AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GPBASIC ENGINE
AIR COMPRESSOR GPAIR INLET AND EXHAUST SYSTEM
MANIFOLD GP-EXHAUSTMANIFOLD GP-INLET
LINES GP-EXHAUST
AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GP#SEBP14290230
4N-4077: AFTERCOOLER GP-WATER
  4N4077 AFTERCOOLER GP-FRESH WATER
S/N 4TB381-440
S/N 4TB381-440
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 4N-9008 | [2] | GASKET | |
| 2. | 1B-9575 | [33] | BOLT | |
| 3. | 9M-1974 | [25] | WASHER | |
| 4. | 4N-9027 | [1] | COVER-AFTERCOOLER | |
| 5. | 4N-4193 | [2] | ADAPTER | |
| 6. | 0T-0065 C | [1] | BOLT | |
| 7. | 4W-4775 C | [2] | ADAPTER | |
| 8. | 4N-4188 | [2] | GASKET | |
| 9. | 9M-7002 | [2] | SEAL-O-RING | |
| 10. | 5P-7204 C | [2] | SEAL-O-RING | |
| 11. | 1W-6990 C | [1] | CORE AS-AFTERCOOLER | |
| 12. | 2N-8204 | [6] | GASKET | |
| 13. | 4N-9007 | [1] | HOUSING-AFTERCOOLER | |
| 14. | 5M-6214 C | [3] | PLUG-PIPE | |
| 15. | 3J-5389 | [1] | PLUG | |
| 16. | 0S-1619 C | [11] | BOLT | |
| 17. | 4W-8972 C | [12] | SPACER | |
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290231
4N-4077: AFTERCOOLER GP-WATER
  4N4077 AFTERCOOLER GP-FRESH WATER
S/N 4TB441-734
S/N 4TB441-734
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 4N-9008 | [2] | GASKET | |
| 2. | 1B-9575 | [33] | BOLT | |
| 3. | 9M-1974 | [25] | WASHER | |
| 4. | 4N-9027 | [1] | COVER-AFTERCOOLER | |
| 5. | 4N-4193 | [2] | ADAPTER | |
| 6. | 0S-1590 C | [1] | BOLT | |
| 7. | 4W-4775 | [2] | ADAPTER | |
| 8. | 6L-9589 C | [2] | GASKET | |
| 9. | 9M-7002 | [2] | SEAL-O-RING | |
| 10. | 5P-7204 | [2] | SEAL-O-RING | |
| 11. | 1W-6990 | [1] | CORE AS-AFTERCOOLER | |
| 12. | 2N-8204 | [6] | GASKET | |
| 13. | 4N-9007 | [1] | HOUSING-AFTERCOOLER | |
| 14. | 5M-6214 | [3] | PLUG-PIPE | |
| 15. | 3J-5389 | [1] | PLUG | |
| 16. | 0S-1571 C | [11] | BOLT | |
| 17. | 7W-3447 C | [11] | SPACER | |
| 18. | 5M-2894 C | [1] | WASHER | |
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290232
4N-4077: AFTERCOOLER GP-WATER
  4N4077 AFTERCOOLER GP-FRESH WATER
S/N 4TB735-747
S/N 4TB735-747
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 4N-9008 | [2] | GASKET | |
| 2. | 1B-9575 | [33] | BOLT | |
| 3. | 9M-1974 | [25] | WASHER | |
| 4. | 4N-9027 | [1] | COVER-AFTERCOOLER | |
| 5. | 4N-4193 | [2] | ADAPTER | |
| 6. | 0S-1590 | [1] | BOLT | |
| 7. | 4W-4775 | [2] | ADAPTER | |
| 8. | 6L-9589 | [2] | GASKET | |
| 9. | 9M-7002 | [2] | SEAL-O-RING | |
| 10. | 5P-7204 | [2] | SEAL-O-RING | |
| 11. | 1W-6990 | [1] | CORE AS-AFTERCOOLER | |
| 12. | 2N-8204 | [6] | GASKET | |
| 13. | 8N-8098 C | [1] | HOUSING-AFTERCOOLER | |
| 14. | 5M-6214 | [3] | PLUG-PIPE | |
| 15. | 3J-5389 C | [2] | PLUG | |
| 16. | 0S-1571 | [11] | BOLT | |
| 17. | 7W-3447 | [11] | SPACER | |
| 18. | 5M-2894 | [1] | WASHER | |
| 19. | 3M-7045 C | [1] | PLUG | |
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290233
4N-4077: AFTERCOOLER GP-WATER
  4N4077 AFTERCOOLER GP-FRESH WATER
S/N 4TB748-UP
S/N 4TB748-UP
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 153-5484 | [2] | GASKET-AFTERCOOLER | |
| 2. | 1B-9575 | [33] | BOLT (5/16-18X1.75IN) | |
| 3. | 9M-1974 | [25] | WASHER-HARD (2MM THK) | |
| 4. | 4N-9027 | [1] | COVER-AFTERCOOLER | |
| 5. | 4N-4193 | [2] | ADAPTER | |
| 6. | 5D-9844 C | [1] | BOLT-LOCKING | |
| 7. | 4W-4775 | [2] | ADAPTER | |
| 8. | 6L-9589 | [2] | GASKET | |
| 9. | 109-0078 | [2] | SEAL-O-RING (33.47MM ID) | |
| 10. | 5P-7204 | [2] | SEAL-O-RING (34.29 ID) | |
| 11. | 1W-6990 | [1] | CORE AS-AFTERCOOLER | |
| 12. | 2N-8204 | [6] | GASKET | |
| 13. | 8N-8098 C | [1] | HOUSING-AFTERCOOLER | |
| 14. | 8T-6764 | [3] | PLUG-PIPE (1/8-27 NPTF THD) | |
| 15. | 8T-6762 C | [2] | PLUG-PIPE | |
| 16. | 031-0219 C | [11] | BOLT-LOCKING (3/8-16X1.75IN) | |
| 17. | 5M-2894 C | [12] | WASHER (2.5MM THK) | |
| 18. | 3E-7430 C | [1] | PLUG-PIPE | |
| 19. | 8T-6764 B | [1] | PLUG-PIPE (1/8-27 NPTF THD) | |
| B | USE AS REQUIRED | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290234
9Y-2240: AIR COMPRESSOR GP
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 7N-7448 | [1] | GASKET-AIR COMPRESSOR | |
| 2. | 7N-7447 | [1] | HEAD AS-COMPRESSOR | |
| 3. | 0S-1619 | [5] | BOLT | |
| 4. | 4W-9479 | [1] | MANIFOLD-EXHAUST | |
| 1S-7107 | [1] | GASKET | ||
| 5. | 0L-1352 | [1] | BOLT | |
| 5M-2894 | [1] | WASHER | ||
| 6. | 2B-2695 | [2] | BOLT | |
| 7. | 3B-4505 | [8] | LOCKWASHER | |
| 8. | 7N-7450 | [1] | COVER-UNLOADER | |
| 7N-7451 | [1] | GASKET-UNLOADER | ||
| 9. | 0S-1615 | [2] | BOLT | |
| 3B-4504 | [2] | LOCKWASHER | ||
| 10. | 2B-0858 | [1] | PLUG-PIPE (PIPE) | |
| 11. | 7N-7441 | [1] | COVER-AIR COMPRESSOR | |
| 7N-7442 | [1] | GASKET-AIR COMPRESSOR | ||
| 12. | 1B-8714 | [1] | KEY-WOODRUFF | |
| 13. | 034-4160 | [4] | BOLT-LOCKING | |
| 14. | 4W-9489 | [1] | LOCKRING | |
| 15. | 0S-1617 | [6] | BOLT | |
| 16. | 7N-7439 | [1] | PLATE-COVER | |
| 7N-7440 | [1] | GASKET-AIR COMPRESSOR | ||
| 17. | 8H-9789 | [2] | BALL BEARING | |
| 18. | 9Y-2278 | [1] | CRANKSHAFT-AIR COMPRESSOR | |
| 19. | 4W-6681 | [1] | CRANKCASE AS | |
| 20. | 1A-2029 | [6] | BOLT | |
| 3B-4506 | [6] | LOCKWASHER | ||
| 21. | 4B-4845 | [2] | PLUG (PIPE) | |
| 22. | 1W-9162 | [1] | CYLINDER BLOCK | |
| 7N-7446 | [1] | GASKET-AIR COMPRESSOR | ||
| 23. | 5M-6214 | [1] | PLUG-PIPE | |
| THE FOLLOWING REPAIR | ||||
| KITS ARE AVAILABLE: | ||||
| 7N-7435 | [1] | KIT-AIR COMPRESSOR | ||
| (INCLUDES STOPS, | ||||
| SPRINGS, SEATS, GUIDES, | ||||
| GASKETS, ETC) | ||||
| 144-0502 | [1] | RING KIT-PISTON | ||
| 144-0503 | [1] | KIT-PISTON & RING | ||
| 138-2887 | [1] | KIT-ROD & BEARING | ||
#SEBP14290235
7E-1428: AIR COMPRESSOR GP
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS#SEBP14290236
4N-0691: MANIFOLD GP-EXHAUST
  4N0691 MANIFOLD GP-EXHAUST
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 4N-4859 | [1] | FLANGE | |
| 2. | 4N-4827 | [1] | ELBOW | |
| 3. | 0S-1594 | [2] | BOLT | |
| 4. | 7C-0307 | [1] | GASKET | |
| 5. | 0S-1588 | [2] | BOLT | |
| 6. | 109-0073 | [1] | SEAL-O-RING | |
| 7. | 129-9452 | [6] | GASKET-EXHAUST MANIFOLD | |
| 8. | 4N-0822 | [1] | COUPLING | |
| 9. | 109-0072 | [2] | SEAL-O-RING | |
| 10. | 108-3612 C | [12] | SPACER | |
| 11. | 7W-1276 | [1] | MANIFOLD AS | |
| 12. | 6L-8562 | [4] | STUD-TAPERLOCK | |
| 13. | 6I-2517 | [1] | GASKET | |
| 14. | 7W-6492 | [1] | PLUG-PIPE | |
| 15. | 2N-2766 C | [12] | LOCKNUT | |
| 5M-2894 C | [12] | WASHER | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290237
1N-4471: MANIFOLD GP-INLET
  1N4471 MANIFOLD GP-INLET
S/N 4TB1-1769
S/N 4TB1-1769
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 031-0219 C | [11] | BOLT-SELF LOCKING | |
| 2. | 1N-4815 | [1] | MANIFOLD-INLET | |
| 3. | 5M-6213 C | [2] | PLUG | |
| 4. | 5D-9844 C | [1] | BOLT-SELF LOCKING | |
| 5. | 3J-5389 B | [1] | PLUG | |
| 6. | 2N-8204 | [6] | GASKET | |
| 7. | 5M-6214 | [1] | PLUG-PIPE | |
| 8. | 2B-0858 | [1] | PLUG-PIPE | |
| 9. | 5M-2894 C | [12] | WASHER | |
| B | USE AS REQUIRED | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290238
1N-4471: MANIFOLD GP-INLET
  1N4471 MANIFOLD GP-INLET
S/N 4TB1770-UP
S/N 4TB1770-UP
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 031-0219 | [11] | BOLT-LOCKING | |
| 2. | 9Y-8857 C | [1] | MANIFOLD-INLET | |
| 3. | 8T-6765 C | [3] | PLUG-PIPE | |
| 4. | 5D-9844 | [1] | BOLT-LOCKING | |
| 5. | 7W-6492 B | [1] | PLUG-PIPE | |
| 6. | 2N-8204 | [6] | GASKET | |
| 7. | 8T-6764 | [1] | PLUG-PIPE | |
| 8. | 8T-6762 | [1] | PLUG-PIPE | |
| 9. | 5M-2894 | [12] | WASHER (2.5MM THK) | |
| 10. | 8B-8817 C | [1] | PLUG | |
| 11. | 8T-6764 B | [1] | PLUG-PIPE | |
| B | USE AS REQUIRED | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP14290239
5L-8601: FLANGE GP-EXHAUST
  5L8601 EXHAUST FLANGE GROUP-152 MM (6 INCH)
REPLACED BY 2W7851-PAGE 68.01
FOR USE WHEN 166 HP TO MAXIMUM HP IS SPECIFIED
AN ATTACHMENT
REPLACED BY 2W7851-PAGE 68.01
FOR USE WHEN 166 HP TO MAXIMUM HP IS SPECIFIED
AN ATTACHMENT
Parts for your 3406B MARINE ENGINE:
CATERPILLAR SISInformation:
AIR INLET AND EXHAUST SYSTEM
 
AFTERCOOLER GP
 
Specifications 
             
Disassembly and Assembly 
                                     
Service Magazine 
          
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 



