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CYLINDER HEAD AND VALVE MECHANISM (3L8456 N/S)--End View--Part 2 of 2 Serial No. 49B1980-Up Refer also to Page 88 for special parts D342C


BASIC ENGINE
CYLINDER HEAD GP
CYLINDER BLOCK GP

INDUSTRIAL ENGINE D342C INDUSTRIAL ENGINE 49B
 D342 ENGINE 49B01091-UP UEG0567S D342C 49B   (1966)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD ASSEMBLY
7N-3503 CYLINDER HEAD ASSEMBLY
CYLINDER HEAD ASSEMBLY
8N-6000 CYLINDER HEAD ASSEMBLY
 

#UEG0567S0030
 

3L-8456: CYLINDER HEAD GP

CYLINDER HEAD AND VALVE MECHANISM (3L8456 N/S)--End View--Part 2 of 2
Serial No. 49B1980-Up
Refer also to Page 88 for special parts
c151855 UEG0567S
3L8456 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7B-1756 [6] NUT  
  3F-8526 [6] WASHER  
  8F-4994 [6] SEAL  
  3B-7302 [6] BOLT  
  1B-4205 [6] NUT  
  3B-4508 [6] LOCKWASHER  
  1S-2365 [12] ARM ASSEM.  
  0L-1143 [14] BOLT (2.50" LONG)  
  2A-4639 [10] BOLT (1.50" LONG)  
  3B-4506 [24] LOCKWASHER  
  0T-0431 [24] WASHER  
  6B-6683 [16] NUT  
  4S-6555 [10] NUT  
    (RUBBER SEALED)
  9H-1024 [26] WASHER  
  9H-1020 [12] STUD  
  8M-7637 [12] ROTATOR  
  3B-0623 [14] PLUG  
    (PART OF 4N7041 ASSEM.)
  4N-7041 [2] CYLINDER HEAD SERVICE ASSEM.  
  6N-1330 C [2] GASKET  
  7B-2420 [2] FERRULE  
  6L-7814 [2] SEAL  
  9M-8745 [3] INSERT (INTAKE)  
  8M-9810 [3] INSERT (EXHAUST)  
    (PARTS OF 4N7041 ASSEM.)
  5H-2579 [6] GASKET (.010 IN. TH.)  
  1P-6441 C [6] GASKET (.156 IN. TH.)  
  1P-6442 C [6] GASKET (.140 IN. TH.)  
  9H-1022 [6] STUD  
  1B-4206 [6] NUT  
  6B-8505 [12] SLEEVE  
  3B-1142 [12] RETAINER  
  3B-1143 [36] LOCK  
  9M-5350 [12] SPRING (OUTER)  
  9M-5349 [12] SPRING (INNER)  
  3N-1414 [12] SPACER  
  4N-3669 [6] GUIDE  
    (Part of 4N7041 Assem.)
  7L-2123 C [6] PLUG  
  2P-0484 C [6] CHAMBER ASSEM.  
  6L-7816 [6] SEAL  
  0L-1351 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  7B-7770 [4] COVER  
  6H-2007 [4] GASKET  
  5H-7071 [12] DIRECTOR  
    (PART OF 4N7041 ASSEM.)
  9H-1288 [12] STUD  
  6B-6224 [24] FERRULE  
  6L-7813 [24] SEAL  
  1S-4390 [2] GASKET  
 

