2015/06/12 Caterpillar

New Fuel System Components are Available for Certain G3500 Engines {1274, 1741, 5137}

Usage:

Engine: G3512E (S/N: SSR1-UP) G3520B (S/N: GLF1-UP) G3520E (S/N: GZE1-UP)
Petroleum Engine: G3508B (S/N: RBK1-UP) G3512B (S/N: JHH1-UP) G3516B (S/N: JEF1-UP) G3520B PETROLEUM (S/N: TPC1-UP)

Description of Change: New fuel system components have been updated to improve engine performance.

Adaptable To: The new fuel system components are listed below along with the components that are being replaced.

Note: Not all components are compatible with previous versions of fuel system components. For further instruction on component compatibility and instructions on the specific parts for your engine model, reference Special Instruction, SEHS0118.

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Table 1
New Parts ⁽¹⁾		Former Parts
Part Number	Part Name	Part Number	Part Name
453-6078	TecJet	365-3258	TecJet
453-6077	TecJet	418-7744	TecJet
452-2248	Gasket (Square)	5R-9779	Gasket (Round)
446-6701	Fuel Tube	324-6795	Fuel Tube
451-7943	Fuel Tube	328-2620	Fuel Tube
454-4732	Bracket	362-1362	Bracket
453-5263	Tube As.	376-5512	Tube As.
453-5264	Tube As.	362-1359	Tube As.
453-5260	Tube As.	347-5974	Tube As.
453-5262	Tube As.	347-5971	Tube As.
453-5259	Tube As.	328-2622	Tube As.
453-5261	Tube As.	339-3163	Tube As.
464-7503	Water Line	438-0033	Water Line
461-6841	Mounting Plate	345-6983	Bracket
461-6842	Mounting Plate	342-4487	Bracket
461-6844	Mounting Plate	328-2614	Bracket
453-3532	Plate	New-Part	N/A
332-8976	Tube ⁽²⁾	332-8976	Tube
330-7378	Tube ⁽²⁾	330-7378	Tube

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^( 1 )	For parts applicable to your specific engine model, reference Special Instruction, SEHS0118.
^( 2 )	This part number has not changed but has been revised to work with the new fuel system.

This change is effective for the serial numbers listed in Table 2.

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Table 2
Sales Model	Affected Serial Numbers
Petroleum Engine
G3508B	S/N:RBK00001-01509
G3512B	S/N:JHH00001-01040
G3516B	S/N:JEF00001-03120
G3520B	S/N:TPC00001-01148, S/N:GLF00001-01107
EPG Engine
G3512E	S/N:SSR00001-00246
G3520E	S/N:GZE00001-00400
G3516H	S/N:GLN00001-00123, S/N:GLM00001-00400