QSM11 Cummins Pressure Regulator Plunger 3068979 Parts Catalog Ref No. Part Name Part No. Required 1 Compression Spring 3010146 1 2 Pressure Regulator Plunger 3068979 1 3 Viscosity Sensor 3069728 1 5 Hexagon Flange Head Cap Screw 3895438 2 6 Mounting Spacer 3895439 2 7 Hexagon Flange Head Cap Screw 3895440 1 8 Lubricating Oil Pump 4003950 1 9 Socket …