Lower Gasket Set: Also known as a "Conversion Set", this gasket set includes all of the gaskets for the lower half of the engine. Use with a Head Gasket Set (upper set) to make a complete gasket set (full set). Please be sure to view the image to see what gaskets are included. Some gasket sets will not include certain gaskets such as crank seals, valve cover gaskets, valve stem seals. This is because those gaskets may only be available through an OEM supplier.
Cummins 6B 5.9L ISB (OE# 3802981) Cylinder Head Gasket Set
Item Number: HE4090035
Manufacturer: Reliance
Reference No: HS54174-1
Cummins 6B 5.9L Lower Gasket Set 3802376
Item Number: HE3802376
Manufacturer: Reliance
Reference No: 3802376
Cummins 6B 5.9L ISB (OE# 3802981) Cylinder Head Gasket Set
Item Number: HE4090035
Manufacturer: Reliance
Reference No: HS54174-1