#UEG0567S0031
 

7L-8177: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7L8177 N/S)--Side View--Part 1 of 2
Serial No. 49B1091 to 49B1194 inclusive. 5S1690 Block Assembly parts are shown on Page 30
Note: 3S4032 Piston & Liner Group, consisting of: 1--Piston Assembly, 1--Liner & 3--Seal, is available
See Page 34 for Gasket Kits
c120048 UEG0567S
7L8177 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8B-0375 [6] LINER  
  5H-8985 [4] PIN  
  7B-2126 [18] SEAL  
  7L-8065 [1] COVER  
  3L-8109 [1] GASKET  
  0S-1587 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  0S-0509 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7B-5755 [1] COVER  
  3H-4890 [1] POINTER  
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-4948 [1] COVER  
  7L-2850 [1] HOUSING (FLYWHEEL)  
  5M-3673 [7] NUT  
  5M-3685 [2] LOCK (LONG)  
  5M-3697 [2] LOCK (SHORT)  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0L-1178 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  7L-5396 [1] GASKET  
  6B-9551 [1] STUD  
    (PART OF PAN ASSEM. 4S7516)
  2H-6488 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4S-7516 [1] PAN ASSEM. (REAR)  
  0S-1595 [9] BOLT  
  3B-4508 [9] LOCKWASHER  
  9B-3133 [1] GASKET  
  3H-3285 [1] FERRULE  
    (PART OF PAN ASSEM. 4H5399)
  3H-3385 [1] RING  
  2H-1373 [2] PLUG  
  2H-1372 [2] GASKET  
  5S-1690 Y [1] BLOCK ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  4H-9010 [1] COVER ASSEM.  
  0L-1351 [42] BOLT  
  3B-4506 [42] LOCKWASHER  
  4H-8781 [1] GASKET  
  7H-2323 [1] GASKET  
  2A-3307 [1] SEAL  
  4H-8986 [1] WASHER  
  2A-4522 [1] COVER  
  2A-4448 [1] GASKET  
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1595 [2] BOLT  
  7B-3235 [43] BOLT  
  3B-4508 [45] LOCKWASHER  
  4H-5399 [1] PAN ASSEM.  
  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)
  4S-7517 [1] GASKET  
  3B-8013 [2] COVER  
  3B-8017 [2] GASKET  
  5M-6213 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0567S0032
 

7L-8177: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7L8177 N/S)--Front View--Part 2 of 2
Serial No. 49B1091 to 49B1194 inclusive
c120049 UEG0567S
7L8177 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-2996 [1] COVER (FRONT)  
  4H-5360 [1] COVER (REAR)  
  4H-9576 [2] GASKET  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-8460 [1] COVER  
  2B-6924 [1] GASKET  
  0T-0199 [1] PLUG  
  3F-7473 [1] BUSHING (OUTER)  
  3F-7474 [1] BUSHING (INNER)  
    (PARTS OF HOUSING ASSEM. 7L2801)
  4H-9527 [1] COVER  
  4H-9628 [1] GASKET  
  7L-2801 [1] HOUSING ASSEM. (TIMING GEAR)  
  4H-9640 [2] BEARING  
  5H-1092 [1] SPACER  
    (PARTS OF HOUSING ASSEM. 7L2801)
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5H-1312 [1] COVER  
  5H-1333 [1] GASKET  
  0S-1594 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4H-7116 [1] PLUNGER ASSEM.  
  1A-2029 [11] BOLT (1.125" LONG)  
  3B-4506 [11] LOCKWASHER  
  4M-6491 [1] BUSHING ASSEM.  
  7B-5759 [1] COVER ASSEM.  
  7L-3024 [1] SUPPORT  
  7B-3235 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  0L-1351 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  1A-2029 [38] BOLT (1.125" LONG)  
  0S-1591 [2] BOLT (1.50" LONG)  
  3B-4506 [40] LOCKWASHER  
  2H-5759 [1] FLANGE  
  7F-7590 [1] GASKET  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-7411 [1] PLUG  
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5F-4899 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0431 [2] WASHER  
  4H-9632 [1] COVER  
  6H-1996 [1] GASKET  
  0S-1594 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  2A-3348 [2] DOWEL  
    (PART OF HOUSING ASSEM. 7L2801)
  3J-5390 [1] PLUG  
  2H-8829 [1] PLUG  
  4F-9325 [1] GASKET  
  5M-6214 [1] PLUG  
  3L-9124 [1] COVER  
  5H-5626 [1] GASKET  
  2A-5349 [5] STUD  
    (PART OF HOUSING ASSEM. 7L2801)
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9F-5830 [1] COVER  
  7F-7590 [1] GASKET  
  5H-2633 [1] COVER  
  7B-5455 [2] GASKET  
  0S-1594 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
 

