8L3421 TURBOCHARGER LUBRICATION VALVE GROUP SERIAL NO 34Z1 TO 34Z511 INCLUSIVE D379B GEN SET ENGINE



LUBRICATION SYSTEM
LINES GP-TURBOCHARGER OIL
AIR INLET AND EXHAUST SYSTEM
MANIFOLD GP-EXHAUST
AIR CLEANER GP

GEN SET ENGINE D379B GEN SET ENGINE 34Z
 D379B GENERATOR SET ENGINE 34Z00001-UP SEBP1289 D379B 34Z   (1980)

LUBRICATION SYSTEM

LINES GP-TURBOCHARGER OIL
VALVE GP-TURBO LUBRICATION
8L-3421 VALVE GP-TURBO LUBRICATION
VALVE GP-TURBO LUBRICATION
8L-3421 VALVE GP-TURBO LUBRICATION
VALVE GP-TURBO LUBRICATION
8L-3421 VALVE GP-TURBO LUBRICATION
 

#SEBP12890210
 

8L-3421: VALVE GP-TURBO LUBRICATION

8L3421 TURBOCHARGER LUBRICATION VALVE GROUP
SERIAL NO 34Z1 TO 34Z511 INCLUSIVE
c229872 SEBP1289
8L3421 VALVE GP-TURBO LUBRICATION Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 0S-1591 [4] BOLT  
2. 3B-4506 [8] LOCKWASHER  
3. 1S-6595 [2] GASKET  
4. 7M-6856 [1] BODY ASSEM.  
    (Includes)
5. 5M-6213 [3] PLUG  
6. 6K-8079 [5] CONNECTOR  
7. 3N-3303 [1] TUBE ASSEM.  
8. 4B-9302 [1] CLIP  
9. 1D-4717 C [6] NUT  
10. 4B-4278 [2] WASHER  
11. 3N-2378 [1] BRACKET  
12. 0S-1571 [1] BOLT  
  5K-1928 [1] BOSS  
13. 2N-6459 [1] TUBE ASSEM.  
14. 3J-5390 [1] PLUG  
15. 5N-3960 [1] TUBE ASSEM. (use with V-8)  
  5N-3961 [1] TUBE ASSEM. (use with V-12)  
16. 5B-1345 [1] CLIP  
17. 6F-6405 C [1] SPACER  
18. 9S-7694 [1] CONNECTOR  
19. 8L-9728 [1] ADAPTER  
20. 2N-1587 [1] GASKET  
21. 1B-7182 [3] BOLT  
  3B-4505 [3] LOCKWASHER  
22. 7M-6842 [1] PLUNGER  
23. 7M-6124 [1] SPRING  
24. 7M-6844 [1] GASKET  
25. 8L-3419 [1] COVER  
26. 9F-8999 [4] BOLT  
27. 5K-9243 [1] ELBOW  
28. 4B-8756 [2] NUT  
29. 5P-1198 H TUBE 52.98 cm(20.85 in.)  
30. 6L-3616 [1] CONNECTOR  
31. 3N-3320 [1] TUBE ASSEM.  
32. 3N-1442 [1] ADAPTER  
  7M-6843 [1] GASKET  
33. 0S-1594 C [2] BOLT  
34. 2H-7551 C [1] HOSE ASSEM. 30.5 cm(12.01 in.)  
35. C [1] CLIP  
36. 1A-2029 C [1] BOLT  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETER
 

