2015/06/05 Caterpillar

New Fuel Injectors Are Used On Certain Tier 4 C9.3 Machine Engines {1254, 1290}

Usage:

C9.3 C9N

Industrial Engine: C9.3 (S/N: C9N1-UP; D9N1-UP; CA91-UP; CP91-UP; CS91-UP)

Description of Change: The new fuel injectors used have improved seals and solenoids to help prevent leaks.

Adaptable To: Table 1 below list the new fuel injector part numbers. Table 2 list the effective serial numbers for this change.

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Table 1
Qty	Part Number	Part Description
6	20R-5036	Fuel Injector Gp
6	20R-5072	Fuel Injector Gp
6	20R-5073	Fuel Injector Gp
6	20R-5074	Fuel Injector Gp
6	20R-5075	Fuel Injector Gp
6	20R-5076	Fuel Injector Gp
6	20R-5078	Fuel Injector Gp
6	20R-5079	Fuel Injector Gp
6	20R-5081	Fuel Injector Gp
6	20R-5082	Fuel Injector Gp
6	20R-5083	Fuel Injector Gp
6	456-3493	Fuel Injector Gp
6	456-3509	Fuel Injector Gp
6	456-3524	Fuel Injector Gp
6	456-3544	Fuel Injector Gp
6	456-3545	Fuel Injector Gp
6	456-3546	Fuel Injector Gp
6	456-3547	Fuel Injector Gp
6	456-3548	Fuel Injector Gp
6	456-3549	Fuel Injector Gp
6	456-3588	Fuel Injector Gp
6	456-3589	Fuel Injector Gp
6	456-3645	Fuel Injector Gp
6	460-8213	Fuel Injector Gp

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Table 2
Effective Serial Numbers
S/N:C9N01545-UP
S/N:CA900102-UP
S/N:CP900002-UP
S/N:CS900707-UP
S/N:D9N05408-UP

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