SOLENOID SHUT-OFF 3304 INDUSTRIAL ENGINE

Pos.	Part No	Qty	Parts name
1.	3B-9406	[1]	ELBOW
2.	9F-7837	[1]	CONTACTOR (Oil Pressure)
3.	5L-5645	[1]	SOLENOID (shut-off)
4.	5L-8982	[1]	SHAFT
5.	5B-9079	[1]	NUT
6.	5L-8983	[1]	SPRING
7.	4S-8787		WIRE (ORDER BY THE FOOT) 5"
8.	2L-8079	[1]	TERMINAL
9.	2L-8076	[1]	TERMINAL
10.	2L-3402	[1]	SWITCH
	4S-8787		WIRE (ORDER BY THE FOOT) 84"
	2L-8075	[3]	TERMINAL
	2L-8081	[1]	TERMINAL
11.	5L-6435	[1]	CONTACTOR
	4F-8184	[1]	BUSHING

#UEG0125S0031

TACHOMETER AND DRIVE

c105581 UEG0125S

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
	6B-2801	[1]	CABLE ASSEM.
1.	7H-0711	[1]	CORE ASSEM.
2.	2F-6972	[1]	CASING ASSEM.
3.	7L-5420	[1]	ADAPTER ASSEM.
4.	7L-0408	[1]	TACHOMETER

#UEG0125S0032

2S-0423: SERVICE METER GROUP

SERVICE METER GROUP

2S423 SERVICE METER GROUP

c125451 UEG0125S

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2S-0403	[1]	HOUSING ASSEM.
8H-5254	[1]	GEAR (48 TEETH)
		(PART OF COUNTER ASSEM. 8H5255)
9B-2232	[1]	CAP
2S-1270	[1]	BEARING
		(PART OF HOUSING ASSEM 2S403)
9M-3866	[1]	GASKET
4S-7001 C	[1]	RETAINER ASSEM.
8H-5255	[1]	COUNTER ASSEM.
8H-5961	[1]	COUNTER
		(PART OF COUNTER ASSEM. 8H5255)
9M-7660	[1]	GASKET
8H-5124	[1]	PLATE
7B-3028	[2]	SCREW
		(PARTS OF HOUSING ASSEM. 2S403)
2B-2695 H	[1]	BOLT
3B-4505 H	[1]	LOCKWASHER
2S-0407	[1]	SHAFT
4F-7391 H	[1]	SEAL
9M-4256	[1]	BEARING
		(PART OF HOUSING ASSEM. 2S403)
1S-3365	[1]	WINDOW
3S-9557	[4]	SCREW
1D-4539 H	[1]	BOLT
3B-4505 H	[1]	LOCKWASHER
C		INDICATES CHANGE FROM PREVIOUS
H		NOT PART OF 2S423 SERVICE METE

#UEG0125S0033

8H-4681: FILTER GP-PRIMARY FUEL

FILTER GP-PRIMARY FUEL

8H4681 PRIMARY FUEL FILTER GROUP

c100792 UEG0125S

8H4681 FILTER GP-PRIMARY FUEL Parts scheme

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
8H-2807	[ 1]	NUT
2A-1162	[ 1]	GASKET
7H-9680	[ 1]	COVER
1L-3769	[ 1]	RING
8H-2778	[ 1]	GASKET
9M-2341	[ 1]	ELEMENT ASSEM. (WASHABLE)
8H-2810	[ 1]	CASE ASSEM.
7H-9678	[ 1]	RETAINER
2H-3429	[ 1]	RING
7S-9323	[ 1]	SPRING