#SEBP12890211
 

8L-3421: VALVE GP-TURBO LUBRICATION

8L3421 VALVE GP-TURBOCHARGER LUBRICATION
S/N 34Z512-1532
c234510 SEBP1289
8L3421 VALVE GP-TURBO LUBRICATION Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 0S-1591 [4] BOLT  
2. 3B-4506 [8] LOCKWASHER  
3. 1S-6595 [2] GASKET  
4. 7M-6856 [1] BODY AS-VALVE  
5. 5M-6213 [3] PLUG  
6. 6K-8079 C [3] CONNECTOR-FLARED  
7. 5N-8593 C [1] TUBE AS  
8. 4B-9302 [1] CLIP  
9. 1D-4717 [6] NUT  
10. 4B-4278 [2] WASHER  
11. 3N-2378 [1] BRACKET  
12. 0S-1571 [1] BOLT  
  5K-1928 [1] BOSS  
13. 2N-6459 [1] TUBE AS-OIL SUPPLY  
14. 3J-5390 [1] PLUG  
15. 5N-3960 [1] TUBE AS (USE WITH V-8)  
  5N-3961 [1] TUBE AS (USE WITH V-12)  
16. 5B-1345 [1] CLIP  
17. 6F-6405 [1] SPACER  
18. 9S-7694 [1] CONNECTOR-FLARED  
19. 8L-9728 [1] ADAPTER-OIL LINE  
20. 2N-1587 [1] GASKET  
21. 1B-7182 [3] BOLT  
  3B-4505 [3] LOCKWASHER  
22. 7M-6842 [1] PLUNGER-VALVE  
23. 7M-6124 [1] SPRING  
24. 7M-6844 [1] GASKET  
25. 8L-3419 [1] COVER-LUBRICATION VALVE  
26. 9F-8999 [4] BOLT  
27. 5K-9243 [1] ELBOW-FLARED  
28. 4B-8756 [2] NUT-FLARED  
29. 5P-1198 E TUBE 52.98CM(20.86IN)  
30. 6L-3616 [1] CONNECTOR-FLARED  
31. 3N-3320 [1] TUBE AS-SUPPLY  
32. 3N-1442 [1] ADAPTER-VALVE  
  7M-6843 [1] GASKET  
33. 0S-1594 [2] BOLT  
34. 2H-7551 [1] HOSE AS 30.5CM(12.01IN)  
35. 4S-5718 [1] CLIP  
36. 1A-2029 [1] BOLT  
37. 9M-6522 C [1] CONNECTOR-FLARED  
38. 9L-5254 C [1] ELBOW  
  C   CHANGE FROM PREVIOUS TYPE
  E   ORDER BY THE CENTIMETER
 

#SEBP12890212
 

8L-3421: VALVE GP-TURBO LUBRICATION

8L3421 VALVE GP-TURBOCHARGER LUBRICATION
S/N 34Z1533-UP
c330167 SEBP1289
8L3421 VALVE GP-TURBO LUBRICATION Parts scheme
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Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 0S-1591 [4] BOLT  
2. 5M-2894 C [8] WASHER  
3. 1S-6595 [2] GASKET  
4. 7M-6856 [1] BODY AS-VALVE  
5. 5M-6213 [3] PLUG  
6. 6K-8079 C [1] CONNECTOR-FLARED  
7. 5N-8593 [1] TUBE AS  
8. 4B-9302 [1] CLIP  
9. 1D-4717 [6] NUT  
10. 4B-4278 [2] WASHER  
11. 3N-2378 [1] BRACKET  
12. 0S-1571 [1] BOLT  
  5K-1928 [1] BOSS  
13. 4W-8282 C [1] TUBE AS-SUPPLY  
14. 6L-3652 [1] ADAPTER-OIL LINE  
15. 5N-3960 [1] TUBE AS (USE WITH V-8)  
  5N-3961 [1] TUBE AS (USE WITH V-12)  
16. 5B-1345 [1] CLIP  
17. 6F-6405 [1] SPACER  
18. 9S-7694 [1] CONNECTOR-FLARED  
19. 8L-9728 [1] ADAPTER-OIL LINE  
20. 2N-1587 [1] GASKET  
21. 1B-7182 [3] BOLT  
22. 7M-6842 [1] PLUNGER-VALVE  
23. 7M-6124 [1] SPRING  
24. 7M-6844 [1] GASKET  
25. 8L-3419 [1] COVER-LUBRICATION VALVE  
26. 9F-8999 [4] BOLT  
27. 5K-9243 [1] ELBOW-FLARED  
28. 4B-8756 [2] NUT-FLARED  
29. 5P-1198 E TUBE 52.98CM(20.86 IN.)  
30. 6L-3616 [1] CONNECTOR-FLARED  
31. 3N-3320 [1] TUBE AS-SUPPLY  
32. 3N-1442 [1] ADAPTER-VALVE  
  7M-6843 [1] GASKET  
33. 0S-1594 [2] BOLT  
34. 2H-7551 [1] HOSE AS  
35. 4S-5718 [1] CLIP  
36. 1A-2029 [1] BOLT  
37. 9M-6522 C [2] CONNECTOR-FLARED  
38. 9L-5254 [1] ELBOW  
39. 5K-9240 C [1] ELBOW-FLARED  
40. 3J-5390 [1] PLUG  
  C   CHANGE FROM PREVIOUS TYPE
  E   ORDER BY THE CENTIMETER
 