#UEG0567S0033
 

7L-2971: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7L2971 N/S)--Side View--Part 1 of 2
Serial No. 49B1195 to 49B1813 inclusive. 5S1690 Block Assembly parts are shown on Page 30
Note: 3S4032 Piston & Liner Group, consisting of: 1--Piston Assembly, 1--Liner & 3--Seal, is available
See Page 34 for Gasket Kits
c106987 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8B-0375 [6] LINER  
  5H-8985 [4] PIN  
  6L-7812 [18] SEAL  
  7L-7763 [1] COVER  
  [1] GASKET  
  0S-1585 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  0S-0509 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7B-5755 [1] COVER  
  3H-4890 [1] POINTER  
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  7B-5755 [1] COVER  
  7L-2850 [1] HOUSING  
    (FLYWHEEL)
  5M-3673 [7] NUT  
  5M-3685 [2] LOCK (LONG)  
  5M-3697 [2] LOCK (SHORT)  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0L-1178 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  7L-5396 [1] GASKET  
  6B-9551 [1] STUD  
    (PART OF PAN ASSEM. 4S7516)
  6F-5282 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4S-7516 [1] PAN ASSEM.  
    (REAR)
  0S-1595 [9] BOLT  
  3B-4508 [9] LOCKWASHER  
  6L-5311 [1] GASKET  
  3H-3285 [1] FERRULE  
    (Part of 4H5399 Assem.)
  3H-3385 [1] RING  
  2H-1373 [2] PLUG  
  2H-1372 [2] GASKET  
  5S-1690 Y [1] BLOCK ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  4H-9010 [1] COVER ASSEM.  
  0L-1351 [42] BOLT  
  3B-4506 [42] LOCKWASHER  
  4H-8781 [1] GASKET  
  6L-5498 [1] GASKET  
  2A-3307 [1] SEAL  
  4H-8986 [1] WASHER  
  2A-4522 [1] COVER  
  2A-4448 [1] GASKET  
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1595 [2] BOLT  
  7B-3235 [43] BOLT  
  3B-4508 [45] LOCKWASHER  
  4H-5399 [1] PAN ASSEM.  
  0S-0509 [39] BOLT (.75" long)  
  0L-1351 [1] BOLT (.875" long)  
  3B-4506 [40] LOCKWASHER  
  5B-5812 [2] DOWEL  
    (Part of 4H5399 Assem.)
  7L-6498 [1] GASKET  
  3B-8013 [2] COVER  
  6L-5465 [2] GASKET  
  5M-6213 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0567S0034
 

7L-2971: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7L2971 N/S)--Front View--Part 2 of 2
Serial No. 49B1195 to 49B1813 inclusive
c112152 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-2996 [1] COVER (FRONT)  
  4H-5360 [1] COVER (REAR)  
  6L-5503 [2] GASKET  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-8460 [1] COVER  
  2B-6924 [1] GASKET  
  0T-0199 [1] PLUG  
  3F-7473 [1] BUSHING (OUTER)  
  3F-7474 [1] BUSHING (INNER)  
    (PARTS OF HOUSING ASSEM. 7L2801)
  4H-9527 [1] COVER  
  4H-9628 [1] GASKET  
  7L-2801 [1] HOUSING ASSEM.  
    (TIMING GEAR)
  7B-5415 [2] DOWEL  
    (PART OF HOUSING ASSEM. 7L2801)
  4H-9640 [2] BEARING  
  5H-1092 [1] SPACER  
    (PARTS OF HOUSING ASSEM. 7L2801)
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5H-1312 [1] COVER  
  5H-1333 [1] GASKET  
  0S-1594 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4H-7116 [1] PLUNGER ASSEM.  
  1A-2029 [11] BOLT (1.125" LONG)  
  3B-4506 [11] LOCKWASHER  
  9S-5771 [1] BUSHING ASSEM.  
  7B-5759 [1] COVER ASSEM.  
  7L-3024 [1] SUPPORT  
  7B-3235 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  0L-1351 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  1A-2029 [38] BOLT (1.125" LONG)  
  0S-1591 [2] BOLT (1.50" LONG)  
  3B-4506 [40] LOCKWASHER  
  2H-5759 [1] FLANGE  
  7F-7590 [1] GASKET  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-7411 [1] PLUG  
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5F-4899 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0431 [2] WASHER  
  4H-9632 [1] COVER  
  6L-5464 [1] GASKET  
  0S-1594 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  2A-3348 [2] DOWEL  
    (PART OF HOUSING ASSEM. 7L2801)
  3J-5390 [1] PLUG  
  2H-8829 [1] PLUG  
  4F-9325 [1] GASKET  
  5M-6214 [1] PLUG  
  3L-9124 [1] COVER  
  5H-5626 [1] GASKET  
  2A-5349 [5] STUD  
    (PART OF HOUSING ASSEM. 7L2801)
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9F-5830 [1] COVER  
  7F-7590 [1] GASKET  
  5H-2633 [1] COVER  
  6L-5271 [2] GASKET  
  0S-1594 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
 