#UEG0125S0034

7L-0543: FUEL TRANSFER PUMP GROUP

FUEL TRANSFER PUMP GROUP

7L543 FUEL TRANSFER PUMP GROUP

c105125 UEG0125S

7L0543 FUEL TRANSFER PUMP GROUP Parts scheme

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2F-8616	[1]	NUT
2.	8H-9806	[1]	GEAR (11 Teeth)
3.	6J-2419	[2]	SEAL
4.	7S-4439	[1]	RING
5.	7S-4434	[1]	BODY ASSEM.
6.	8F-6058	[1]	BEARING
7.	2S-6838	[1]	SHAFT
			(Parts of 7S4434 Body Assem.)
8.	8S-4368	[1]	GEAR (Idler 10 Teeth)
9.	8L-6295	[1]	COVER ASSEM.
10.	8S-5575	[1]	SEAL
11.	7S-4433	[2]	FERRULE
			(Parts of 8L6295 Cover Assem.)
12.	7H-3171	[1]	PLUG
13.	8S-4373	[1]	SHAFT ASSEM.
14.	8S-4368	[1]	GEAR (Drive 10 Teeth)
			(Part of 8S4373 Shaft Assem.)
15.	9F-6641	[6]	SCREW
16.	4B-3388 H	[2]	BOLT
17.	3B-4505 H	[2]	LOCKWASHER
18.	7S-2374	[1]	GASKET
19.	8S-4375	[1]	CAGE ASSEM.
20.	8F-6058	[1]	BEARING
21.	4S-7756	[2]	SEAL
			(Parts of 8S4375 Cage Assem.)
22.	3H-1489	[1]	KEY
23.	8B-1261 H	[1]	TEE
24.	3B-7738 H	[1]	NIPPLE
25.	4D-9986 H	[1]	SEAL
26.	4M-8303 H	[1]	SEAL
27.	7S-4441 H	[1]	ADAPTER (Service Meter)
	H		NOT PART OF 7L543 TRANSFER PUM

#UEG0125S0035

FUEL FILTER AND PRIMING PUMP

FUEL FILTER AND PRIMING PUMP
9H2256 Pump parts are shown on Page 30

c126188 UEG0125S

None FUEL FILTER AND PRIMING PUMP Parts scheme

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7H-3171	[1]	PLUG
2.	7L-7451	[1]	BASE ASSEM.
	9S-4167 C	[1]	STUD
			(Part of 7L7451 Base Assem.)
3.	4M-5317	[1]	BUSHING
4.	6D-0238	[1]	VALVE ASSEM.
5.	2A-4639	[1]	BOLT (1.625" long)
	1D-4717	[1]	NUT
6.	0S-1588	[3]	BOLT (1.250" long)
7.	3B-4506	[2]	LOCKWASHER
8.	4B-4278	[2]	WASHER
9.	7L-7368	[1]	GASKET
10.	8L-8612	[1]	TANK ASSEM. (Top)
11.		[1]	PLUG
			(Part of 8L8612 Tank Assem.)
12.	6L-7611	[1]	FITTING
13.	4S-6526 C	[1]	SPRING
14.	2F-4355	[1]	STOP
15.	1F-5842	[1]	BOLT
16.	3B-4505	[5]	LOCKWASHER
17.	4B-4277	[5]	WASHER
18.	2S-4015 C	[1]	PLUNGER ASSEM.
19.	4B-5647	[1]	GASKET
20.	1B-2790	[3]	BOLT
21.	7L-7364	[1]	GASKET
22.	7L-0442	[1]	TUBE (6.76" long-Outlet)
23.	9H-2256 Y	[1]	FUEL PRIMING PUMP ASSEM.
			(See Separate Illustration)
24.	3B-8998	[3]	FITTING
25.	1F-1344	[3]	NUT
			(1 in each 3B8998 Fitting)
26.	7L-0436	[1]	SUPPORT
27.	1H-7922	[1]	FITTING
28.	1F-1344	[1]	NUT
			(Part of 1H7922 Fitting)
29.	7B-6368	[1]	BALL
30.	7B-6365	[1]	SPRING
31.	7B-7840	[1]	RETAINER
32.	7L-0399	[1]	TUBE (8.13" long-Inlet)
33.	3B-7721	[1]	BUSHING
34.	7L-7363	[1]	GASKET
35.	1B-9575	[1]	BOLT
36.	7L-7434	[1]	TANK (Bottom)
37.	9H-4557	[2]	SEAL
38.	7L-7345	[1]	SLEEVE
39.	6L-7440	[1]	FILTER ASSEM.
40.	3K-8909	[2]	LOCKWASHER
41.	1N-7970	[1]	TUBE
42.	2B-2404	[1]	CLIP
	C		INDICATES CHANGE FROM PREVIOUS
	Y		SEPARATE ILLUSTRATION