#SEBP12890213
 

2N-6689: MANIFOLD GP-COOLING

2N6689 MANIFOLD GROUP-WATERCOOLED
PART OF 3N2829 EBULLIENT COOLING CONVERSION ARRANGEMENT LISTED ON PAGE 5B
AN ATTACHMENT
c155153 SEBP1289
2N6689 MANIFOLD GP-COOLING Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 3B-4505 [4] LOCKWASHER  
2. 1D-4539 [4] BOLT  
3. 3N-5825 C [1] MANIFOLD ASSEM. (R.H.)  
    (Includes)
4. 6B-7440 [4] PLUG  
5. 6B-8692 [1] BOSS  
6. 1D-4574 [16] BOLT 6 in.(15.24 cm) long  
  1D-4569 C [16] BOLT 4.25 in.(10.79 cm)long  
  3B-4508 [32] LOCKWASHER  
7. 4L-7890 [4] GASKET  
8. 3J-5390 C [6] PLUG  
9. 4L-8097 [8] GASKET  
10. 0S-1594 [16] BOLT  
11. 3B-4506 [60] LOCKWASHER  
12. 5L-9370 [8] ELBOW  
  4H-5952 [8] GASKET  
13. 5L-9371 [8] CONNECTOR  
14. 6L-7817 [16] SEAL  
15. 0S-1588 [44] BOLT  
16. 4L-3378 [2] COVER  
17. 6L-5524 [1] PIPE ASSEM.  
18. 4L-6216 [1] GASKET  
19. 2N-3236 [8] GASKET  
20. 5M-6213 C [2] PLUG  
21. 8L-9757 [2] GASKET  
22. 8L-9771 [1] ELBOW  
23. 8L-9727 [1] ELBOW  
24. 4L-6200 [2] HOUSING  
25. 4L-8198 [2] MANIFOLD  
26. 0S-1587 [22] BOLT  
  2M-0849 [22] WASHER  
27. 5B-7890 C [2] PLUG  
28. 3N-5826 C [1] MANIFOLD ASSEM.  
    (Includes)
29. 6B-8692 [1] BOSS  
30. 6B-7440 [4] PLUG  
  C   INDICATES CHANGE
 

#SEBP12890214
 

3N-1678: MANIFOLD GP

3N1678 WATERCOOLED EXHAUST MANIFOLD GROUP-PART 1
PART OF 3N9129 ENGINE CONVERSION ARRANGEMENT LISTED ON PAGE 5
AN ATTACHMENT
c162205 SEBP1289
3N1678 MANIFOLD GP Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 8L-9727 [1] ELBOW  
2. 8L-9771 [1] ELBOW  
3. 0S-1588 [38] BOLT  
4. 3B-4506 C [34] LOCKWASHER  
5. 8L-9757 [2] GASKET  
6. 0S-1594 [16] BOLT  
7. 5L-9370 [8] ELBOW  
8. 4H-5952 [8] GASKET  
9. 6L-7817 [16] SEAL  
10. 5L-9371 [8] CONNECTOR  
11. 3N-8652 C [1] CONNECTOR  
12. 3N-8654 C [1] GASKET  
13. 4L-6200 [2] HOUSING  
14. 3J-5390 [4] PLUG  
15. 4L-3378 [2] COVER  
16. 0S-1587 [22] BOLT  
  2M-0849 [22] WASHER  
17. 4L-8198 [2] MANIFOLD  
18. 4L-7890 [4] GASKET  
19. 5M-6213 [1] PLUG  
20. 5B-7890 [2] PLUG  
21. 9M-4217 [1] SEAL  
22. 0S-1590 C [4] BOLT  
23. 5M-2894 C [26] WASHER  
24. 9M-4217 C [1] SEAL  
25. 3N-8653 C [1] FLANGE  
  C   INDICATES CHANGE
 

#SEBP12890215
 

3N-1678: MANIFOLD GP

3N1678 WATERCOOLED EXHAUST MANIFOLD GROUP-PART 2
PART OF 3N9129 ENGINE CONVERSION ARRANGEMENT LISTED ON PAGE 5
AN ATTACHMENT
c162206 SEBP1289
3N1678 MANIFOLD GP Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 4L-8097 [8] GASKET  
2. 2N-3236 [8] GASKET  
5. 3N-5794 [1] MANIFOLD ASSEM. (R.H.)  
    (Includes)
6. 6B-8692 [1] BOSS  
7. 6B-7440 [4] PLUG  
8. 1D-4574 [16] BOLT 152.40 mm(6 in.) long  
  1D-4569 [16] BOLT 107.95 mm(4.25 in.) long  
9. 3B-4508 [32] LOCKWASHER  
10. 3N-5793 [1] MANIFOLD ASSEM. (L.H.)  
    (Includes)
11. 6B-8692 [1] BOSS  
12. 6B-7440 [4] PLUG  
 