#UEG0567S0035
 

7L-2971: CYLINDER BLOCK AND COVERS GROUP

7L2971 CYLINDER BLOCK AND COVERS GROUP--Side View--Type 1--Part 1 of 2
Serial No. 49B1814 to 49B2010 inclusive. 7L3021 Cylinder Block parts are shown on Pages 30B and 31
See Page 34 for Gasket Kits
c143163 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS GROUP Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8B-0375 [6] LINER  
  5H-8985 [4] PIN  
  6L-7812 [18] SEAL  
  7L-7763 [1] COVER  
  [1] GASKET  
  0S-1585 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  0S-0509 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7B-5755 [1] COVER  
  3H-4890 [1] POINTER  
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  7B-5755 [1] COVER  
  7L-2850 [1] HOUSING (FLYWHEEL)  
  5M-3673 [7] NUT  
  5M-3685 [2] LOCK (LONG)  
  5M-3697 [2] LOCK (SHORT)  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0L-1178 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  7L-5396 [1] GASKET  
  6B-9551 [1] STUD  
    (PART OF PAN ASSEM. 4S7516)
  6F-5282 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4S-7516 [1] PAN ASSEM. (REAR)  
  0S-1595 [9] BOLT  
  3B-4508 [9] LOCKWASHER  
  6L-5311 [1] GASKET  
  3H-3285 [1] FERRULE  
    (Part of 4H5399 Assem.)
  3H-3385 [1] RING  
  2H-1373 [2] PLUG  
  2H-1372 [2] GASKET  
  YC [1] BLOCK ASSEM.  
    (Separate Illustration)
  4H-9010 [1] COVER ASSEM.  
  0L-1351 [42] BOLT  
  3B-4506 [42] LOCKWASHER  
  4H-8781 [1] GASKET  
  6L-5498 [1] GASKET  
  2A-3307 [1] SEAL  
  4H-8986 [1] WASHER  
  2A-4522 [1] COVER  
  2A-4448 [1] GASKET  
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1595 [2] BOLT  
  7B-3235 [43] BOLT  
  3B-4508 [45] LOCKWASHER  
  4H-5399 [1] PAN ASSEM.  
  0S-0509 [39] BOLT (.75" long)  
  0L-1351 [1] BOLT (.875" long)  
  3B-4506 [40] LOCKWASHER  
  5B-5812 [2] DOWEL  
    (Part of 4H5399 Assem.)
  2P-3759 C [1] GASKET  
  3B-8013 [2] COVER  
  6L-5465 [2] GASKET  
  5M-6213 [1] PLUG  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0567S0036
 

