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5N3794 OIL PUMP GROUP Serial No. 68B5434 To 68B6603 Inclusive 8N2742 Pump Parts Are Shown On Page 50C.06 D379




LUBRICATION SYSTEM

PUMP GP-ENGINE OIL
 

#UEG0634S0220
 

5N-3794: PUMP GP-ENGINE OIL

5N3794 OIL PUMP GROUP
Serial No. 68B5434 To 68B6603 Inclusive
8N2742 Pump Parts Are Shown On Page 50C.06
c224060 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-2742 CY [1] PUMP ASSEM.  
    (Separate Illustration)
2. 0S-1588 [2] BOLT  
  5L-5840 [2] WASHER 1.27 mm(.05 in.) thick  
3. 5M-2894 [16] WASHER 63.5mm(2.5 in.) thick  
4. 4L-3437 [2] GASKET  
5. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
6. 5L-2649 [1] BEARING  
7. 7L-7735 [1] GASKET  
8. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
9. 1A-2029 [6] BOLT  
10. 1C-2251 [4] BOLT  
11. 0S-1591 [3] BOLT  
12. 3N-7730 [1] PLATE  
  3N-7731 [1] GASKET  
13. 6L-8809 [1] TUBE  
14. 3P-0653 [1] SEAL  
15. 4L-7924 [1] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0634S0221
 

1W-1873: PUMP GP-ENGINE OIL

1W1873 OIL PUMP GROUP
Serial No. 68B6604 To 68B7660 Inclusive. Part Of 5N3794 Oil Pump
Group Shown On Page 50C.02
c234523 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0573 [1] BOLT  
2. 5M-2894 [16] WASHER  
3. 5N-3811 [1] PLATE  
4. 5N-3812 [1] GASKET  
5. 1N-9349 [1] SEAL  
6. 9S-4185 [1] PLUG  
  8L-2786 [1] SEAL  
7. 4F-7226 [3] BOLT  
8. 8H-3526 [9] WASHER 3.04 mm(.1196 in.)  
  5L-6267 [9] WASHER 1.27 mm(.05 in.) thick  
9. 3P-0658 [2] SEAL  
10. 5L-9257 [1] MANIFOLD ASSEM.  
    (Includes)
  9S-4188 [3] PLUG  
  4K-1388 [3] SEAL  
11. 6L-8806 [1] MANIFOLD ASSEM.  
    (Includes)
  9S-1343 [2] PLUG  
12. 5L-2648 [1] BEARING  
13. 4L-3770 [1] RETAINER ASSEM.  
    (Includes)
14. 6F-0984 [1] DOWEL  
15. 5L-2649 [1] BEARING  
16. 1W-1871 [1] SHAFT ASSEM.  
17. 0S-1588 [5] BOLT  
  4M-8974 [1] LOCK (2 hole)  
  5L-4949 [1] LOCK (5 hole)  
18. 1W-1868 [2] GEAR ASSEM. (12 teeth)  
    (Each Includes)
  5L-2650 [2] BEARING  
19. 5L-5982 [2] SHAFT  
20. 7F-8698 [6] BOLT  
21. 5N-3806 [1] HOUSING ASSEM.  
    (Includes)
  5L-2652 [1] BEARING  
22. 5N-3810 [1] GASKET  
23. 8N-1342 [1] COVER  
  1Y-2681 [2] DOWEL 6.35mm(.25 in.)  
  5M-4987 [2] DOWEL 12.45 mm(.50 in.)  
24. 0L-2070 [2] BOLT  
25. 9S-4190 [1] PLUG  
  7L-2224 [1] SEAL  
26. 9S-4182 [1] PLUG  
  033-5853 [1] SEAL  
27. 0S-1590 [5] BOLT  
28. 1A-2029 [4] BOLT  
29. 0L-1143 [4] BOLT  
30. 9S-1343 [1] PLUG  
 