#SEBP12890216
 

3N-1718: MANIFOLD GP-WATER SHIELDED

3N1718 MANIFOLD GP-WATER SHIELDED-REAR VIEW-PART 1 0F 2
c404265 SEBP1289
3N1718 MANIFOLD GP-WATER SHIELDED Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 5K-9244 C [6] ELBOW  
2. 5N-3012 C [1] TUBE ASSEM.  
3. 7K-2543 C [1] TEE  
4. 5P-1184 [1] PLUG  
5. 5N-3009 C [1] TUBE ASSEM. (to cylinder block)  
6. 5N-7952 C [1] SHIELD ASSEM.  
7. 0S-0509 [18] BOLT  
8. 3B-4506 C [46] LOCKWASHER  
9. 5M-2894 C [24] WASHER  
10. 3N-3148 [2] TUBE ASSEM.  
  5K-9238 [2] CONNECTOR  
11. 3J-5390 [4] PLUG  
12. 1N-7482 [1] MANIFOLD  
13. 0S-1588 [4] BOLT  
14. 1D-4717 C [6] NUT  
15. 4B-4278 [16] WASHER  
16. 5N-2864 C [1] BRACKET ASSEM. (L.H.)  
17. 5N-7971 C [1] SHIELD ASSEM. (L.H.)  
18. 7L-5330 [1] BRACKET  
19. 5N-2867 C [2] BRACKET ASSEM.  
  0L-1351 C [2] BOLT  
20. 0S-1591 C [2] BOLT  
21. 3H-6591 C [15] BOLT  
22. 3H-5841 [8] BOLT  
  2N-3385 [8] NUT  
  3K-8909 [8] LOCKWASHER  
23. 2N-3386 [8] SUPPORT  
24. 2N-2882 [2] SHIELD  
25. 7L-2149 [16] GASKET  
26. 1N-7481 [1] MANIFOLD  
27. 5N-2861 C [1] BRACKET ASSEM.  
28. 5N-7970 C [1] SHIELD ASSEM. (R.H.)  
29. 0S-1594 C [24] BOLT  
30. 4H-9981 C [8] WASHER  
31. 3N-6240 [1] FLANGE  
32. 9M-4217 [2] SEAL  
33. 2N-4770 [1] TUBE ASSEM.  
34. 1A-2029 [4] BOLT  
35. 7L-6005 [1] GASKET  
36. 5B-7890 [4] PLUG  
37. 7H-2783 C [8] GASKET  
38. 5L-9370 [8] ELBOW  
39. 5N-7953 C [1] SHIELD ASSEM.  
40. 5L-9371 [8] CONNECTOR  
41. 6L-7817 [16] SEAL  
42. 3N-6841 [1] TUBE ASSEM. (to cylinder block)  
43. 2N-6448 [32] BOLT  
  8M-4791 [16] WASHER  
44. 5M-6214 C [8] PLUG  
45. 7L-5327 [1] BRACKET  
  C   INDICATES CHANGE
 

#SEBP12890217
 

3N-1718: MANIFOLD GP-WATER SHIELDED

3N1718 WATER SHIELDED MANIFOLD GROUP-SIDE VIEW-PART 2
c229875 SEBP1289
3N1718 MANIFOLD GP-WATER SHIELDED Parts scheme
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Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 7L-8055 [6] BELLOWS  
2. 7L-0572 [2] TUBE ASSEM.  
3. 2N-6319 [16] BOLT  
  2N-2766 [16] NUT  
4. 1N-7480 [1] MANIFOLD (L.H.)  
  1N-5943 [1] MANIFOLD (R.H.)  
5. 5N-7940 C [16] CLAMP  
6. 7L-8240 [2] BELLOWS  
7. 6L-8881 [4] TUBE  
8. 1N-7479 [1] MANIFOLD (L.H.)  
  1N-5944 [1] MANIFOLD (R.H.)  
9. 6L-8741 [16] PLUG  
10. 5M-6213 [1] PLUG  
11. 4L-6200 [2] HOUSING  
12. 0S-1588 [24] BOLT  
13. 5M-2894 [24] WASHER  
14. 0S-1587 C [22] BOLT  
  2M-0849 [22] WASHER  
15. 1N-7478 [1] MANIFOLD (L.H.)  
  1N-5942 [1] MANIFOLD (R.H.)  
16. 8M-2296 [2] NUT  
17. 4B-4278 [4] WASHER  
18. 4L-8198 [2] MANIFOLD  
19. 4L-8097 [8] GASKET  
21. 4L-3378 [2] COVER  
22. 4L-7890 [4] GASKET  
23. 3H-6622 [2] BOLT  
  C   INDICATES CHANGE
 