7L-2971: CYLINDER BLOCK AND COVERS GROUP

7L2971 CYLINDER BLOCK AND COVERS GROUP--Front View--Type 1--Part 2 of 2
Serial No. 49B1814 to 49B2010 inclusive
c143164 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS GROUP Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-2996 [1] COVER (FRONT)  
  4H-5360 [1] COVER (REAR)  
  6L-5503 [2] GASKET  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-8460 [1] COVER  
  2B-6924 [1] GASKET  
  0T-0199 [1] PLUG  
  3F-7473 [1] BUSHING (OUTER)  
  3F-7474 [1] BUSHING (INNER)  
    (PARTS OF HOUSING ASSEM 7L2801)
  4H-9527 [1] COVER  
  4H-9628 [1] GASKET  
  7L-2801 [1] HOUSING ASSEM. (TIMING GEAR)  
  7B-5415 [2] DOWEL  
    (PART OF HOUSING ASSEM. 7L2801)
  4H-9640 [2] BEARING  
  5H-1092 [1] SPACER  
    (PARTS OF HOUSING ASSEM 7L2801)
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5H-1312 [1] COVER  
  5H-1333 [1] GASKET  
  0S-1594 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4H-7116 [1] PLUNGER ASSEM.  
  1A-2029 [11] BOLT (1.129 in. long)  
  3B-4506 [11] LOCKWASHER  
  9S-5771 [1] BUSHING ASSEM.  
  7B-5759 [1] COVER ASSEM.  
  7L-3024 [1] SUPPORT  
  7B-3235 C [2] BOLT  
  3B-4508 [6] LOCKWASHER  
  0L-1351 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  1A-2029 [38] BOLT (1.125" LONG)  
  0S-1591 [2] BOLT (1.50" LONG)  
  3B-4506 [40] LOCKWASHER  
  2H-5759 [1] FLANGE  
  7F-7590 [1] GASKET  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-7411 [1] PLUG  
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5F-4899 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0431 [2] WASHER  
  4H-9632 [1] COVER  
  6L-5464 [1] GASKET  
  0S-1594 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  2A-3348 [2] DOWEL  
    (PART OF HOUSING ASSEM. 7L2801)
  3J-5390 [1] PLUG  
  2H-8829 [1] PLUG  
  4F-9325 [1] GASKET  
  5M-6214 [1] PLUG  
  3L-9124 [1] COVER  
  5H-5626 [1] GASKET  
  2A-5349 [5] STUD  
    (PART OF HOUSING ASSEM. 7L2801)
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9F-5830 [1] COVER  
  7F-7590 [1] GASKET  
  7L-3006 C [4] BRACKET  
  0S-1585 C [4] BOLT  
  0S-1594 C [4] BOLT  
  3B-4506 C [4] LOCKWASHER  
  5H-2633 [1] COVER  
  6L-5271 [2] GASKET  
  0S-1594 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  C   INDICATES CHANGE
 

#UEG0567S0037
 

7L-2971: CYLINDER BLOCK AND COVERS GROUP

7L2971 CYLINDER BLOCK AND COVERS GROUP--Side View--Type 2--Part 1 of 2
Serial No. 49B1814 to 49B2010 inclusive
7L3021 Cylinder Block parts are shown on Pages 30B and 31. See Page 34 for Gasket Kits
c149737 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS GROUP Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8B-0375 [6] LINER  
  5H-8985 [4] PIN  
  6L-7812 [18] SEAL  
  7L-7763 [1] COVER  
  [1] GASKET  
  0S-1585 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  0S-0509 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7B-5755 [1] COVER  
  3H-4890 [1] POINTER  
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  7B-5755 [1] COVER  
  7L-2850 [1] HOUSING (Flywheel)  
  5M-3673 [7] NUT  
  5M-3685 [2] LOCK (long)  
  5M-3697 [2] LOCK (short)  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0L-1178 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  7L-5396 [1] GASKET  
  6B-9551 [1] STUD  
    (Part of 4S7516 Assem.)
  6F-5282 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4S-7516 [1] PAN ASSEM. (REAR)  
  0S-1595 [9] BOLT  
  3B-4508 [9] LOCKWASHER  
  6L-5311 [1] GASKET  
  3H-3285 [1] FERRULE  
    (Part of 4H5399 Assem.)
  3H-3385 [1] RING  
  2H-1373 [2] PLUG  
  2H-1372 [2] GASKET  
  Y [1] BLOCK ASSEM.  
    (Separate Illustration)
  4H-9010 [1] COVER ASSEM.  
  0L-1351 [42] BOLT  
  3B-4506 [42] LOCKWASHER  
  4H-8781 [1] GASKET  
  6L-5498 [1] GASKET  
  2A-3307 [1] SEAL  
  4H-8986 [1] WASHER  
  2A-4522 [1] COVER  
  2A-4448 [1] GASKET  
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1595 [2] BOLT  
  7B-3235 [43] BOLT  
  3B-4508 [45] LOCKWASHER  
  4H-5399 [1] PAN ASSEM.  
  0S-0509 [39] BOLT (.75" long)  
  0L-1351 [1] BOLT (.875" long)  
  3B-4506 [40] LOCKWASHER  
  5B-5812 [2] DOWEL  
    (Part of 4H5399 Assem.)
  2P-3759 [1] GASKET  
  3B-8013 [2] COVER  
  6L-5465 [2] GASKET  
  5M-6213 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0567S0038
 

