2008/10/06 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

S/N:FMM19032-UP

S/N:FML07141-UP

S/N:JLW01530-UP

S/N:JRA01826-UP

S/N:JSC07174-UP

S/N:JTF05134-UP

S/N:M7A00223-UP

S/N:MBD10191-UP

S/N:P9L00120-UP

S/N:SJB00660-UP

S/N:X3R00916-UP

S/N:X9Y00311-UP

S/N:Z9X00818-UP

The change is effective at the factory with the engine serial numbers that are listed in Table 2.