2011/06/16 Caterpillar

New Fuel Pressure Regulators Are Used on Certain C7 and C9 Engines {1715}

Usage:

C7 C7P

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.

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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.

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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