7L-2971: CYLINDER BLOCK AND COVERS GROUP

7L2971 CYLINDER BLOCK AND COVERS GROUP--Front View--Type 2--Part 2 of 2
Serial No. 49B1814 to 49B2010 inclusive
c149738 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS GROUP Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-2996 [1] COVER (front)  
  4N-5053 C [1] COVER (rear)  
  6L-5503 [2] GASKET  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2B-8460 [1] COVER  
  2B-6924 [1] GASKET  
  0T-0199 [1] PLUG  
  3F-7473 [1] BUSHING (outer)  
  3F-7474 [1] BUSHING (inner)  
    (Parts of 7L2801 Assem.)
  4H-9527 [1] COVER  
  4H-9628 [1] GASKET  
  7L-2801 [1] HOUSING ASSEM. (Timing Gear)  
  7B-5415 [2] DOWEL  
    (Part of 7L2801 Assem.)
  4H-9640 [2] BEARING  
  5H-1092 [1] SPACER  
    (Parts of 7L2801 Assem.)
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5H-1312 [1] COVER  
  5H-1333 [1] GASKET  
  0S-1594 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4H-7116 [1] PLUNGER ASSEM.  
  1A-2029 [11] BOLT (1.129 in. long)  
  3B-4506 [11] LOCKWASHER  
  9S-5771 [1] BUSHING ASSEM.  
  7B-5759 [1] COVER ASSEM.  
  7L-3024 [1] SUPPORT  
  7B-3235 [2] BOLT  
  3B-4508 [6] LOCKWASHER  
  0L-1351 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  1A-2029 [38] BOLT (1.125 in. long)  
  0S-1591 [2] BOLT (1.50 in. long)  
  3B-4506 [40] LOCKWASHER  
  0L-1351 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  5F-4899 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0431 [2] WASHER  
  4H-9632 [1] COVER  
  6L-5464 [1] GASKET  
  0S-1594 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  2A-3348 [2] DOWEL  
    (Part of 7L2801 Assem.)
  3J-5390 [1] PLUG  
  2H-8829 [1] PLUG  
  4F-9325 [1] GASKET  
  5M-6214 [1] PLUG  
  3L-9124 [1] COVER  
  5H-5626 [1] GASKET  
  2A-5349 [5] STUD  
    (Part of 7L2801 Assem.)
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9F-5830 [1] COVER  
  7F-7590 [1] GASKET  
  7L-3006 [4] BRACKET  
  0S-1585 [4] BOLT  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5H-2633 [1] COVER  
  6L-5271 [2] GASKET  
  0S-1594 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  C   INDICATES CHANGE
 

#UEG0567S0039
 

7L-2971: CYLINDER BLOCK AND COVERS GROUP

7L2971 CYLINDER BLOCK AND COVERS GROUP--Side View--Part 1 of 2
Serial No. 49B2011-Up
6N5399 Cylinder Block parts are shown on Page 31B. See Page 34 for Gasket Kits
c222623 UEG0567S
7L2971 CYLINDER BLOCK AND COVERS GROUP Parts scheme
  For full view, you need register

