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1N9075 SUMP PUMP GROUP Serial No. 67B1391 to 67B1439 inclusive 2N8908 Pump and 1N9924 Valve parts are shown on Page 51 D398A




LUBRICATION SYSTEM

PUMP GP-SUMP
 

#UEG0646S0200
 

1N-9075: PUMP GP-SUMP

1N9075 SUMP PUMP GROUP
Serial No. 67B1391 to 67B1439 inclusive
2N8908 Pump and 1N9924 Valve parts are shown on Page 51
c137499 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6B-9081 [2] BUSHING  
2. 3B-6554 [3] ELBOW  
3. 1S-0036 [6] COUPLING  
4. 8L-4516 [1] HOSE  
5. 1L-8181 [2] CLIP  
6. 0S-1620 [1] BOLT  
7. 3B-4508 [3] LOCKWASHER  
8. 5F-6371 [3] UNION  
9. 0S-1621 [2] BOLT  
10. 3B-7270 [2] NIPPLE  
11. 1L-8444 C [1] TEE  
12. 2N-9335 C [1] BRACKET ASSEM.  
13. 9B-4202 [2] COCK  
14. 7L-7161 [1] HOSE  
15. 2N-8908 YC [1] PUMP ASSEM.  
    (See Separate Illustration)
16. 6L-4562 H HOSE 60"  
    (Use With R.H. Mounting)
  6L-4562 H HOSE 116"  
    (Use With L.H. Mounting)
17. 3B-0551 [1] PLUG  
18. 3B-7280 C [1] NIPPLE  
19. 8B-2662 [1] UNION  
20. 1N-9924 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
21. 9B-1008 [1] COCK  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0646S0201
 

1N-9075: PUMP GP-SUMP

1N9075 SUMP PUMP GROUP
Serial No. 67B1440-Up
2N8908 Pump and 1N9924 Valve parts are shown on Page 51. FOR USE WITH MARINE GEAR
AN ATTACHMENT
c143217 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6B-9081 [2] BUSHING  
2. 3B-6554 [3] ELBOW  
3. 3N-7057 C [1] VALVE ASSEM.  
4. 3N-4907 C [1] HOSE ASSEM. (52 in. long)  
5. 1L-8181 [2] CLIP  
6. 0S-1620 [1] BOLT  
7. 3B-4508 [3] LOCKWASHER  
8. 5F-6371 [3] UNION  
9. 0S-1621 [2] BOLT  
10. 3B-7270 [2] NIPPLE  
11. 1L-8444 C [1] TEE  
12. 2N-9335 C [1] BRACKET ASSEM.  
13. 9B-4202 [2] COCK  
14. 3N-4512 [1] HOSE ASSEM. (48 in. Long)  
15. 2N-8908 Y [1] PUMP GROUP  
    (Separate Illustration)
16. 3N-4908 CH [1] HOSE ASSEM. (64 in. Long)  
    (Use With R.H. Mounting)
  3N-4514 CH [1] HOSE ASSEM. (116 in. Long)  
    (Use With L.H. Mounting)
17. 1B-5174 C [1] PLUG  
18. 3B-7745 C [1] NIPPLE  
19. 6B-1667 C [1] UNION  
20. 1N-9924 Y [1] VALVE ASSEM.  
    (Separate Illustration)
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0646S0202
 

2N-8908: PUMP GP-SUMP

2N8908 SUMP PUMP GROUP
Part of 1N9075, 3N4518 and 3N4519 Sump Pump Groups shown on Pages
50, 50A, 84B, 84C, 84D and 84E
c137121 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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
 

#UEG0646S0203
 

1N-9924: VALVE AS-CHECK

1N9924 CHECK VALVE GROUP
Part of 1N9075, 3N4518 and 3N4519 Sump Pump Groups shown on Pages
50, 50A, 84B, 84C, 84D and 84E
c136579 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1N-9923 [1] ADAPTER  
2. 5K-0605 C [1] PLUG  
3. 9L-0672 [1] VALVE  
4. 1P-5274 [1] PIN  
5. 9H-2367 [1] SPRING  
6. 2K-8467 C [1] SPRING  
 

#UEG0646S0204
 

3N-2694: PUMP GP-OIL

3N2694 OIL PUMP GROUP
Serial No. 67B1391 to 67B1581 inclusive
c150163 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [7] BOLT  
2. 3B-4506 [21] LOCKWASHER  
3. 5L-3393 [1] COVER  
  4L-7923 [1] GASKET  
4. 5L-5840 [2] WASHER  
5. 1A-2029 [8] BOLT  
6. 4B-3388 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
7. 7L-7735 [1] GASKET  
8. 4L-3437 [2] GASKET  
9. 3N-0910 [1] ADAPTER ASSEM.  
10. 5L-2649 [1] BEARING  
11. 0S-1590 [4] BOLT  
12. 4L-6199 [1] TUBE  
13. 3P-0657 [2] SEAL  
14. 5L-5985 [1] PLATE  
  5L-5986 [1] GASKET  
15. 3B-1915 [3] BOLT  
16. 4L-7924 [1] BOLT  
17. 5L-5993 [1] OIL PUMP ASSEM.  
18. 5L-9257 [1] MANIFOLD ASSEM.  
19. 4L-6766 [4] DOWEL  
20. 3B-0551 [2] PLUG  
21. 3P-0658 C [2] SEAL  
22. 7F-8698 [6] BOLT  
23. 3B-4507 [9] LOCKWASHER  
24. 2N-5975 [1] MANIFOLD ASSEM.  
25. 5L-2652 [1] BEARING  
26. 5L-5982 [2] SHAFT  
27. 4L-6795 [2] GEAR ASSEM.  
28. 5L-2650 [2] BEARING  
29. 4F-7226 [3] BOLT  
30. 4L-6816 [1] MANIFOLD ASSEM.  
31. 5L-2648 [1] BEARING  
32. 3D-4603 [3] PLUG  
33. 9S-1343 [2] PLUG  
34. 5L-5992 [1] SHAFT ASSEM.  
  4L-6763 [1] GEAR  
  4L-6764 [1] KEY  
35. 4L-3770 [1] RETAINER ASSEM.  
36. 6F-0984 [1] DOWEL  
37. 5L-2649 [1] BEARING  
38. 0S-1588 [5] BOLT  
  4M-8974 [1] LOCK (2 Hole)  
  5L-4949 [1] LOCK (5 Hole)  
  C   INDICATES CHANGE
 

#UEG0646S0205
 

3N-2694: PUMP GP-OIL

3N2694 OIL PUMP GROUP
Serial No. 67B1582 to 67B1592 inclusive
c220622 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-2894 [4] WASHER  
2. 3B-4506 [10] LOCKWASHER  
3. 5L-5840 [2] WASHER  
4. 1A-2029 [6] BOLT  
5. 4B-3388 [2] BOLT  
6. 3B-4505 [2] LOCKWASHER  
7. 7L-7735 [1] GASKET  
8. 4L-3437 [2] GASKET  
9. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
10. 5L-2649 [1] BEARING  
11. 1C-2251 C [4] BOLT  
12. 6L-8809 [1] TUBE  
13. 3P-0653 [2] SEAL  
14. 3N-7730 [1] PLATE  
  3N-7731 [1] GASKET  
15. 0S-1591 [3] BOLT  
16. 4L-7924 [1] BOLT  
17. 3N-5554 [1] OIL PUMP ASSEM.  
    (Includes)
18. 5L-9257 [1] MANIFOLD ASSEM.  
    (Includes)
19. 4L-6766 [4] DOWEL  
20. 3B-0551 [2] PLUG  
21. 3P-0658 [2] SEAL  
22. 4F-7226 [8] BOLT  
23. 3N-0911 [1] COVER ASSEM.  
    (Includes)
  4B-9783 [1] BALL  
24. 5L-2652 [1] BEARING  
25. 8H-3526 [9] WASHER 3.04 mm(.12 in.)thk.  
  5L-6267 [9] WASHER 1.27 mm(.05 in.)thk.  
26. 5L-5982 [2] SHAFT  
27. 4L-6795 [2] GEAR ASSEM.  
    (Each Includes)
28. 5L-2650 [2] BEARING  
29. 5B-5059 [1] BOLT  
30. 6L-8806 [1] MANIFOLD ASSEM.  
    (Includes)
31. 5L-2648 [1] BEARING  
32. 3D-4603 [3] PLUG  
33. 9S-1343 [2] PLUG  
34. 6L-3546 [1] SHAFT ASSEM.  
    (Includes)
  4L-6763 [1] GEAR  
  4L-6764 [1] KEY  
35. 4L-3770 [1] RETAINER ASSEM.  
    (Includes)
36. 6F-0984 [1] DOWEL  
37. 5L-2649 [1] BEARING  
38. 0S-1588 [5] BOLT  
  4M-8974 [1] LOCK (2 hole)  
  5L-4949 [1] LOCK (5 hole)  
39. 1A-2029 [2] BOLT 28.45 mm(1.125 in.)long  
    -OR-
  0S-1588 C [2] BOLT 31.75 mm(1.25 in.)long  
  5M-2894 C [2] WASHER  
  C   INDICATES CHANGE
 

#UEG0646S0206
 

3N-2695: PUMP GP-OIL

3N2695 OIL PUMP GROUP
Serial No. 67B1593 to 67B2028 inclusive
3N5552 Pump parts are shown on Page 52C-1
c150565 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-5552 YC [1] PUMP ASSEM.  
    (Separate Illustration)
2. 1A-2029 [8] BOLT  
3. 5L-5840 [2] WASHER  
4. 4L-3437 [2] GASKET  
5. 4B-3388 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
6. 7L-7735 [1] GASKET  
7. 3B-4506 C [10] LOCKWASHER  
8. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
  2D-6642 [3] BALL  
9. 5L-2649 [1] BEARING  
10. 0S-1590 [4] BOLT  
11. 3N-7731 C [1] GASKET  
12. 3P-0653 [2] SEAL  
13. 6L-8809 [1] TUBE  
14. 0S-1591 C [3] BOLT  
15. 5M-2894 C [4] WASHER  
16. 3N-7730 C [1] PLATE  
17. 4L-7924 [1] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0207
 

5N-3798: PUMP GP-OIL

5N3798 OIL PUMP GROUP
Serial No. 67B2029 to 67B2117 inclusive
5N3799 Pump parts are shown on Page 52C-2
c215613 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-3799 Y [1] PUMP ASSEM.  
    (Separate Illustration)
2. 0S-1588 [2] BOLT  
  5L-5840 [2] WASHER 1.19 mm(.0469 in.) thick  
3. 5M-2894 [16] WASHER 2.79 mm(.109 in.) thick  
4. 4L-3437 [2] GASKET  
5. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
6. 7L-7735 [1] GASKET  
7. 1A-2029 [6] BOLT  
8. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
  2D-6642 [3] BALL  
9. 5L-2649 [1] BEARING  
10. 1C-2251 [4] BOLT  
11. 3N-7731 [1] GASKET  
12. 3P-0653 [2] SEAL  
13. 6L-8809 [1] TUBE  
14. 0S-1591 [3] BOLT  
15. 3N-7730 [1] PLATE  
16. 4L-7924 [1] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0208
 

5N-3798: PUMP GP-OIL

5N3798 OIL PUMP GROUP
Serial No. 67B2118 To 67B2328 Inclusive
8N2743 Pump Parts Are Shown On Page 52C-3
c221812 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-2743 YC [1] PUMP ASSEM.  
    (Separate Illustration)
2. 0S-1588 [2] BOLT  
  5L-5840 [2] WASHER 1.19 mm(.0469 in.) thick  
3. 5M-2894 [16] WASHER 2.79 mm(.109 in.) thick  
4. 4L-3437 [2] GASKET  
5. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
6. 7L-7735 [1] GASKET  
7. 1A-2029 [6] BOLT  
8. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
  2D-6642 [3] BALL  
9. 5L-2649 [1] BEARING  
10. 1C-2251 [4] BOLT  
11. 3N-7731 [1] GASKET  
12. 3P-0653 [2] SEAL  
13. 6L-8809 [1] TUBE  
14. 0S-1591 [3] BOLT  
15. 3N-7730 [1] PLATE  
16. 4L-7924 [1] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0209
 

5N-3798: PUMP GP-OIL

5N3798 OIL PUMP GROUP
Serial No. 67B2329 to 67B2381 inclusive
1W1882 Pump parts are shown on Page 52C-4
c232224 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-1882 CY [1] PUMP ASSEM.  
    (Separate Illustration)
2. 0S-1588 [2] BOLT  
  5L-5840 [2] WASHER 1.19 mm(.0469 in.) thick  
3. 5M-2894 [16] WASHER 2.79 mm(.109 in.) thick  
4. 4L-3437 [2] GASKET  
5. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
6. 7L-7735 [1] GASKET  
7. 1A-2029 [6] BOLT  
8. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
  2D-6642 [3] BALL  
9. 5L-2649 [1] BEARING  
10. 1C-2251 [4] BOLT  
11. 3N-7731 [1] GASKET  
12. 3P-0653 [2] SEAL  
13. 6L-8809 [1] TUBE  
14. 0S-1591 [3] BOLT  
15. 3N-7730 [1] PLATE  
16. 4L-7924 [1] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Disassembly and Assembly
Sump Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Caterpillar Parts SIS Catalog D398A :

Truck sale:

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