6N3943 SUMP PUMP GROUP--Type 2 NOT FOR USE WITH R.H. MOUNTED AIR STARTING MOTOR 2N8908 Pump parts are shown on Page 249. AN ATTACHMENT 3408

LUBRICATION SYSTEM

PUMP GP-SUMP

0. 6N-3943 PUMP GP-SU
1. 6N-3943 PUMP GP-SU
2. 1N-3299 PUMP GP-SU
3. 8N-2824 SUMP PUMP
4. 2N-8908 PUMP GP-SU

COOLING SYSTEM

PUMP GP-WATER

5. 6L-5856 PUMP GP-WA

SERVICE EQUIPMENT AND SUPPLIES

GASKET & SEAL KITS

6. GASKET KIT

CHARTS & FILMS

7. NAME PLATE
0. INFORMATION

MARINE ENGINE 3408 MARINE ENGINE 99U
3408 MARINE ENGINE 99U00001-04603 SEBP1093 3408 99U (1976)

LUBRICATION SYSTEM

PUMP GP-SUMP

6N-3943 PUMP GP-SUMP

1N-3299 PUMP GP-SUMP

8N-2824 SUMP PUMP MOUNTING GROUP--R.H.

2N-8908 PUMP GP-SUMP

#SEBP10931030

6N-3943: PUMP GP-SUMP

PUMP GP-SUMP

6N3943 SUMP PUMP GROUP--Type 2
NOT FOR USE WITH R.H. MOUNTED AIR STARTING MOTOR
2N8908 Pump parts are shown on Page 249. AN ATTACHMENT

c166201 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-5174	[1]
2.	003-9163	[1]
3.	0S-1594	[4]
	1D-4717	[4]
	5M-2894	[8]
4.	004-7270	[1]
5.	8B-2664	[2]
6.	5P-1412 E
7.	2D-8911	[4]
8.	2H-9091	[2]
9.	3B-7259	[2]
10.	5B-4855	[1]
11.	9B-4202	[2]
12.	3B-7270 C	[1]
13.	1L-8444	[1]
14.	8B-2664	[1]
15.	5P-1412 E
16.	2N-8908 Y	[1]
			(Separate Illustration)
17.	0S-1616	[4]
	5P-0537	[4]
	4B-4276	[4]
18.	6N-9561	[1]
19.	3B-7732 C	[2]
20.	3B-7745 C	[1]
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION
	E		ORDER BY THE CENTIMETER

#SEBP10931031

6N-3943: PUMP GP-SUMP

PUMP GP-SUMP

6N3943 SUMP PUMP GP--TYPE 3
2N8908-Page 249
For Use With R.H. Fuel Filter
Can Be Used Without Installed Transmission. An Attachment

c331198 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-5174	[1]	PLUG-PIPE
2.	003-9163	[1]	ELBOW
3.	0S-1594	[4]	BOLT
	1D-4717	[4]	NUT
	5M-2894	[8]	WASHER
4.	004-7270	[1]	NIPPLE
5.	8B-2664	[2]	BUSHING-REDUCING
6.	3N-7294 C	[1]	HOSE AS
7.	3B-7732	[2]	ELBOW-STREET
8.	3B-7745	[1]	NIPPLE-CLOSE
9.	3B-7259	[2]	ELBOW
10.	5B-4855 C	[2]	BUSHING-REDUCING
11.	9B-4202	[2]	COCK
12.	3B-7270	[1]	NIPPLE
13.	1L-8444	[1]	TEE
14.	6N-9561	[1]	BRACKET
15.	3N-4829	[1]	HOSE AS
16.	2N-8908 Y	[1]	PUMP GP-SUMP
17.	0S-1616	[4]	BOLT
	5P-0537	[4]	WASHER 2MM(.083IN)THK
	4B-4276	[4]	WASHER 1.6MM(.0625IN)THK
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10931032