Parts for your D342C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6N-5398 C [6] LINER  
  5H-8985 [4] PIN  
  6L-7812 C [6] SEAL  
  7L-7763 [1] COVER  
  [1] GASKET  
  0S-1585 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  0S-0509 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7B-5755 [1] COVER  
  3H-4890 [1] POINTER  
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  7B-5755 [1] COVER  
  7L-2850 [1] HOUSING (Flywheel)  
  6L-7812 C [12] SEAL  
  5M-3673 [7] NUT  
  5M-3685 [2] LOCK (long)  
  5M-3697 [2] LOCK (short)  
  0S-1588 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0L-1178 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  7L-5396 [1] GASKET  
  6B-9551 [1] STUD  
    (Part of 4S7516 Assem.)
  6F-5282 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4S-7516 [1] PAN ASSEM. (rear)  
  0S-1595 [9] BOLT  
  3B-4508 [9] LOCKWASHER  
  6L-5311 [1] GASKET  
  6N-2841 C [6] BAND  
  3H-3285 [1] FERRULE  
    (Part of 4H5399 Assem.)
  3H-3385 [1] RING  
  2H-1373 [2] PLUG  
  2H-1372 [2] GASKET  
  6N-5399 YC [1] BLOCK ASSEM.  
    (Separate Illustration)
  4H-9010 [1] COVER ASSEM.  
  0L-1351 [42] BOLT  
  3B-4506 [42] LOCKWASHER  
  4H-8781 [1] GASKET  
  6L-5498 [1] GASKET  
  2A-3307 [1] SEAL  
  4H-8986 [1] WASHER  
  2A-4522 [1] COVER  
  2A-4448 [1] GASKET  
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1595 [2] BOLT  
  7B-3235 [43] BOLT  
  3B-4508 [45] LOCKWASHER  
  4H-5399 [1] PAN ASSEM.  
  0S-0509 [39] BOLT (.75 in. long)  
  0L-1351 [1] BOLT (.875 in. long)  
  3B-4506 [40] LOCKWASHER  
  5B-5812 [2] DOWEL  
    (Part of 4H5399 Assem.)
  2P-3759 [1] GASKET  
  3B-8013 [2] COVER  
  6L-5465 [2] GASKET  
  5M-6213 [1] PLUG  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Information About The Use Of Earlier Cylinder Heads And Liners With Spacer Plate Cylinder Blocks; List Of Earlier Articles
1979/03/14
Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19
Engine Valve Stem "Use Again" Specifications
1983/03/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/10/26
A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01
Determining The Cause Of Glow Plug Tip Failures
1986/06/01
Valve Lash Adjustment Interval Is Changed
1986/07/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25
Improved Cylinder Block With Spacer Plates Used With Improved Cylinder Heads And Cylinder Head Gaskets
1977/08/24
Tolerance Added To Valve Clearance Specifications
1978/01/18
Use Again Specifications For Valve Springs Are Changed
1978/03/01
Use New Tools To Adapt Former Cylinder Heads With Counterbores To Cylinder Blocks With Spacer Plates
1978/05/24
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
Special Instruction
Reconditioning Of Cylinder Heads For Use On Spacer Plate Cylinder Blocks{1101}
Reconditioning Of Cylinder Heads For Use On Spacer Plate Cylinder Blocks{1101}
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}
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
Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29
Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16
Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22
Improved Cylinder Block With Spacer Plates Used With Improved Cylinder Heads And Cylinder Head Gaskets{1101,1201,1221}
1977/08/29
Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30
Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06
Use New Tools To Adapt Former Cylinder Heads With Counterbores To Cylinder Blocks With Spacer Plates{0600,1100,1101,1201}
1978/05/22
Information About The Use Of Earlier Cylinder Heads And Liners With Spacer Plate Cylinder Blocks; List Of Earlier Articles{0600,1101,1162,1201,1216,1221}
1979/03/26
A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08

Caterpillar Parts SIS Catalog D342C :

CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER HEAD GP
3L-8456 CYLINDER HEAD GP
CYLINDER BLOCK AND COVERS
7L-8177 CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
7L-8177 CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
7L-2971 CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
7L-2971 CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS GROUP
7L-2971 CYLINDER BLOCK AND COVERS GROUP
CYLINDER BLOCK AND COVERS GROUP
7L-2971 CYLINDER BLOCK AND COVERS GROUP
CYLINDER BLOCK AND COVERS GROUP
7L-2971 CYLINDER BLOCK AND COVERS GROUP
CYLINDER BLOCK AND COVERS GROUP
7L-2971 CYLINDER BLOCK AND COVERS GROUP

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.