RING-SEAL 8E1842 - Caterpillar

Engine:
C7 (S/N: FML1-UP; FMM1-UP)
Generator Set:
C9 (S/N: C9E1-UP; X3R1-UP)
C9 MARINE GEN (S/N: SJB1-UP)
Industrial Engine:
C7 (S/N: JRA1-UP; JTF1-UP)
C9 (S/N: JSC1-UP; MBD1-UP; JLW1-UP)
Marine Engine:
C7 (S/N: M7A1-UP; C7D1-UP; C7Z1-UP)
C9 (S/N: C9A1-UP; X9Y1-UP; Z9X1-UP)
Petroleum Engine:
C9 PETROLEUM (S/N: C7P1-UP; P9L1-UP)
Description of Change: New fuel injectors are now used in the engines that are listed above. The new injectors have improved springs that increase the durability of the injectors.Adaptable To:
Table 1
Old Fuel Injector Group Part Number     New Fuel Injector Group Part Number     Serial Number Prefix Usage    
293-4072     328-2574     S/N:JSC, MBD    
293-4073     328-2576     S/N:JSC, MBD, JLW, P9L    
293-4074     328-2580     S/N:C9E, X3R, X9Y, Z9X    
293-4069     328-2581     S/N:C9A, SJB    
295-1410     328-2582     S/N:FMM, FML    
295-1411     328-2585     S/N:JRA, JTF, C7P    
295-1412     328-2586     S/N:JRA, JTF, C7P    
295-9166     328-2587     S/N:M7A, C7Z, C7D    The new fuel injectors are direct replacements for the old fuel injectors. Refer to Table 1. The new fuel injectors are adaptable back to the first production of the listed engines. The equivalent latest improved remanufactured fuel injectors are available for the applicable fuel injector groups that are listed above.
Table 2
Effective Serial Numbers    
S/N:C7D03029-UP    
S/N:C7P00158-UP    
S/N:C7Z00404-UP    
S/N:C9A00907-UP    
S/N:C9E01127-UP