173-7453 COVER GP-VALVE MECHANISM S/N 7WG1-402 NO OIL FILL, MID MOUNTED BREATHER FOR USE WITH MID MOUNTED FUMES DISPOSAL CANNOT BE USED WITH HIGH MOUNTED FUEL FILTER OR OEM WIRING HARNESS 3456

BASIC ENGINE

VALVE MECHANISM GP

0. 173-7453 COVER GP-V
1. 341-6804 COVER GP-V

CRANKSHAFT GP

2. 137-7298 CRANKSHAFT

CYLINDER BLOCK GP

3. 202-1255 CYLINDER B
4. 170-7616 CYLINDER B

CYLINDER HEAD GP

5. 223-7263 CYLINDER H
6. 243-0943 CYLINDER H
7. 243-6741 CYLINDER H
8. 245-4324 CYLINDER H
9. 135-6531 CYLINDER H
0. INFORMATION

GENERATOR SET 3456 GENERATOR SET CCB
3456 Generator Set CCB00001-UP SEBP3373 3456 CCB (2000)

BASIC ENGINE

VALVE MECHANISM GP

170-6525 COVER GP-VALVE MECHANISM

173-7453 COVER GP-VALVE MECHANISM

341-6804 COVER GP-VALVE MECHANISM

109-1657 FASTENER GP-VALVE MECHANISM

148-7482 MECHANISM GP-FUEL PUMP & VALVE

#SEBP33730050

173-7453: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

173-7453 COVER GP-VALVE MECHANISM
S/N 7WG1-402
NO OIL FILL, MID MOUNTED BREATHER
FOR USE WITH MID MOUNTED FUMES DISPOSAL
CANNOT BE USED WITH HIGH MOUNTED FUEL FILTER OR OEM WIRING HARNESS

i01110619 SEBP3373

1737453 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	150-3141 Y	[2]	COVER GP-VALVE MECHANISM
2.	159-9343 Y	[1]	COVER GP-VALVE MECHANISM
	Y		SEPARATE ILLUSTRATION

#SEBP33730051

341-6804: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

341-6804 COVER GP-VALVE MECHANISM
S/N 7WG396-UP
PART OF 170-6525 COVER GP-VALVE MECHANISM

i03531580 SEBP3373

3416804 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	242-9537	[1]	SEAL-VALVE COVER
2.	243-1159	[6]	FASTENER AS
			(EACH INCLUDES)
2A.	149-7378	[1]	GROMMET
3.	455-3837	[1]	COVER AS-VALVE (BREATHER)
3A.	9X-2038	[3]	WASHER (7X19X2-MM THK)

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY

#SEBP33730052

137-7298: CRANKSHAFT GP

CRANKSHAFT GP

137-7298 CRANKSHAFT GP
S/N 7WG1-UP

i00674447 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	253-1752 J	[2]	PLATE-THRUST
2.	319-7401 Y	[1]	SEAL GP-CRANKSHAFT (FRONT)
3.	317-8766 J	[7]	BEARING-MAIN (STANDARD)
	4W-5698 AB		BEARING-MAIN (0.63-MM US)
	4W-5699 AB		BEARING-MAIN (1.27-MM US)
	4W-5700 AB		BEARING-MAIN (0.63-MM OS)
	4W-5701 AB		BEARING-MAIN (0.63-MM OS, 0.63-MM US)
4.	137-5920	[1]	CRANKSHAFT AS
4A.	1W-9302	[1]	GEAR-CRANKSHAFT (80-TEETH)
4B.	7S-5005	[1]	DOWEL
4C.	4N-0684	[1]	DOWEL

			AVAILABLE REPAIR KIT(S):
	243-6718 AJY	[1]	KIT-CRANKSHAFT BEARING (STANDARD)
			(INCLUDES A COMPLETE SET OF MAIN BEARINGS & THRUST PLATE)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	J		KIT MARKED J INCLUDES PART(S) MARKED J
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP33730053

202-1255: CYLINDER BLOCK AS

CYLINDER BLOCK AS

202-1255 CYLINDER BLOCK AS
S/N 7WG1-UP
PART OF 170-7616 CYLINDER BLOCK GP

i01520160 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	420-2631	[6]	LINER-CYLINDER BLOCK
2.	142-6217	[6]	SEAL-O-RING
3.	167-8083	[14]	BOLT (7/8-14X7.5-IN)
4.	9H-1031	[14]	WASHER-HARD (24X41.5X6-MM THK)
5.	167-8081	[7]	CAP-CRANKSHAFT BEARING
6.	9L-5854	[6]	BAND-FILLER (130.2-MM ID)
7.	110-2220	[6]	SEAL-LINER
8.	131-3717	[6]	SEAL D-RING

