LAMP-SEALED UNIT 6N7987 - Caterpillar

Engine:
C7 (S/N: JRA1-UP; JTF1-UP; RMF1-UP; FML1-UP; FMM1-UP; JRT1-UP; WAX1-UP)
C9 (S/N: LFE1-UP; X3R1-UP; C9Y1-UP)
Generator Set:
C9 (S/N: C9E1-UP; S9L1-UP)
C9 (S/N: SJB1-UP)
C9 (S/N: C9A1-UP)
Industrial Engine:
C9 (S/N: JSC1-UP; MBD1-UP; JLW1-UP)
Marine Engine:
C7 (S/N: M7A1-UP)
C9 (S/N: CSN1-UP; X9Y1-UP)
Truck Engines:
C7 (S/N: LBM1-UP)
Petroleum Engine:
C7 (S/N: K2A1-UP; C7P1-UP)
C9 (S/N: P9L1-UP; KLW1-UP)
Petroleum Power Train Package:
TH31-C9I (S/N: PAZ1-UP)
TH31-C9P (S/N: PFZ1-UP)
TH31-C9T (S/N: PAY1-UP)
Description of Change: These new fuel pressure regulators have an improved design eliminating the o-ring seal and providing a more robust metal to metal joint inside the regulator.Adaptable To: The new fuel pressure regulators are a direct replacement for the existing regulators on the serial numbers listed above. Refer to Table 1 for the part numbers of the new regulators and the existing regulators that are being replaced.
Table 1
New Part Number     Existing Part Number    
369-6662     294-8620    
372-5196     294-8621    This change is effective for all engine serial numbers listed in Table 2.
Table 2
Effective Serial Numbers    
S/N:JTF13786-UP    
S/N:JRA2060-UP    
S/N:X3R1419-UP    
S/N:C9Y319-UP    
S/N:C9E2533-UP    
S/N:SJB1070-UP    
S/N:C9A990-UP    
S/N:JSC21202-UP    
S/N:MBD11499-UP    
S/N:JLW3424-UP    
S/N:M7A470-UP    
S/N:CSN1135-UP    
S/N:X9Y681-UP    
S/N:K2A102-UP    
S/N:C7P227-UP    
S/N:P9L341-UP    
S/N:KLW176-UP    
S/N:PAZ201-UP    
S/N:PFZ151-UP    
S/N:PAY173-UP    
S/N:RMF10358-UP    
S/N:WAX80950-UP    
S/N:LBM845-UP