#UEG0125S0036

9H-2256: FUEL PRIMING PUMP ASSEMBLY

FUEL PRIMING PUMP ASSEMBLY

9H2256 FUEL PRIMING PUMP ASSEMBLY
Part of Fuel Filter and Priming Pump shown on Page 29

c100714 UEG0125S

9H2256 FUEL PRIMING PUMP ASSEMBLY Parts scheme

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1M-6871	[1]	ROD ASSEM.
1M-6782	[1]	KNOB
1M-6783	[1]	ROD
	[1]	PIN (.25" long)
2S-8145	[1]	SEAL
1M-6784	[1]	GUIDE
1M-6785	[1]	NUT
1M-6781	[3]	NUT
1M-6735	[1]	WASHER
1M-6787	[1]	SPRING
1M-6779	[1]	BARREL
1M-6788	[1]	NUT
1M-6786	[1]	PIN
1H-1023	[2]	RING
1M-6778	[1]	BODY
1M-6780	[2]	SPRING
1M-6718	[2]	BALL
1M-6789	[2]	RETAINER

#UEG0125S0037

7S-8831: FUEL PUMP HOUSING GROUP

FUEL PUMP HOUSING GROUP

7S8831 FUEL PUMP HOUSING GROUP
Part of Fuel Pump Housing and Governor shown on Page 23

c105895 UEG0125S

7S8831 FUEL PUMP HOUSING GROUP Parts scheme

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-0411	[4]	BONNET
8H-9204	[4]	WASHER
2M-4314	[4]	BUSHING
9B-1363	[4]	SPRING
9H-5746	[4]	CHECK
1M-3506	[4]	RING
9H-5797	[4]	PLUNGER AND BARREL ASSEM.
1S-0206	[4]	SPRING
9H-5729	[4]	WASHER
3S-9735	[4]	LIFTER ASSEM.
4M-1474	[2]	PIN
4F-6024	[2]	DOWEL
1S-1953	[1]	BEARING
		(Parts of Housing Assem. 7S8830
8H-9208	[1]	DOWEL
		(Part of Gear Assem. 5S5058)
1S-0214	[1]	SPRING
2S-7905	[1]	PLUG
		(Part of Housing Assem. 7S8830)
0L-0472	[1]	BOLT
2H-3504	[1]	LOCK
8H-9208	[1]	DOWEL
		(Part of Camshaft Assem. 8H9207)
7M-5940	[1]	PLATE
5S-5058	[1]	GEAR ASSEM.
		(66 Teeth)
2A-3746	[1]	PLUG
2M-8604	[1]	BEARING
3D-4603	[1]	PLUG
		(Parts of Housing Assem. 7S8830)
1M-1077	[4]	SEAL
8M-3020	[4]	DOWEL
8M-3019	[4]	DOWEL
		(Parts of Housing Assem. 7S8830)
2M-4208	[4]	SPACER (.174" Thick)
2M-4209	[4]	SPACER (.178" Thick)
2M-4210	[4]	SPACER (.182" Thick)
2M-4211	[4]	SPACER (.186" Thick)
2M-4212	[4]	SPACER (.190" Thick)
5M-2691	[4]	SPACER (.194" Thick)
5M-2697	[4]	SPACER (.170" Thick)
5S-7189	[4]	SPACER (.198" Thick)
		(Use as required)
9H-1296	[1]	BEARING
		(Part of Housing Assem. 7S8830)
2S-0825	[1]	RACK
9H-1284	[1]	BEARING
		(Part of Housing Assem. 7S8830)
1M-0690	[1]	SLEEVE
		(Part of Camshaft Assem. 8H9207)
8H-9207	[1]	CAMSHAFT ASSEM.
7S-8830	[1]	HOUSING ASSEM.