#SEBP33730054

170-7616: CYLINDER BLOCK GP

CYLINDER BLOCK GP

170-7616 CYLINDER BLOCK GP
S/N 7WG1-UP

i01539745 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	142-2329	[1]	SEAL
2.	202-1255 Y	[1]	CYLINDER BLOCK AS
3.	3E-7448	[1]	CONNECTOR
4.	194-6725 Y	[1]	SENSOR GP-PRESSURE (ENGINE OIL)
5.	6V-5048	[1]	SEAL-O-RING
6.	9S-4182	[1]	PLUG (7/16-20-THD)
7.	9X-7378	[1]	SEAL-O-RING
8.	100-7399	[2]	PLUG
9.	1S-9540	[1]	DOWEL
10.	5P-0840	[1]	SEAL-O-RING
11.	7W-6492	[4]	PLUG-PIPE (1/2-14-THD)(1/2-14 NPTF THD)
12.	6I-1055	[1]	DOWEL
13.	250-0466	[2]	SEAL-O-RING
14.	4N-0683 C	[2]	DOWEL
15.	4N-1650	[1]	DOWEL
16.	6I-4421	[1]	PLATE-SPACER
17.	227-1204	[1]	GASKET (SPACER PLATE)
18.	8S-9094	[1]	PLUG-ORIFICE
19.	9S-4190	[1]	PLUG-O-RING (7/8-14-THD)
20.	114-4427	[1]	SEAL-O-RING
21.	7X-7732	[5]	PLUG-PIPE (3/8-18 NPTF THD)
22.	266-6038 C	[2]	DOWEL
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP33730055

223-7263: CYLINDER HEAD AS

CYLINDER HEAD AS

223-7263 CYLINDER HEAD AS
S/N 7WG1500-UP
WITH PRE-FINISHED VALVE SEAT INSERTS
PART OF 243-6741 CYLINDER HEAD AS, 223-9250 CYLINDER HEAD GP

i01877339 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	122-7375	[24]	GUIDE-VALVE (STANDARD)
	122-0447 AB		GUIDE-VALVE (0.51-MM OS)
	122-8612 AB		GUIDE-VALVE (0.13-MM OS)
2.	216-5582	[7]	BUSHING (STANDARD)
	217-0751 AB		BUSHING (0.25-MM OS)
	217-0752 AB		BUSHING (0.762-MM OS)
	261-3429 AB		BUSHING (1.778-MM OS)
	261-3430 AB		BUSHING (1.27-MM OS)
3.	280-3979	[12]	INSERT-VALVE SEAT (INLET)(STANDARD)
4.	226-5561	[12]	INSERT-VALVE SEAT (EXHAUST)(STANDARD)
	288-4883 AB		INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)
	AB		INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)
5.	263-4920	[6]	SLEEVE-INJECTOR (INLET)
8.	166-2904	[12]	SEAL-O-RING
9.	3B-0623	[17]	PLUG-CUP
10.	3B-0645	[20]	PLUG-CUP
11.	8T-6757	[3]	PLUG-PIPE
12.	9X-7430	[6]	SEAL-O-RING
13.	493-9591	[1]	HEAD-CYLINDER
	448-3297	[1]	HEAD-CYLINDER
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED

#SEBP33730056

243-0943: CYLINDER HEAD AS

CYLINDER HEAD AS

243-0943 CYLINDER HEAD AS
S/N 7WG1500-UP
PART OF 243-6741 CYLINDER HEAD AS

i01983776 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	152-7582	[12]	INSERT-VALVE SEAT (EXHAUST)(STANDARD)
	167-0642 AB		INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)
	170-4737 AB		INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)
2.	175-3617	[12]	INSERT-VALVE SEAT (INLET)(STANDARD)
	167-0643 AB		INSERT-VALVE SEAT (0.76-MM OS, INLET)
	170-4738 AB		INSERT-VALVE SEAT (0.51-MM OS, INLET)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED

#SEBP33730057

243-6741: CYLINDER HEAD AS

CYLINDER HEAD AS

243-6741 CYLINDER HEAD AS
S/N 7WG1500-3387
WITH MACHINE IN PLACE VALVE SEAT INSERTS
PART OF 223-9250 CYLINDER HEAD GP

i01983686 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	122-7375	[24]	GUIDE-VALVE (STANDARD)
	122-0447 AB		GUIDE-VALVE (0.51-MM OS)
	122-8612 AB		GUIDE-VALVE (0.13-MM OS)
2.	216-5582	[7]	BUSHING (STANDARD)
	217-0751 AB		BUSHING (0.25-MM OS)
	217-0752 AB		BUSHING (0.762-MM OS)
	261-3429 AB		BUSHING (1.778-MM OS)
	261-3430 AB		BUSHING (1.27-MM OS)
3.	227-4239	[6]	SLEEVE-INJECTOR
4.	243-0943 Y	[1]	CYLINDER HEAD AS
			-OR-
	223-7263 Y	[1]	CYLINDER HEAD AS
5.	166-2903	[6]	SEAL-O-RING
6.	166-2904	[6]	SEAL-O-RING
7.	3B-0623	[17]	PLUG-CUP
8.	3B-0645	[20]	PLUG-CUP
9.	8T-6757	[3]	PLUG-PIPE
10.	9X-7430	[6]	SEAL-O-RING
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP33730058

