KIT-HYD CYLINDER SEAL 2442050 - Caterpillar

Generator Set:
C9 GEN SET (S/N: X3R1-UP; SRB1-UP; C9E1-UP)
C9 MARINE GEN (S/N: SJB1-UP)
Industrial Engine:
C-9 (S/N: CLJ1-UP)
C9 INDUSTRIAL (S/N: JSC1-UP; MBD1-UP; JLW1-UP)
Marine Engine:
C9 MARINE (S/N: C9B1-UP; CSN1-UP; X9X1-UP)
Petroleum Engine:
C9 PETROLEUM (S/N: P9L1-UP)
Description of Change: A new kit for the fuel transfer pump is now used on C7 and C9 Engines. The new kits have improved mounting bolts. The new bolts are longer. The bolts also have an increased torque value.Adaptable To: Refer to Table 1 for the new replacement part numbers.
Table 1
Old Part Number     New Part Number    
178-2357 Fuel Transfer Pump Gp     326-1006 Fuel Transfer Pump Kit    
272-0617 Fuel Transfer Pump Gp     326-1007 Fuel Transfer Pump Kit    
201-4227 Cover As     326-1008 Cover Kit    Make sure in order to verify the right part number with the pump that is on your engine currently. Refer to your engine's Parts Manual or use the Service Information System (SIS) web site to verify the correct kit for your fuel transfer pump. Also refer to Special Instruction, REHS3830, "Installation Procedure for the Fuel Transfer Kit on the Hydraulic Electronic Unit Injector (HEUI) Pump" for the proper procedure on installing the new kits for the fuel transfer pump.