#UEG0634S0222
 

5N-3794: PUMP GP-ENGINE OIL

5N3794 OIL PUMP GROUP
Serial No. 68B6604 To 68B7660 Inclusive. 1W1873 Pump Parts
Are Shown On Page 50C.01
c234522 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-1873 CY [1] PUMP ASSEM.  
    (Separate Illustration)
2. 0S-1588 [2] BOLT  
  5L-5840 [2] WASHER 1.27 mm(.05 in.) thick  
3. 5M-2894 [16] WASHER 63.5mm(2.5 in.) thick  
4. 4L-3437 [2] GASKET  
5. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
6. 5L-2649 [1] BEARING  
7. 7L-7735 [1] GASKET  
8. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
9. 1A-2029 [6] BOLT  
10. 1C-2251 [4] BOLT  
11. 0S-1591 [3] BOLT  
12. 3N-7730 [1] PLATE  
  3N-7731 [1] GASKET  
13. 6L-8809 [1] TUBE  
14. 3P-0653 [1] SEAL  
15. 4L-7924 [1] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0634S0223
 

5N-7891: PUMP GP-ENGINE OIL GEAR

5N7891 ENGINE OIL PUMP GROUP
Serial No. 68B7661-Up
5N7890 Pump Parts Are Shown On Page 50C.04
c182777 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-7890 Y [1] PUMP ASSEM.  
    (Separate Illustration)
2. 0S-1588 [2] BOLT  
  5L-5840 [2] WASHER 1.19mm(.0469 in.)thick  
3. 5M-2894 [6] WASHER 2.79mm(.109 in.)thick  
4. 4L-3437 [2] GASKET  
5. 0S-1618 [2] BOLT  
6. 7L-7735 [1] GASKET  
7. 0S-1594 [6] BOLT  
8. 3N-0910 [1] ADAPTER ASSEM.  
    (Includes)
  2D-6642 [3] BALL  
9. 5L-2649 [1] BEARING  
10. 0S-1571 [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. 5N-4411 [1] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0634S0224
 

5N-7890: PUMP GP-ENGINE OIL GEAR

5N7890 ENGINE OIL PUMP GROUP
Serial No. 68B7661-Up. Part Of 5N7891 Engine Oil Pump Group
Shown On Page 50C.03
c182778 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-1871 [1] SHAFT ASSEM.  
  1W-1869 [1] GEAR  
  3N-8247 [1] KEY  
2. 1N-9349 [1] SEAL  
3. 0L-1143 [4] BOLT  
4. 5M-2894 [16] WASHER  
5. 0T-0573 [1] BOLT  
6. 5N-3811 [1] PLATE  
7. 5N-3812 [1] GASKET  
8. 8N-1342 [1] COVER  
  5M-4987 [2] DOWEL (large)  
  1Y-2681 [2] DOWEL (small)  
9. 9S-4185 [1] PLUG  
  3K-0360 [1] SEAL  
10. 4F-7226 [3] BOLT  
11. 5P-8244 [9] WASHER 2.5mm(.098 in.)thick  
  5L-6267 [9] WASHER 1.27mm(.050 in.)thick  
12. 5N-7881 [1] MANIFOLD ASSEM.  
13. 4L-6766 [4] DOWEL  
14. 5N-8175 [1] PLUG  
  2S-4078 [1] SEAL  
15. 3P-0658 [2] SEAL  
16. 5N-4408 [1] MANIFOLD ASSEM.  
17. 5L-2648 [1] BEARING  
18. 9S-1343 [1] PLUG  
19. 4L-3770 [1] RETAINER ASSEM.  
20. 6F-0984 [1] DOWEL  
21. 5L-2649 [1] BEARING  
22. 0S-1588 [5] BOLT  
23. 5N-3806 [1] HOUSING  
24. 5L-2652 [1] BEARING  
25. 7F-8698 [6] BOLT  
26. 5N-3810 [1] GASKET  
27. 4M-8974 [1] LOCK (2 hole)  
  5L-4949 [1] LOCK (5 hole)  
28. 9S-4190 [1] PLUG  
  2M-9780 [1] SEAL  
29. 9S-4182 [1] PLUG  
  3J-7354 [1] SEAL  
30. 0L-2070 [2] BOLT  
31. 1W-1868 [2] GEAR ASSEM. (12 teeth)  
32. 5L-2650 [2] BEARING  
33. 5L-5982 [2] SHAFT  
34. 1A-2029 [4] BOLT  
35. 9S-1343 [1] PLUG  
36. 2S-2781 [1] PLUNGER  
  6N-1280 [1] SPRING  
37. 8J-8559 [1] PLUG  
  7M-8485 [1] SEAL  
38. 9S-4191 [2] PLUG  
  3J-1907 [2] SEAL  
39. 6V-3510 [1] ADAPTER  
40. 4K-1388 [3] SEAL  
41. 2S-2251 [1] SEAL  
42. 4F-8965 [2] BOLT  
43. 9S-4188 [2] PLUG  
 

#UEG0634S0225
 

5N-3795: OIL PUMP ASSEMBLY

5N3795 OIL PUMP ASSEMBLY
Serial No. 68B5183 To 68B5433 Inclusive
Part Of 5N3794 Oil Pump Group Shown On Page 50B
c220624 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0573 [1] BOLT  
2. 5M-2894 [16] WASHER  
3. 5N-3811 [1] PLATE  
4. 5N-3812 [1] GASKET  
5. 1N-9349 [1] SEAL  
6. 9S-4185 [1] PLUG  
  8L-2786 [1] SEAL  
7. 4F-7226 [3] BOLT  
8. 8H-3526 [9] WASHER 3.04 mm(.1196 in.)  
  5L-6267 [9] WASHER 1.27 mm(.05 in.) thick  
9. 3P-0658 [2] SEAL  
10. 5L-9257 [1] MANIFOLD ASSEM.  
    (Includes)
  9S-4188 [3] PLUG  
  4K-1388 [3] SEAL  
11. 6L-8806 [1] MANIFOLD ASSEM.  
    (Includes)
  9S-1343 [2] PLUG  
12. 5L-2648 [1] BEARING  
13. 4L-3770 [1] RETAINER ASSEM.  
    (Includes)
14. 6F-0984 [1] DOWEL  
15. 5L-2649 [1] BEARING  
16. 5N-3796 [1] SHAFT ASSEM.  
    (Includes)
  4L-6763 [1] GEAR (12 teeth)  
  4L-6764 [1] KEY  
17. 0S-1588 [5] BOLT  
  4M-8974 [1] LOCK (2 hole)  
  5L-4949 [1] LOCK (5 hole)  
18. 4L-6795 [2] GEAR ASSEM. (12 teeth)  
    (Each Includes)
  5L-2650 [2] BEARING  
19. 5L-5982 [2] SHAFT  
20. 7F-8698 [6] BOLT  
21. 5N-3806 [1] HOUSING ASSEM.  
    (Includes)
  5L-2652 [1] BEARING  
22. 5N-3810 [1] GASKET  
23. 5N-3808 [1] COVER ASSEM.  
    (Includes)
  1Y-2681 [2] DOWEL 6.35 mm(.25 in.)  
  5M-4987 [2] DOWEL 12.45 mm(.50 in.)  
24. 0L-2070 [1] BOLT  
25. 9S-4190 [1] PLUG  
  7L-2224 [1] SEAL  
26. 9S-4182 [1] PLUG  
  033-5853 [1] SEAL  
27. 0S-1590 [6] BOLT  
28. 1A-2029 [4] BOLT  
29. 0L-1143 [4] BOLT  
 

#UEG0634S0226
 

8N-2742: OIL PUMP ASSEMBLY

8N2742 OIL PUMP ASSEMBLY
Serial No. 68B5434 To 68B6603 Inclusive
Part Of 5N3794 Oil Pump Group Shown On Page 50C
c224061 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0573 [1] BOLT  
2. 5M-2894 [16] WASHER  
3. 5N-3811 [1] PLATE  
4. 5N-3812 [1] GASKET  
5. 1N-9349 [1] SEAL  
6. 9S-4185 [1] PLUG  
  8L-2786 [1] SEAL  
7. 4F-7226 [3] BOLT  
8. 8H-3526 [9] WASHER 3.04 mm(.1196 in.)  
  5L-6267 [9] WASHER 1.27 mm(.05 in.) thick  
9. 3P-0658 [2] SEAL  
10. 5L-9257 [1] MANIFOLD ASSEM.  
    (Includes)
  9S-4188 [3] PLUG  
  4K-1388 [3] SEAL  
11. 6L-8806 [1] MANIFOLD ASSEM.  
    (Includes)
  9S-1343 [2] PLUG  
12. 5L-2648 [1] BEARING  
13. 4L-3770 [1] RETAINER ASSEM.  
    (Includes)
14. 6F-0984 [1] DOWEL  
15. 5L-2649 [1] BEARING  
16. 5N-3796 [1] SHAFT ASSEM.  
    (Includes)
  4L-6763 [1] GEAR (12 teeth)  
  4L-6764 [1] KEY  
17. 0S-1588 [5] BOLT  
  4M-8974 [1] LOCK (2 hole)  
  5L-4949 [1] LOCK (5 hole)  
18. 4L-6795 [2] GEAR ASSEM. (12 teeth)  
    (Each Includes)
  5L-2650 [2] BEARING  
19. 5L-5982 [2] SHAFT  
20. 7F-8698 [6] BOLT  
21. 5N-3806 [1] HOUSING ASSEM.  
    (Includes)
  5L-2652 [1] BEARING  
22. 5N-3810 [1] GASKET  
23. 8N-1342 [1] COVER  
  1Y-2681 [2] DOWEL 6.35 mm(.25 in.)  
  5M-4987 [2] DOWEL 12.45 mm(.50 in.)  
24. 0L-2070 [2] BOLT  
25. 9S-4190 [1] PLUG  
  7L-2224 [1] SEAL  
26. 9S-4182 [1] PLUG  
  033-5853 [1] SEAL  
27. 0S-1590 [5] BOLT  
28. 1A-2029 [4] BOLT  
29. 0L-1143 [4] BOLT  
30. 9S-1343 [1] PLUG  
 

#UEG0634S0227
 

8L-5368: BASE GP-OIL PAN

8L5368 OIL PAN AND BASE GROUP
Serial No. 68B2540 to 68B3059 inclusive
Refer also to Pages 114B through 115B for special parts
c115564 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-5369 [1] BASE ASSEM.  
2. 8L-5457 C [1] GASKET  
3. 0S-1627 C [7] BOLT (4.50" long)  
4. 4L-8661 [2] PLUNGER ASSEM.  
5. 0S-1594 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
6. 4H-5440 [1] COVER  
7. 7L-3111 [2] GASKET  
8. 4B-8586 [2] PLUG  
9. 6L-7204 [1] BELL  
10. 0S-1588 [4] BOLT  
  5M-2894 [4] WASHER  
  7B-9457 [2] LOCK  
11. 6L-7198 [1] GASKET  
12. 6L-7205 [1] COVER  
  5B-6031 [2] GASKET  
  4F-3517 [1] SCREEN ASSEM.  
13. 0S-1616 [6] BOLT  
14. 8F-8682 [3] LOCK  
15. 0S-1756 [2] BOLT (4.25" long-Marked X)  
16. 8L-8418 [1] TUBE ASSEM.  
17. 7L-4447 [1] CAP ASSEM.  
18. 2N-9841 C [1] BOLT (Ground Body)  
  C   INDICATES CHANGE
 

#UEG0634S0228
 

8L-5368: BASE GP-OIL PAN

8L5368 OIL PAN AND BASE GROUP
Serial No. 68B3060 to 68B4711 inclusive
Refer also to Pages 114B through 115B for special parts
c150170 UEG0634S
  For full view, you need register

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-6359 C [1] BASE ASSEM.  
2. 8L-5457 [1] GASKET  
3. 0S-1627 C [9] BOLT  
4. 4L-8661 [2] PLUNGER ASSEM.  
5. 0S-1594 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
6. 4H-5440 [1] COVER  
7. 7L-3111 [2] GASKET  
8. 4B-8586 [2] PLUG  
9. 6L-7204 [1] BELL  
10. 0S-1588 [4] BOLT  
  5M-2894 [4] WASHER  
  7B-9457 [2] LOCK  
11. 6L-7198 [1] GASKET  
12. 6L-7205 [1] COVER  
  5B-6031 [2] GASKET  
  4F-3517 [1] SCREEN ASSEM.  
13. 0S-1616 [6] BOLT  
14. 8F-8682 [3] LOCK  
16. 8L-8418 [1] TUBE ASSEM.  
17. 7L-4447 [1] CAP ASSEM.  
18. 2N-9841 [1] BOLT (Ground Body)  
  C   INDICATES CHANGE
 

#UEG0634S0229
 

5N-2033: BASE GP-OIL PAN

5N2033 OIL PAN AND BASE GROUP--Part 1 of 2
Serial No. 68B4712 to 68B7660 inclusive
Refer also to Pages 114B through 115B for special parts
c229871 UEG0634S
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Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-6359 [1] BASE ASSEM.  
2. 8L-5457 [1] GASKET  
3. 0S-1627 [9] BOLT  
4. 4L-8661 [2] PLUNGER ASSEM.  
5. 0S-1594 [8] BOLT  
6. 3B-4506 [8] LOCKWASHER  
7. 4H-5440 [1] COVER  
8. 7L-3111 [2] GASKET  
9. 6V-1897 C [2] PLUG  
10. 3N-9075 [1] GASKET  
11. 7B-9457 [2] LOCK  
12. 5M-2894 [4] WASHER  
13. 0S-1616 [6] BOLT  
14. 8F-8682 [3] LOCK  
15. 6L-7205 [1] COVER  
  5B-6031 [2] GASKET  
16. 4F-3517 [1] SCREEN ASSEM.  
17. 6L-7204 [1] BELL  
18. 1A-2029 C [4] BOLT  
19. 2N-9841 [1] BOLT  
20. 7L-4447 [1] CAP ASSEM.  
21. 8L-8418 [1] TUBE ASSEM.  
22. 4M-6953 [1] WASHER  
  C   INDICATES CHANGE
 

Information:

Engine News
Special Instruction
Installation Of Replacement Parts For 3N7722, 8N2744, 1W1872, 1W1873, 1W1881 and 1W1882 Engine Oil Pump Groups{1304}
Installation Of Replacement Parts For 3N7722, 8N2744, 1W1872, 1W1873, 1W1881 and 1W1882 Engine Oil Pump Groups{1304}
Specifications
Oil Pump<BR> (Two Section 5L3022)
D399, G399, D398, G398, D379, G379 ENGINES
Lubricating Oil Pressure Regulating Valve
D399, G399, D398, G398, D379, G379 ENGINES
Prelube Oil Pump And Motor; (Early Type)
D399, G399, D398, G398, D379, G379 ENGINES
Oil Pump Relief Valve
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Engine Oil Pressure
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Sending Units For Oil Pressure
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Oil Pressure Relief Valve
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Oil Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Prelubrication Oil Pump (D399)
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine

Caterpillar Parts SIS Catalog D379 :

Truck sale:

 
CATERPILLAR D379 1988
- STATIONARY - DIESEL
ZEPPELIN POWER SYSTEMS
Am Holzhafen 7 - Bremen -
 
CATERPILLAR D379 1988
- STATIONARY - DIESEL
ZEPPELIN POWER SYSTEMS
Am Holzhafen 7 - Bremen -
 
 
CAT D379

Jeff Martin Auctioneers
Stanton, Texas
Call 
1980 CAT D379

Empire Power Systems
PHOENIX, Arizona
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