245-4324: CYLINDER HEAD AS

CYLINDER HEAD AS

245-4324 CYLINDER HEAD AS
S/N 7WG1-UP
PART OF 183-5296 CYLINDER HEAD GP

i03949631 SEBP3373

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Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	122-7375	[24]	GUIDE-VALVE (STANDARD)
	122-0447 AB		GUIDE-VALVE (0.51-MM OS)
	122-8612 AB		GUIDE-VALVE (0.13-MM OS)
2.	9X-7430	[6]	SEAL-O-RING
3.	216-5582	[7]	BUSHING (STANDARD)
	217-0751 AB		BUSHING (0.25-MM OS)
	217-0752 AB		BUSHING (0.762-MM OS)
	261-3429 AB		BUSHING (1.778-MM OS)
	261-3430 AB		BUSHING (1.27-MM OS)
4.	224-3983	[12]	INSERT-SEAT (INLET)(STANDARD)
	314-3063 AB		INSERT-VALVE SEAT (0.55-MM THK)
	314-3064 AB		INSERT-VALVE SEAT (0.13-MM OS, INLET)
	314-3065 AB		INSERT-VALVE SEAT (0.13-MM OS)
	314-3066 AB		INSERT-VALVE SEAT (0.26-MM OS, INLET)
	314-3067 AB		INSERT-VALVE SEAT (0.26-MM OS)
	314-3068 AB		INSERT-VALVE SEAT (0.51-MM OS, INLET)
	314-3069 AB		INSERT-VALVE SEAT (0.51-MM OS)
5.	226-5561	[12]	INSERT-VALVE SEAT (EXHAUST)(STANDARD)
	288-4883 AB		INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)
	AB		INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)
6.	263-4920	[6]	SLEEVE-INJECTOR (INLET)
7.	166-2904	[12]	SEAL-O-RING
8.	3B-0623	[17]	PLUG-CUP
9.	3B-0645	[20]	PLUG-CUP
10.	8T-6757	[3]	PLUG-PIPE
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED

#SEBP33730059

135-6531: CYLINDER HEAD GP

CYLINDER HEAD GP

135-6531 CYLINDER HEAD GP
S/N 7WG1-UP

i01390769 SEBP3373

For full view, you need register

Parts for your 3456 GENERATOR SET:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	107-8618	[1]	SENSOR GP-TEMPERATURE (INLET AIR)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	186-3735	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
	112-4550 E		SLEEVE (31-CM)
2.	194-6724 Y	[1]	SENSOR GP-PRESSURE (TURBOCHARGER OUTLET)
3.	8T-6763	[1]	PLUG-PIPE (1/4-18-THD)
4.	224-5122	[1]	GASKET (CYLINDER HEAD)
5.	183-5296 CY	[1]	CYLINDER HEAD GP
6.	194-8124	[6]	SLEEVE AS (EXHAUST PORT)
7.	3E-6772	[24]	SEAL (WATER)
8.	6I-4025	[16]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
8A.	124-1855	[1]	BOLT-12 POINT HEAD (3/4-16X7.638-IN)
8B.	5H-1504	[1]	WASHER-HARD (20X33.5X5-MM THK)
9.	6V-5048	[1]	SEAL-O-RING
10.	6V-5049	[5]	SEAL-O-RING
11.	106-5673	[10]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
11A.	124-1854	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
11B.	5H-1504	[1]	WASHER-HARD (20X33.5X5-MM THK)
12.	8T-6762	[1]	PLUG-PIPE (1/2-14-THD)
13.	8L-2786	[1]	SEAL-O-RING
14.	2P-8421	[1]	ADAPTER-O-RING
15.	008-6817	[1]	ELBOW
16.	9S-8004	[3]	PLUG (9/16-18-THD)
17.	5P-0840	[1]	SEAL-O-RING
18.	030-3978	[1]	CONNECTOR
19.	6V-5050	[1]	SEAL-O-RING
20.	100-5725	[1]	STUD (3/8-16X1.25-IN)
21.	8T-4896	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
22.	8T-6765	[2]	PLUG-PIPE (1/4-18-THD)
23.	9S-4191	[1]	PLUG (9/16-18-THD)
24.	9S-4190	[1]	PLUG-O-RING (7/8-14-THD)
25.	6V-3251	[1]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION