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7N3502 CYLINDER HEAD ASSEMBLY Serial No. 71B2671 to 71B2944 inclusive Part of 7N3507 Cylinder Head Group shown on Pages 19D & 19F and also part of 7N4353 & 7N4011 Cylinder Block Groups listed on Pages 19L and 19Q G342C




BASIC ENGINE

CYLINDER HEAD GP
 

#UE0347460060
 

7N-3502: CYLINDER HEAD AS

7N3502 CYLINDER HEAD ASSEMBLY
Serial No. 71B2671 to 71B2944 inclusive
Part of 7N3507 Cylinder Head Group shown on Pages 19D & 19F and also part of 7N4353 &
7N4011 Cylinder Block Groups listed on Pages 19L and 19Q
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-0623 [16] PLUG  
2. 7N-2051 [6] GUIDE  
3. 5H-7071 [12] DIRECTORS  
4. 8M-9810 [3] INSERT (exhaust)  
    (STANDARD)
  4S-8896 H [3] INSERT 0.13 mm(.005 in.) oversize  
  4S-8897 H [3] INSERT 0.26 mm(.010 in.) oversize  
5. 9M-8745 [3] INSERT (intake)  
    (STANDARD)
  4S-8912 H [3] INSERT 0.13 mm(.005 in.) oversize  
  4S-8913 H [3] INSERT 0.26 mm(.010 in.) oversize  
  H   NOT PART OF 7N3502 CYLINDER HE
 

#UE0347460061
 

8N-6001: CYLINDER HEAD AS

8N6001 CYLINDER HEAD ASSEMBLY*R
Part Of 7N4011 Cylinder Block
Field Replacement For 8N6731-Page 19H
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-0623 [16] PLUG  
2. 7N-2051 [6] GUIDE  
3. 5H-7071 [12] DIRECTORS  
4. 8M-9810 [3] INSERT (exhaust)  
    (STANDARD)
  4S-8896 H [3] INSERT 0.13 mm(.005 in.) oversize  
  4S-8897 H [3] INSERT 0.26 mm(.010 in.) oversize  
5. 9M-8745 [3] INSERT (intake)  
    (STANDARD)
  4S-8912 H [3] INSERT 0.13 mm(.005 in.) oversize  
  4S-8913 H [3] INSERT 0.26 mm(.010 in.) oversize  
  H   NOT PART OF 8N6001 CYLINDER HE
 

#UE0347460062
 

5N-8506: CYLINDER HEAD GP

5N8506 CYLINDER HEAD ASSEMBLY
S/N 71B3133 & 71B3163-Up
5N8505-Page 19K.02
Part Of 7N3507 Cylinder Head
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-8505 RY [1] HEAD ASSEM.  
    (Separate Illustration)
2. 3N-1414 [6] SPACER  
3. 7N-7639 [6] ROTATOR  
4. 9M-5350 [6] SPRING (Outer)  
5. 9M-5349 [6] SPRING (Inner)  
6. 2A-4429 [12] LOCK  
7. 2N-9297 [6] RETAINER  
8. 1W-1817 [3] VALVE (Intake)  
9. 1W-1819 [3] VALVE (Exhaust)  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UE0347460063
 

5N-8505: CYLINDER HEAD AS

5N8505 CYLINDER HEAD ASSEMBLY*R
S/N 71B3133 & 71B3163-Up
Part Of 5N8506 Head As
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-0623 [16] PLUG-CUP  
2. 1W-1816 [6] GUIDE-VALVE  
3. 5H-7071 [12] DIRECTOR-WATER  
4. 8M-9810 [3] INSERT-VALVE SEAT  
    (STANDARD)
  4S-8896 A [3] INSERT .13MM(.005 IN)OS  
  4S-8897 A [3] INSERT .26MM(.010 IN)OS  
5. 9M-8745 [3] INSERT-SEAT  
    (STANDARD)
  4S-8912 A [3] INSERT .13MM(.005 IN)OS  
  4S-8913 A [3] INSERT .26MM(.010 IN)OS  
  A   NOT PART OF THIS GROUP
 

#UE0347460064
 

7N-4353: CYLINDER BLOCK GROUP

7N4353 CYLINDER BLOCK GROUP
Serial No. 71B1 to 71B749 inclusive
Note: Converts Counterbored Cylinder Block to Spacer Plate Cylinder Block
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7N-3986 Y [1] CYLINDER BLOCK ASSEMBLY  
    - OR -
  8N-4315 Y [1] CYLINDER BLOCK ASSEMBLY  
  7N-3502 Y [2] CYLINDER HEAD ASSEMBLY  
  7N-3642 [2] CYLINDER HEAD GASKET  
  6L-7814 [2] SEAL  
  7B-2420 [2] FERRULE  
  1D-6260 [14] BOLT  
  9H-1031 [16] WASHER  
  1D-4599 [24] BOLT  
  9H-1024 [26] WASHER  
  1A-7669 [12] BOLT  
  1D-4600 [2] BOLT  
  2B-2391 [2] BOLT  
  2M-0849 [12] WASHER  
  7N-3841 [1] COUPLING ASSEMBLY  
  7N-5379 [1] LIFTING EYE  
  7N-6243 [24] SEAL  
  7N-3863 [6] ROD  
  7N-8131 [2] SPACER PLATE  
  Y   SEPARATE ILLUSTRATION
 

#UE0347460065
 

8N-4315: CYLINDER BLOCK ASSEMBLY

8N4315 CYLINDER BLOCK ASSEMBLY
Serial No. 71B1 to 71B749 inclusive
Part of 7N4353 Cylinder Block Group listed on Page 19L
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5F-1914 [4] DOWEL  
2. 9H-6133 [1] PLUG  
3. 2A-3798 [1] DOWEL  
4. 7N-3357 [1] TUBE ASSEM.  
    (Includes)
  5H-4390 [1] SLEEVE  
5. 0L-1547 [1] NUT  
6. 5H-2766 [1] STUD  
7. 2A-3349 [1] FERRULE  
8. 7F-1829 [1] CAP  
9. 5H-1092 [1] SPACER  
10. 8H-5467 [4] CAP  
11. 1A-5919 [2] DOWEL  
12. 9H-1080 [2] STUD  
  8M-3081 [2] NUT  
  1S-0686 [2] COTTER PIN  
13. 4H-9640 [2] BEARING  
14. 8F-6575 [1] PLUG  
15. 9H-1079 [2] STUD  
16. 5H-2786 [2] TUBE  
17. 5B-5812 [1] DOWEL  
18. 4H-8791 [1] CAP  
19. 5B-7308 [1] CAP  
20. 2B-2994 [2] DOWEL  
21. 0S-0519 [1] PLUG  
22. 8F-8523 [3] BEARING  
23. 4F-6024 [1] DOWEL  
24. 1P-0667 [12] STUD  
25. 2B-7408 [1] PLUG  
26. 4B-3251 [4] STUD  
27. 3B-7614 [2] SCREW  
28. 2B-2414 [2] SEAL  
29. 1A-5666 [14] NUT  
  4M-6953 [14] WASHER  
 

#UE0347460066
 

7N-3986: CYLINDER BLOCK ASSEMBLY

7N3986 CYLINDER BLOCK ASSEMBLY
Serial No. 71B1 to 71B749 inclusive
Part of 7N4353 Cylinder Block Group listed on Page 19L
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5F-1914 [4] DOWEL  
2. 9H-6133 [1] PLUG  
3. 2A-3798 [1] DOWEL  
4. 7N-3357 [1] TUBE ASSEM.  
    (Includes)
  5H-4390 [1] SLEEVE  
5. 0L-1547 [1] NUT  
6. 5H-2766 [1] STUD  
7. 2A-3349 [1] FERRULE  
8. 7F-1829 [1] CAP  
9. 5H-1092 [1] SPACER  
10. 8H-5467 [4] CAP  
11. 1A-5919 [2] DOWEL  
12. 1P-0667 [12] STUD  
  [14] NUT  
  4M-6953 [14] WASHER  
13. 4H-9640 [2] BEARING  
14. 8F-6575 [1] PLUG  
15. 9H-1079 [2] STUD  
16. 5H-2786 [2] TUBE  
17. 5B-5812 [1] DOWEL  
18. 4H-8791 [1] CAP  
19. 5B-7308 [1] CAP  
20. 2B-2994 [2] DOWEL  
21. 0S-0519 [1] PLUG  
22. 8F-8523 [3] BEARING  
23. 4F-6024 [1] DOWEL  
24. 9H-1080 [2] STUD  
  8M-3081 [2] NUT  
  1S-0686 [2] COTTER  
25. 2B-7408 [1] PLUG  
26. 4B-3251 [4] STUD  
27. 3B-7614 [2] SCREW  
28. 3S-9560 [2] SEAL  
 

#UE0347460067
 

7N-4011: CYLINDER BLOCK GROUP

7N4011 CYLINDER BLOCK GROUP
Serial No. 71B750 to 71B2670 inclusive
Note: Converts counterbored Cylinder Block to Spacer Plate Cylinder Block
UE0347460067 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7N-3035 Y [1] CYLINDER BLOCK ASSEMBLY  
    - OR -
  8N-4312 Y [1] CYLINDER BLOCK ASSEMBLY  
  7N-3502 Y [2] CYLINDER HEAD ASSEMBLY  
    - OR -
  8N-6001 RY [2] CYLINDER HEAD ASSEMBLY  
  8N-4810 [2] CYLINDER HEAD GASKET  
  6L-7814 [2] SEAL  
  7B-2420 [2] FERRULE  
  1D-6260 [14] BOLT  
  9H-1031 [16] WASHER  
  1D-4599 [24] BOLT  
  9H-1024 [26] WASHER  
  1A-7669 [12] BOLT  
  2M-0849 [12] WASHER  
  2B-2391 [2] BOLT  
  1D-4600 [2] BOLT  
  6L-2387 [6] STRAP  
  7N-5379 [1] LIFTING EYE  
  7N-6243 [24] SEAL  
  7N-3841 [1] COUPLING ASSEMBLY  
  7N-3863 [6] ROD  
  7N-8131 [2] PLATE SPACER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UE0347460068
 

8N-4312: CYLINDER BLOCK AS

8N4312 CYLINDER BLOCK ASSEMBLY
Serial No. 71B2799 to 71B2844 and 71B2908-Up
Part of 7N3506 Cylinder Block & Covers Group shown on Page 21Y and also part of 7N4011
Cylinder Block Group listed on Page 19Q at Serial No. 71B750 to 71B2670 inclusive
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5F-1914 [4] DOWEL  
2. 3B-0622 [1] PLUG  
3. 2A-3798 [1] DOWEL  
4. 7N-3357 [1] TUBE ASSEM.  
    (Includes)
  5H-4390 [1] SLEEVE  
5. 0L-1547 [1] NUT  
6. 2B-6296 [1] STUD  
7. 2A-3349 [1] FERRULE  
8. 4H-8986 [1] WASHER  
9. 5H-1092 [1] SPACER  
10. 7B-5415 [2] DOWEL  
11. 1A-5919 [2] DOWEL  
12. 1P-0667 [14] STUD  
  1A-5666 [14] NUT  
  4M-6953 [14] WASHER  
13. 4H-9640 [2] BEARING  
14. 8F-6575 [1] PLUG  
15. 0L-1521 [1] PLUG  
16. 5H-2786 [2] TUBE  
17. 5B-5812 [1] DOWEL  
18. 4S-6836 [1] CAP  
19. 4S-6835 [6] CAP  
20. 2B-2994 [2] DOWEL  
21. 0S-0519 [1] PLUG  
22. 8F-8523 [3] BEARING  
23. 4F-6024 [1] DOWEL  
24. 5H-4279 [1] PLUG  
 

#UE0347460069
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View-Part 1 of 2
Serial No. 71B1 to 71B286 inclusive
5M9129 Cylinder Block parts are shown on Page 22. See Page 23A for Gasket Kits
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9F-2247 [1] PLUG  
  4H-8795 [1] TUBE ASSEM.  
  0L-1547 [1] NUT  
  5H-4390 [1] SLEEVE  
    (PARTS OF TUBE ASSEM.4H8795)
  5H-4279 [1] PLUG  
  3B-8995 [1] FITTING  
  1F-1344 [1] NUT  
    (PART OF FITTING 3B8995)
  4L-3513 [1] COVER  
  3L-8109 [1] GASKET  
  0S-1585 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  2B-7410 [1] PLUG (SQUARE HEAD)  
  2B-4602 [1] PLUG (SLOTTED)  
  7B-5755 [1] COVER  
  0S-0509 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  3H-4890 [1] POINTER  
  4B-4948 [1] COVER  
  5H-2887 [1] HOUSING  
  3H-3285 [1] FERRULE  
    (PART OF PAN ASSEM. 4H5399)
  3H-3385 [1] SEAL  
  9B-3133 [1] GASKET  
  4B-3251 [3] STUD  
  5M-3673 [7] NUT  
  5M-3685 [2] LOCK (LONG)  
  5M-3697 [2] LOCK (SHORT)  
  0S-1594 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  6F-5282 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0L-1178 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  6B-9551 [1] STUD  
    (PART OF PAN ASSEM. 7H7201)
  7H-7201 [1] PAN ASSEM.  
  0S-1595 [9] BOLT  
  3B-4508 [9] LOCKWASHER  
  2H-1373 [2] PLUG  
  2H-1372 [2] GASKET  
  8B-0375 [6] LINER  
  7B-2126 [18] SEAL  
  4B-5037 [2] STUD (6.25" LONG)  
  1H-4004 [6] STUD (2.343" LONG)  
  0S-1594 [42] BOLT  
  3B-4506 [42] LOCKWASHER  
  9H-1078 [2] STUD  
  7B-5759 [1] COVER ASSEM.  
  7B-5455 [1] GASKET  
  0L-1351 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  5M-9621 [4] STUD  
    (PART OF COVER ASSEM. 5L4931)
  9H-1077 [2] STUD  
  5M-9129 Y [1] BLOCK ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  5L-4931 [1] COVER ASSEM.  
  4H-8781 [1] GASKET  
  7H-2323 [1] GASKET  
  4L-3350 [1] HOUSING ASSEM.  
  7B-5415 [2] DOWEL  
  4H-8986 [1] WASHER  
  2A-3307 [1] SEAL  
  4H-8986 [1] WASHER  
  7B-5415 [2] DOWEL  
  3B-8013 [2] COVER  
  3B-8017 [2] GASKET  
  4M-4409 [1] GASKET  
  0S-0509 [39] BOLT (.75" LONG)  
  0L-1351 [1] BOLT (.875" LONG)  
  3B-4506 [40] LOCKWASHER  
  5B-5812 [2] DOWEL  
    (PART OF PAN ASSEM. 4H5399)
  4H-5399 [1] PAN ASSEM.  
  2B-7409 [1] PLUG  
  0S-1585 [45] BOLT  
  3B-4508 [45] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Special Instruction
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Technical Information Bulletin
Lubricant For Gas Engines
Lubricant For Gas Engines
Specifications
Valves
G342 ENGINE
Tool Operating Manual
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
Reuse And Salvage Guidelines
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Applied Failure Analysis
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Service Magazine

Caterpillar Parts SIS Catalog G342C :

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