5.9L Cummins gives you an affordable solution to replacing the old cracked... MSRP: Was: Now: $259.95 Add to Cart The item has been added