QSK38 Cummins Engine Crankshaft 3648630 Parts Catalog Ref No. Part Name Part No. Required 　 Engine Crankshaft 3648630 1 1 Plain Washer 205126 16 2 Fracture Resistant Screw 219153 16 3 Crankshaft Counter Weight 3176216 8 4 Ring Dowel 3642450 16 5 Engine Crankshaft 3648631 1 6 Crankshaft Gear 3175255 1 7 Crankshaft Gear 3628798 1 8 Plain Woodruff Key …