#UEG0125S0038

FUEL INJECTION VALVES AND LINES

FUEL INJECTION VALVES AND LINES
Effective with Serial No. 4B1800

c107700 UEG0125S

None FUEL INJECTION VALVES AND LINES Parts scheme

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8L-5664	[1]	LINE ASSEM. (No. 4)
2.	8L-5663	[1]	LINE ASSEM. (No. 3)
3.	8L-6202	[1]	LINE ASSEM. (No. 2)
4.	8L-5661	[1]	LINE ASSEM. (No. 1)
5.	7S-9891	[4]	VALVE SERVICE GROUP
6.	6F-1069	[4]	SEAL ASSEM.
7.	5B-3718	[4]	SEAL
			(1 each in 7S9891 Valve Service Group)
8.	5H-7225	[4]	NUT
9.	8S-2389	[4]	BODY
10.	4S-6574	[1]	GAUGE (Fuel Pressure)
11.	4H-1966	[1]	FITTING
	4H-2495	[1]	NUT
	4H-2494	[1]	SLEEVE
			(Parts of 4H1966 Fitting)
12.	8L-4450		TUBE
13.	2B-2404	[1]	CLIP
14.	0S-0509	[1]	BOLT
15.	3B-4506	[4]	LOCKWASHER
16.	1A-2029	[1]	BOLT
17.	0S-1588	[1]	BOLT
18.	2H-3932	[2]	SEAL
19.	7L-0346	[1]	BRACKET
20.	7F-8607	[1]	SEAL
21.	0S-1591	[1]	BOLT
22.	8S-9089	[1]	BOLT
23.	4L-3754	[1]	LOCK
24.	8F-3469	[1]	SEAL
25.	3B-7896	[1]	ELBOW

#UEG0125S0039

FUEL INJECTION VALVES AND LINES

FUEL INJECTION VALVES AND LINES
Effective with Serial No. 2B1500

c107702 UEG0125S

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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8L-5664	[1]	LINE ASSEM. (No. 4)
2.	8L-5663	[1]	LINE ASSEM. (No. 3)
3.	8L-5662	[1]	LINE ASSEM. (No. 2)
4.	8L-5661	[1]	LINE ASSEM. (No. 1)
5.	8M-1584	[4]	VALVE SERVICE GROUP
6.	6F-1069	[4]	SEAL ASSEM.
7.	5B-3718	[4]	SEAL
			(1 each in 8M1584 Valve Service Group)
8.	5H-7225	[4]	NUT
9.	8S-2389	[4]	BODY
10.	4S-6574	[1]	GAUGE (Fuel Pressure)
11.	4H-1966	[1]	FITTING
	4H-2495	[1]	NUT
	4H-2494	[1]	SLEEVE
			(Parts of 4H1966 Fitting)
12.	8L-4450	[1]	TUBE
13.	2B-2404	[1]	CLIP
14.	0S-0509	[1]	BOLT
15.	3B-4506	[4]	LOCKWASHER
16.	1A-2029	[1]	BOLT
17.	0S-1588	[1]	BOLT
18.	2H-3932	[2]	SEAL
19.	7L-0346	[1]	BRACKET
20.	7F-8607	[1]	SEAL
21.	0S-1591	[1]	BOLT
22.	8S-9089	[1]	BOLT
23.	4L-3754	[1]	LOCK
24.	8F-3469	[1]	SEAL
25.	3B-7896	[1]	ELBOW
26.	3J-5389	[1]	PLUG