KTA50 Cummins Pressure Relief Valve 4924730 Parts Catalog Ref No. Part Name Part No. Required 　 Lubricating Oil Pump BP6148 　 1 Hexagon Head Cap Screw S113 4 2 Hexagon Head Cap Screw S112 2 3 Hexagon Head Cap Screw S121B 2 4 Lock Washer S608 4 5 Hexagon Head Cap Screw 103023 3 6 Lock Plate 109319 2 7 …