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4N8734 OIL PUMP GP*R S/N 99U1-3845 3408 MARINE ENGINE


LUBRICATION SYSTEM
PUMP GP-ENGINE OIL
BREATHER GP
LINES GP-ENGINE OIL
COOLING SYSTEM
PUMP GP-WATER

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

LUBRICATION SYSTEM

PUMP GP-ENGINE OIL
PUMP GP-ENGINE OIL
4N-8734 PUMP GP-ENGINE OIL
FASTENER GP-OIL PUMP MOUNTING
4N-2481 FASTENER GP-OIL PUMP MOUNTING
PUMP GP-ENGINE OIL
4N-8734 PUMP GP-ENGINE OIL
 

#SEBP10930130
 

4N-8734: PUMP GP-ENGINE OIL

4N8734 OIL PUMP GP*R
S/N 99U1-3845
c210476 SEBP1093
4N8734 PUMP GP-ENGINE OIL Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-0644 [2] BOLT  
  5M-2894 [2] WASHER  
2. 4N-0522 [1] RETAINER  
3. 2S-2760 [1] SPRING  
4. 6N-1931 [1] PLUNGER  
5. 7N-0286 C [1] COVER ASSEM.  
    (Includes)
  8S-6509 [2] BEARING  
6. 4N-8816 [1] SPACER  
7. 4N-0513 C [1] BODY ASSEM.  
    (Includes)
  4N-5342 [2] BEARING  
8. 8M-8489 [2] DOWEL  
9. 0S-1571 C [4] BOLT  
10. 4N-5272 C [1] SHAFT ASSEM.  
11. 4N-5270 C [1] SHAFT ASSEM.  
  C   INDICATES CHANGE
 

#SEBP10930131
 

4N-2481: FASTENER GP-OIL PUMP MOUNTING

4N2481 OIL PUMP MOUNTING FASTENER GP
c210186 SEBP1093
4N2481 FASTENER GP-OIL PUMP MOUNTING Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1143 [2] BOLT  
2. 0S-1590 [1] BOLT  
3. 5M-2894 C [3] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10930132
 

4N-8734: PUMP GP-ENGINE OIL

4N8734 OIL PUMP GP*R
Engine S/N 99U3846-Up
c301413 SEBP1093
4N8734 PUMP GP-ENGINE OIL Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-0644 [2] BOLT  
  5M-2894 [2] WASHER  
2. 4N-0522 [1] RETAINER  
3. 2S-2760 [1] SPRING  
4. 6N-1931 [1] PLUNGER  
5. 7N-0286 [1] COVER ASSEM.  
    (Includes)
  8S-6509 [2] BEARING  
6. 4N-8816 [1] SPACER  
7. 4N-0513 [1] BODY ASSEM.  
    (Includes)
  4N-5342 [2] BEARING  
8. 8M-8489 [2] DOWEL  
9. 0S-1571 [4] BOLT  
10. 1W-7238 C [1] SHAFT ASSEM.  
11. 1W-7239 C [1] SHAFT ASSEM.  
  C   INDICATES CHANGE
 

#SEBP10930133
 

2N-8220: BREATHER GP

2N8220 BREATHER GP
c118081 SEBP1093
2N8220 BREATHER GP Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-4668 [1] BREATHER AS (CRANKCASE)  
2. 2N-8109 [1] CLAMP  
3. 4F-7390 [1] SEAL  
 

#SEBP10930134
 

5N-3873: LINES GP-DRAIN

5N3873 LINES GP--OIL DRAIN
An Attachment
c318315 SEBP1093
5N3873 LINES GP-DRAIN Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-6555 C [1] ELBOW  
2. C [1] FITTING  
3. 3N-4868 C [1] HOSE AS. 91.5CM(36 IN.)  
4. 3B-6490 [1] COUPLING  
5. 3B-6485 [1] CAP  
6. 3N-5599 [1] DRAIN AS.  
7. 0S-1594 [2] BOLT  
  5M-2894 [2] WASHER  
8. 9B-4202 C [1] COCK  
9. 5F-6371 C [1] CONNECTOR  
  C   INDICATES CHANGE
 

#SEBP10930135
 

4N-7498: PUMP GP-WATER

4N7498 WATER PUMP GP (4N1951 N/S)*R
c226250 SEBP1093
4N7498 PUMP GP-WATER Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-1948 [1] GEAR (43 TEETH)  
2. 1B-7182 [4] BOLT  
3. 9N-3033 C [1] RETAINER  
4. 4S-5898 A [1] SEAL-O-RING  
5. 1D-4717 [4] NUT  
6. 2N-7942 J [1] SPACER  
7. 1B-3867 J [1] BALL BEARING  
8. 5P-1713 [1] SEAL-LIP TYPE  
9. 4N-1956 [1] HOUSING AS-PUMP  
10. 5H-8985 [1] PIN-SPRING  
11. 5M-6214 [1] PLUG-PIPE  
12. 4M-1336 [1] FERRULE  
13. 4N-5834 J [1] FILTER  
14. 5L-5032 A [1] SEAL-O-RING  
15. 4N-5835 A [1] ADAPTER-INLET  
16. 5H-5672 A [1] SEAL-O-RING  
17. 8S-8821 [1] SEAL-IMPELLER  
18. 8S-7762 [1] RING-SEAL  
19. 6N-0139 J [1] SHAFT-WATER PUMP  
20. 9M-6527 J [1] WASHER-HARD  
21. 0S-1591 J [1] BOLT  
22. 4N-1751 [1] IMPELLER-PUMP  
23. 4N-6556 [1] SEAL AS-PUMP  
24. 0S-1594 A [1] BOLT  
25. 2L-5271 J [1] BALL BEARING  
26. 2P-3696 J [1] RETAINER  
27. 1A-1135 J [1] BOLT  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  9N-6289 C [1] KIT-WATER PUMP REBUILD  
    (INCL PARTS MARKED J)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10930136
 

3N-7713: PUMP GP-AUXILIARY

3N7713 PUMP GP--AUXILIARY--SEA WATER
Air Compressor, Hydraulic Pump Drive & Auxiliary Drive Groups Cannot Be
Mounted On The L.H. Front Of The Engine When This Auxiliary Water Pump
Group Is Used. 3N7714--Page 46.
An Attachment
c318279 SEBP1093
3N7713 PUMP GP-AUXILIARY Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8592 [1] ELBOW-PUMP INLET  
2. 3H-1952 [2] GASKET  
3. 5L-5879 [1] ADAPTER  
  5B-3265 [1] GASKET  
4. 4J-4382 [1] PLUG-PIPE  
5. 6L-2280 [1] ROD  
  6L-2279 [1] PLUG-PIPE  
6. 3N-1555 [2] FLANGE  
  4F-4873 [2] GASKET  
7. 0S-1591 [8] BOLT  
8. 1D-4717 [16] NUT  
  3B-4506 [16] LOCKWASHER  
9. 3N-7251 [1] ELBOW-WATER PUMP  
10. 5K-9243 [2] ELBOW-FLARED  
11. 1W-5108 C [1] GASKET-ACCESSORY DRIVE  
12. 3N-5500 [1] GEAR-WATER PUMP (43 TEETH)  
13. 0S-1571 [1] BOLT  
  9L-8781 [1] WASHER (LARGE)  
14. 3N-8154 [1] TUBE AS  
15. 6H-4746 [1] ADAPTER  
16. 2M-9780 [1] SEAL-O-RING  
17. 5M-2894 C [1] WASHER (SMALL)  
18. 3N-7253 [1] ADAPTER AS  
19. 3D-2871 [3] STUD  
20. 6L-9965 [1] SEAL-O-RING  
21. 3N-7714 Y [1] PUMP GP-AUXILIARY SEA WATER  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930137
 

3N-7714: PUMP GP-AUXILIARY SEA WATER

3N7714 AUXILIARY PUMP GROUP--Sea Water
Part of 3N7713 Auxiliary Pump Group shown on Page 45
Note: 5N6054 Water Seal Group is available for Field Replacement of 3N8210 Seal Assembly and 3N8209 Ring
c222264 SEBP1093
3N7714 PUMP GP-AUXILIARY SEA WATER Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8220 [1] CLAMP ASSEM.  
2. 3N-8211 [1] SPACER  
3. 3N-8221 [1] CLAMP ASSEM.  
4. 3N-8202 [1] BODY  
5. 5H-3204 [3] LOCK  
6. 9L-1321 [3] STUD  
  1D-4717 [3] NUT  
7. 2H-5549 C [1] RING (retainer)  
8. 2H-3829 [1] RACE (inner)  
  5M-9644 [1] RACE & ROLLER ASSEM. (outer)  
9. 3N-8204 [1] HOUSING  
10. 2L-5271 [1] BEARING  
11. 4L-9020 C [1] RING (retainer)  
12. 3N-8203 [1] SHAFT  
13. 2H-3776 [1] NUT  
14. 2H-3779 [1] LOCK  
15. 5N-2905 C [1] COLLAR  
16. 5N-2903 C [1] SEAL  
17. 3N-8208 [1] THROWER  
18. 3N-8209 [1] RING  
19. 3N-8210 [1] SEAL ASSEM.  
20. 3N-8217 [2] SHIM .25 mm(.010 in.)thick  
  3N-8218 [2] SHIM .38 mm(.015 in.) thick  
21. 3N-8214 [1] IMPELLER  
22. 3N-8201 [1] SEAL  
23. 3N-8213 [1] RING  
24. 3N-8216 [1] PLUG  
  3N-8215 [1] WASHER  
25. 5N-4503 C [2] PLATE  
26. 3H-2018 [1] NUT  
27. 5N-4502 C [1] KEY  
28. 5P-8026 C [1] COTTER PIN  
29. 3N-8199 [1] WASHER  
30. 3N-8198 [1] BODY  
  C   INDICATES CHANGE
 

#SEBP10930138
 

3N-8561: PUMP GP-AUXILIARY

3N8561 PUMP GP--AUXILIARY--SEA WATER
Type 1
For Use With Remote Mounted Heat Exchanger
3N7790--Page 46B. An Attachment
c318280 SEBP1093
3N8561 PUMP GP-AUXILIARY Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-7790 Y [1] PUMP GP-AUXILIARY  
2. 3N-8769 [1] ELBOW-PUMP INLET  
3. 8B-6283 [2] GASKET  
4. 0S-1591 [8] BOLT  
5. 1D-4717 [13] NUT  
  3B-4506 [13] LOCKWASHER  
6. 3N-8415 [2] FLANGE  
  3S-1889 [2] GASKET  
7. 5L-5879 [1] ADAPTER  
  5B-3265 [1] GASKET  
8. 4J-4382 [1] PLUG-PIPE  
9. 6L-2280 [1] ROD  
  6L-2279 [1] PLUG-PIPE  
10. 3N-8410 [1] ELBOW-WATER PUMP  
11. 5K-9243 [2] ELBOW-FLARED  
12. 0S-1590 C [1] BOLT  
  5S-6981 C [1] RETAINER  
13. 1W-5108 C [1] GASKET-ACCESSORY DRIVE  
14. 5N-2504 C [1] GEAR (43 TEETH)  
15. 3N-8435 [1] TUBE AS-LUBE  
16. 6H-4746 [1] ADAPTER  
  2M-9780 [1] SEAL-O-RING  
17. 3N-8401 [1] ADAPTER-PUMP MOUNTING  
18. 0T-0768 [4] BOLT  
  1D-4718 [4] NUT-FULL  
  3B-4507 [4] LOCKWASHER  
19. 2H-3934 C [1] SEAL  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930139
 

3N-8561: PUMP GP-AUXILIARY

3N8561 PUMP GP--AUXILIARY--SEA WATER
Type 2. For Use With Remote Mounted Heat Exchanger
7C3613--Page 46A.02
An Attachment
c411191 SEBP1093
3N8561 PUMP GP-AUXILIARY Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-3613 CY [1] PUMP GP-AUXILIARY  
2. 3N-8769 [1] ELBOW-PUMP INLET  
3. 8B-6283 [2] GASKET  
4. 0S-1591 [8] BOLT  
5. 1D-4717 [13] NUT  
  3B-4506 [13] LOCKWASHER  
6. 3N-8415 [2] FLANGE  
  3S-1889 [2] GASKET  
7. 5L-5879 [1] ADAPTER  
  5B-3265 [1] GASKET  
8. 4J-4382 [1] PLUG-PIPE  
9. 6L-2280 [1] ROD  
  6L-2279 [1] PLUG-PIPE  
10. 3N-8410 [1] ELBOW-WATER PUMP  
11. 5K-9243 [2] ELBOW-FLARED  
12. 0S-1590 [1] BOLT  
  5S-6981 [1] RETAINER  
13. 7W-5648 C [1] GASKET-ACCESSORY DRIVE  
14. 5N-2504 [1] GEAR (43 TEETH)  
15. 3N-8435 [1] TUBE AS-LUBE  
16. 6H-4746 [1] ADAPTER  
  2M-9780 [1] SEAL-O-RING  
17. 3N-8401 [1] ADAPTER-PUMP MOUNTING  
18. 0T-0768 [4] BOLT  
  1D-4718 [4] NUT-FULL  
  3B-4507 [4] LOCKWASHER  
19. 2H-3934 [1] SEAL  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Check For Correct Spring Retainer On Oil Pump Bypass Valve When Oil Pan Is Removed
1980/11/12
Different O-Ring Seal Now Used On The Oil Pump Suction Tube
1980/12/10
Different O-Ring Seal Now Used On The Oil Pump Suction Tube
1981/04/01
New Oil Pump Gears Used
1986/07/01
Precision Oil Pump Bearings Now Available
1977/11/09
Different Housings are Used on 3400 Remanufactured Engines {1304}
2007/04/09
Identifying Oil Pumps on Certain 3400, C27, and C32 Engines {1304}
Identifying Oil Pumps on Certain 3400, C27, and C32 Engines {1304}
Special Instruction
Installation of 0R0918 Remanufactured Oil Pump{1304, 7754}
Installation of 0R0918 Remanufactured Oil Pump{1304, 7754}
3400 Engine Oil Pumps{1304}
3400 Engine Oil Pumps{1304}
Technical Information Bulletin
Remanufactured Oil Pumps May Have a Shallow Suction Tube Port on Certain 3400 Engines{1304}
Remanufactured Oil Pumps May Have a Shallow Suction Tube Port on Certain 3400 Engines{1304}
Specifications
Oil Pressure And Water Temperature Shutoff Assembly
3408 & 3408B INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Gauges For Engine Oil Pressure
3408 & 3408B INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Sending Units For Oil Pressure
3408 & 3408B INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Gauges For Gear Oil Pressure
3408 & 3408B INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Sending Unit For Gear Oil Pressure
3408 & 3408B INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Engine Oil Pump
3408C and 3412C Marine Engines
Engine Oil Pump
3408B and 3408C Industrial and Marine Engines
Reuse And Salvage Guidelines
Reuse and Salvage for 3044, 3046, 3064, 3066, 3400, 3500, and C175 Engine Oil Pumps {1304, 1315}
Reuse and Salvage for 3044, 3046, 3064, 3066, 3400, 3500, and C175 Engine Oil Pumps {1304, 1315}
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Oil Pump
3408C & 3412C MARINE ENGINES
Oil Pump
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Service Magazine
Check For Correct Spring Retainer On Oil Pump Bypass Valve When Oil Pan Is Removed{1315,1302}
1980/11/17
Different O-Ring Seal Now Used On The Oil Pump Suction Tube{1307,1304}
1980/12/01
Different O-Ring Seal Now Used On The Oil Pump Suction Tube{1307,1304}
1981/02/16
New Oil Pump Gears Used {1304}
1986/07/07
Precision Oil Pump Bearings Now Available{1304}
1977/11/07
New Oil Pressure Sender Assembly Used{7455}
1988/11/07
Identifying Oil Pumps on Certain 3400, C27, and C32 Machine Engines {1304}
Identifying Oil Pumps on Certain 3400, C27, and C32 Machine Engines {1304}

Caterpillar Parts SIS Catalog 3408 :

LINES GP-TURBOCHARGER OIL
6N-4572 LINES GP-TURBOCHARGER OIL
LINES GP-TURBOCHARGER OIL
4N-3705 LINES GP-TURBOCHARGER OIL
LINES GP-ENGINE OIL
4W-1545 LINES GP-ENGINE OIL
LINES GP-ENGINE OIL
6N-0641 LINES GP-ENGINE OIL
LINES GP-ENGINE OIL
6N-0641 LINES GP-ENGINE OIL
LINES GP-ENGINE OIL
6N-0641 LINES GP-ENGINE OIL
LINES GP-ENGINE OIL
6N-0641 LINES GP-ENGINE OIL
FILTER GP-ENGINE OIL
6N-5032 FILTER GP-ENGINE OIL
FASTENER GP-OIL PUMP MOUNTING
4N-2481 FASTENER GP-OIL PUMP MOUNTING
PUMP GP-ENGINE OIL
4N-8734 PUMP GP-ENGINE OIL
BREATHER GP
2N-8220 BREATHER GP
LINES GP-DRAIN
5N-3873 LINES GP-DRAIN
PUMP GP-WATER
4N-7498 PUMP GP-WATER
PUMP GP-AUXILIARY
3N-7713 PUMP GP-AUXILIARY
PUMP GP-AUXILIARY SEA WATER
3N-7714 PUMP GP-AUXILIARY SEA WATER
PUMP GP-AUXILIARY
3N-8561 PUMP GP-AUXILIARY

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Caterpillar 3408 IND, Construction
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Caterpillar 3408 IND, Construction
- Industrial engines
LOUISIANA CAT POWER SYSTEMS
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