#SEBP12890218
 

7L-6549: AIR CLEANER GP

7L6549 AIR CLEANER GROUP
SERIAL NO 34Z1 TO 34Z858 INCLUSIVE
c229385 SEBP1289
7L6549 AIR CLEANER GP Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 5N-2668 [4] SUPPORT  
2. 6L-4714 [2] FILTER PANEL  
3. 5N-2969 C [2] COVER ASSEM.  
4. 1A-5183 [4] BOLT  
5. 0L-1351 [2] BOLT  
6. 1D-4717 [22] NUT  
7. 3B-4506 [18] LOCKWASHER  
8. 5N-2669 [2] HOUSING ASSEM.  
9. 5M-6214 [2] PLUG  
10. 3N-0881 [2] BRACE  
11. 0S-1595 [2] BOLT  
  1D-4719 [2] NUT  
12. 7L-6479 [16] PLUG (Button)  
13. 0S-1594 C [16] BOLT  
14. 0S-1590 [4] BOLT  
15. 6L-9438 [2] CHANNEL  
16. 4B-4278 C [16] WASHER (plain)  
  5N-2677 [8] WASHER (spring)  
17. 5M-2894 [16] WASHER  
18. 8N-8883 C [2] FILTER GROUP  
    (Each Includes)
  2N-7003 [1] FILTER  
  8N-8882 [8] FASTENER  
  C   INDICATES CHANGE
 

#SEBP12890219
 

7L-6549: AIR CLEANER GP

7L6549 AIR CLEANER GP
S/N 34Z859-1018
c303052 SEBP1289
7L6549 AIR CLEANER GP Parts scheme
  For full view, you need register

Parts for your D379B GEN SET ENGINE:

Pos. Part No Qty Parts name Comments
1. 5N-2668 [4] SUPPORT  
2. 6L-4714 [2] FILTER PANEL  
3. 5N-9368 C [2] COVER ASSEM.  
4. 1A-5183 [4] BOLT  
5. 0L-1351 [2] BOLT  
6. 1D-4717 [22] NUT  
7. 3B-4506 [18] LOCKWASHER  
8. 5N-9369 C [2] HOUSING ASSEM.  
9. 5M-6214 [2] PLUG  
10. 3N-0881 [2] BRACE  
11. 0S-1595 [2] BOLT  
  1D-4719 [2] NUT  
12. 7L-6479 [16] PLUG (Button)  
13. 0S-1594 [16] BOLT  
14. 0S-1590 [4] BOLT  
15. 6L-9438 [2] CHANNEL  
16. 4B-4278 [16] WASHER (plain)  
  5N-2677 [8] WASHER (spring)  
17. 5M-2894 [16] WASHER  
18. 8N-8883 [2] FILTER GROUP  
    (Each Includes)
  2N-7003 [1] FILTER  
  8N-8882 [8] FASTENER  
  C   INDICATES CHANGE
 

Information:

Engine News
Magnetic Cover for the Turbocharger Oil Supply Line {1052, 1307}
2006/02/06
Specifications
Turbocharger Lubrication Valve
D379B, D398B, D399 GENERATOR SET ENGINES
Disassembly and Assembly
Turbocharger Lubrication Valve
D379B, D398B & D399 GENRERATOR SET ENGINES

Caterpillar Parts SIS Catalog D379B :

CARTRIDGE GP-TURBOCHARGER
7N-8546 CARTRIDGE GP-TURBOCHARGER
TURBOCHARGER GP
8N-3029 TURBOCHARGER GP
TURBOCHARGER GP
8N-3028 TURBOCHARGER GP
TURBOCHARGER GP
3N-9656 TURBOCHARGER GP
TURBOCHARGER GP
3N-9656 TURBOCHARGER GP
TURBOCHARGER GP
6N-8218 TURBOCHARGER GP
TURBOCHARGER GP
7N-8543 TURBOCHARGER GP
TURBOCHARGER GP
2N-7575 TURBOCHARGER GP
VALVE GP-TURBO LUBRICATION
8L-3421 VALVE GP-TURBO LUBRICATION
VALVE GP-TURBO LUBRICATION
8L-3421 VALVE GP-TURBO LUBRICATION
MANIFOLD GP-COOLING
2N-6689 MANIFOLD GP-COOLING
MANIFOLD GP
3N-1678 MANIFOLD GP
MANIFOLD GP
3N-1678 MANIFOLD GP
MANIFOLD GP-WATER SHIELDED
3N-1718 MANIFOLD GP-WATER SHIELDED
MANIFOLD GP-WATER SHIELDED
3N-1718 MANIFOLD GP-WATER SHIELDED
AIR CLEANER GP
7L-6549 AIR CLEANER GP

Truck sale: