QSK50 Cummins Liner Kit 3007525 Parts Catalog Ref No. Part Name Part No. Required Cylinder Block Kit 4955242 1 Cylinder Block 4927512 1 1 Cylinder Block 4927511 1 2 Plain Washer 139990 18 3 Ring Dowel 3176857 9 4 Plain Washer 3025485 18 5 Bushing 205230 34 6 Fracture Resistant Screw 3628452 18 7 Twelve Point Cap Screw 205584 18 …