OEM Cross Reference: Exact replacement for Cummins 4090035 upper gasket set designed for 5.9L 24 valve 6BT diesel engines years 1998.5 through 2002.
Vehicle Compatibility: Fits Dodge Ram 2500 and 3500 pickup trucks with 24V Cummins diesel powerplants ensuring precise seal alignment.
MLS Technology: Includes multi-layer steel cylinder head gasket and composite seals for maximum thermal resistance under heavy load conditions.
Complete Upper Kit: Package contains head gasket manifold exhaust gaskets valve stem seals O-rings and rubber grommets for top end rebuild.
Leak Prevention: Engineered to seal combustion pressure oil and coolant passages between the cylinder head and engine block.