The pump uses a mechanical type shaft seal with a Nitrile rubber element
MCB3306162 GASKET SET
Also offered as 181990OEM (imaged for reference)
BBK-7142 Bearing and Seal Kits
PAI BSH-5584 MACK 271945059 AXLE
MaxiForce® Cummins® IK7799F/6 Kit, I/F 6BT 5.9 QSB, .50mm 240GB5263M3 The pump uses a mechanicalProduct Details : Select Cummins Applications. OEM Reference : Cummins IK7799F 6. Please do not hesitate to contact us with your vehicle, engine and or part(s) details to determine if this product is appropriate for your particular engine and or application. MaxiForce : Brand New, Premium Replacement Parts Coverage for Caterpillar, Cummins, International Harvester, John Deere, Komatsu, Mitsubishi, Navistar, Perkins, Shibaura, Thermo King and Yanmar