1N-3299: PUMP GP-SUMP

PUMP GP-SUMP

1N3299 SUMP PUMP GP
For Use With L.H. Fuel Filter
2N8908-Page 249
An Attachment

c410264 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-5174	[1]	PLUG-PIPE
2.	003-9163	[1]	ELBOW
3.	1D-4717	[4]	NUT
	5M-2894	[8]	WASHER
	0S-1594	[4]	BOLT
4.	004-7270	[1]	NIPPLE
5.	8B-2664 CB	[2]	BUSHING-REDUCING
6.	5P-1412 E		HOSE 74CM(29.1IN.)
7.	2D-8911	[4]	FITTING
8.	2H-9091	[2]	CONNECTOR-PIPE
9.	3B-7259	[2]	ELBOW
10.	5B-4855 B	[2]	BUSHING-REDUCING
11.	9B-4202	[2]	COCK
12.	5P-8247	[8]	WASHER-HARD
13.	1L-8444	[1]	TEE
14.	3B-6554	[1]	ELBOW
15.	4B-4043	[2]	BOLT
	1D-4720	[2]	NUT
16.	2N-8908 Y	[1]	PUMP GP-SUMP
17.	3B-7732 C	[1]	ELBOW-STREET
18.	6N-9561	[1]	BRACKET
19.	2B-2814	[4]	SPACER
20.	3B-7745	[2]	NIPPLE-CLOSE
21.	8N-9102	[1]	PLATE-SUMP PUMP
22.	8N-2825	[1]	BRACKET
23.	1A-1135	[2]	BOLT
24.	8S-9092	[2]	BOLT
25.	3B-7732 BC	[1]	ELBOW-STREET
26.	0S-1616	[4]	BOLT
	5P-0537	[4]	WASHER 2MM(.082IN.)THK
	4B-4276	[4]	WASHER 1.6MM(.063IN.)THK
27.	5P-1412 E		HOSE 64CM(25.2IN.)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	Y		SEPARATE ILLUSTRATION

#SEBP10931033

8N-2824: SUMP PUMP MOUNTING GROUP--R.H.

SUMP PUMP MOUNTING GROUP--R.H.

8N2824 SUMP PUMP MOUNTING GROUP--R.H.--Replaced by 1N3299 shown
on Page 248B
FOR USE WITH L.H. FUEL FILTER AND 6N3943 SUMP PUMP GROUP

c173507 SEBP1093

8N2824 SUMP PUMP MOUNTING GROUP--R.H. Parts scheme

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2B-2814	[4]	SPACER
2.	6N-3941	[1]	BRACKET
3.	1A-1135	[4]	BOLT
	4D-3704	[4]	WASHER
4.	8N-2825	[1]	BRACKET

#SEBP10931034

2N-8908: PUMP GP-SUMP

PUMP GP-SUMP

2N8908 SUMP PUMP GROUP
Part of 6N3943 Sump Pump Group shown on Pages 248 & 248A

c137121 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-0762	[6]	BOLT
2.	3N-3298	[1]	HANDLE ASSEM.
3.	3N-3299 B	[1]	GASKET SET
			(2 Holes Indicates .002' Thick, 3 Holes Indicates .003' Thick & 4 Holes Indicates .004' Thick)
4.	3N-3297	[2]	PIN
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	3N-3300	[1]	KIT (Pump)
			(Includes Vanes, Springs, Packing, Nut, and Gaskets)
	B		USE AS REQUIRED

#SEBP10931035

6L-5856: PUMP GP-WATER

PUMP GP-WATER

6L5856 BILGE PUMP GROUP
Note: Auxiliary Drive Group is required. AN ATTACHMENT
Note: 5F3581 Vee Belt Link (2 Belts Required) is available

SEBP10931035 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	5F-3582	[1]	PUMP
	8F-4185	[1]	VALVE ASSEMBLY

#SEBP10931036

GASKET KITS

SEBP10931036 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	5P-5690		COMPLETE ENGINE OVERHAUL
	5P-5692		VALVE GRINDING
	5P-4847		WATER PUMP
	5P-5691		COMPLETE ENGINE OVERHAUL
	5P-5693		VALVE GRINDING
	5P-4847		WATER PUMP
	6V-0214		VALVE GRINDING
	6V-0216		VALVE GRINDING SINGLE HEAD
	6V-0219		CENTRAL AND LOWER STRUCTURE
	5P-8057		SINGLE CYLINDER LINER
	6V-2541		FRONT STRUCTURE
	6V-2979		REAR STRUCTURE
	6V-0232		WATER PUMP
	6V-0229		WATER LINES
	5P-9855		AFTERCOOLER AND LINES
	6V-0233		TURBOCHARGER MOUNTING
	5P-9859		FUEL SYSTEM
	6V-0235		OIL COOLER AND LINES
	6V-0237		EXPANSION TANK

#SEBP10931037

NAME PLATES AND TRANSFER

SEBP10931037 SEBP1093

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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
3N-3790	[1]	PLATE SERIAL NUMBER
		LOCATED ON L.H. SIDE OF CYLINDER BLOCK
9L-6531	[1]	PLATE CAUTION & INFORMATION
		ON R.H. REAR OF CAMSHAFT COVER
9N-2614	[1]	PLATE MODIFICATION NUMBER
		ON SERIAL NUMBER PLATE
4N-8775	[1]	FILM CATERPILLAR
		ON FRONT CENTER OF EXPANSION TANK
6N-3035	[2]	FILM 3408 CATERPILLAR
		IN CENTER OF CAST RECESS ON R.H. & L.H. VALVE COVERS
6N-1056	[1]	FILM GLOW PLUG INST.