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5N8320 HEAD GP-CYLINDER S/N 69B2088-2146 Inclusive Part Of 3N2680 Cylinder Head Valve Mechanism Gp Page 25D D379A


BASIC ENGINE
CYLINDER HEAD GP
CYLINDER BLOCK GP

MARINE ENGINE D379A MARINE ENGINE 69B
 D379B MARINE ENGINE 69B01227-UP UEG0647S D379A 69B   (1961)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD GP
5N-8320 CYLINDER HEAD GP
CYLINDER HEAD GP
5N-8882 CYLINDER HEAD GP
 

#UEG0647S0070
 

5N-8320: CYLINDER HEAD GP

5N8320 HEAD GP-CYLINDER
S/N 69B2088-2146 Inclusive
Part Of 3N2680 Cylinder Head Valve Mechanism Gp Page 25D
c310401 UEG0647S
5N8320 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1414 [4] SPACER  
2. 7N-7639 [4] ROTATOR-VALVE  
3. 2A-4429 FY [8] LOCK-RETAINER  
4. 2N-9297 [2] RETAINER-VALVE SPRING (EXHAUST)  
5. 9M-5350 [4] SPRING  
6. 9M-5349 [4] SPRING  
7. 5N-8319 C [1] CYLINDER HEAD AS  
8. 2N-9299 [2] GUIDE-VALVE (EXHAUST)  
  2N-9298 [2] GUIDE-VALVE (INTAKE)  
9. 8M-4014 R [2] INSERT-SEAT EXHAUST (EXHAUST)  
  5S-1757 [2] INSERT (INTAKE)  
10. 5H-7071 [8] DIRECTOR-WATER  
11. 3B-0645 [8] PLUG-CUP  
12. 1W-1822 [2] VALVE-EXHAUST (EXHAUST)  
  1W-8606 [2] VALVE-INLET (INTAKE)  
13. 1W-3062 [2] RETAINER AS (INTAKE)  
    (EACH INCLUDES)
  8N-7780 C [1] SHIELD-OIL  
  C   CHANGE FROM PREVIOUS TYPE
  F   NOT SHOWN
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UEG0647S0071
 

5N-8882: CYLINDER HEAD GP

5N8882 HEAD GP-CYLINDER
S/N 69B2147-Up
Part Of 3N2680 Cylinder Head Valve Mechanism Gp Page 25F
c238059 UEG0647S
5N8882 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1414 [4] SPACER  
2. 7N-7639 [4] ROTATOR-VALVE  
3. 2A-4429 [8] LOCK-RETAINER  
4. 2N-9297 [2] RETAINER-VALVE SPRING (EXHAUST)  
5. 9M-5350 [4] SPRING (OUTER)  
6. 9M-5349 [4] SPRING (INNER)  
7. 5N-8319 R [1] CYLINDER HEAD AS  
8. 2N-9299 [2] GUIDE-VALVE (EXHAUST)  
  2N-9298 [2] GUIDE-VALVE (INTAKE)  
9. 8M-4014 [2] INSERT-SEAT EXHAUST  
  5S-1757 [2] INSERT (INTAKE)  
10. 5H-7071 [8] DIRECTOR-WATER  
11. 3B-0645 [8] PLUG-CUP  
12. 1W-1822 [2] VALVE-EXHAUST  
  1W-8606 [2] VALVE-INLET (INTAKE)  
13. 1W-3062 [2] RETAINER AS (INTAKE)  
    (EACH INCLUDES)
  8N-7780 [1] SHIELD-OIL  
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0647S0072
 

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Side View - Part 1 of 2
Serial No. 69B1227 to 69B1261 inclusive
See Page 29 for Gasket Kit
c115122 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-0645 [2] PLUG (CORE)  
  5L-2894 [5] BEARING  
    (PART OF BLOCK ASSEM.6L2534)
  9S-1366 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4L-7562 [2] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 [8] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  9M-7269 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-2609 [1] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6795 [1] PIN  
  0L-2061 [2] DOWEL (.875" LONG)  
  2B-2994 [2] DOWEL (1.50" LONG)  
    (PARTS OF BLOCK ASSEM.6L2534)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  8S-9092 [6] BOLT  
  2N-7224 [2] CAP ASSEM.  
    (Part of 6L2534 Assem.)
  1A-9759 [8] DOWEL  
  1F-4418 [1] COVER  
  1F-9223 [1] GASKET  
  2N-5120 [10] STUD  
  3S-1356 [10] NUT  
    (Parts of 6L2534 Assem.)
  2A-3348 [1] DOWEL  
  1A-2223 [16] DOWEL (1" LONG)  
  1A-2036 [4] DOWEL (.50" LONG)  
    (PARTS OF BLOCK ASSEM.6L2534)
  2N-7194 [3] CAP  
    (Part of 6L2534 Assem.)
  4L-6788 [64] STUD  
  5H-4279 [4] PLUG  
  1H-8645 [2] SCREW  
  2A-3278 [2] GASKET  
    (PARTS OF 6L2534 ASSEM)
  4L-7586 [1] GASKET  
  3F-6808 [2] DOWEL  
    (PART OF BLOCK ASSEM.6L2534)
  6L-2534 [1] BLOCK ASSEM  
  4L-3395 [2] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6808 [2] DOWEL  
  4F-2609 [1] PIN (.437" LONG)  
  3F-6795 [1] PIN  
    (PARTS OF BLOCK ASSEM.6L2534)
 

#UEG0647S0073
 

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Front View - Part 2 of 2
Serial No. 69B1227 to 69B1261 inclusive
Note: 2S2405 Piston and Liner Group, consisting of:
1--Piston Assembly, 1--Liner and 3--Seal, is available
c115123 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1A-1135 [4] BOLT  
  2A-4462 [2] LOCKWASHER  
  8L-4857 [4] COVER  
  1F-4419 [4] GASKET  
  0S-1594 [1] BOLT  
    (1"LONG)
  0S-0509 [44] BOLT  
    (.75"LONG)
  3B-4506 [45] LOCKWASHER  
  6L-7815 [24] SEAL  
  1S-2587 [8] LINER  
  1A-9759 [8] DOWEL  
  0S-1594 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  2N-4518 [1] PLATE ASSEM.  
  2N-4516 [1] ADAPTER  
    (PART OF 2N4518 ASSEM.)
  7F-5174 [1] FLANGE  
  1F-3131 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [3] COVER  
  1F-9223 [3] GASKET  
  5F-0304 [1] PLUG  
  5B-8932 [1] GASKET  
  0S-0509 [64] BOLT  
  3B-4506 [64] LOCKWASHER  
  6L-2787 [1] HOUSING  
    (FLYWHEEL)
 

#UEG0647S0074
 

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Side View - Part 1 of 2
Serial No. 69B1262 to 69B1432 inclusive
See Page 29 for Gasket Kits
c141358 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-2894 [5] BEARING  
    (Part of 6L2534 & 2N3548 Assems.)
  9S-1366 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4L-7562 [2] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 [8] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  9M-7269 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-2609 [1] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6795 [1] PIN  
  0L-2061 [2] DOWEL (.875"LONG)  
  2B-2994 [2] DOWEL (1.50"LONG)  
    (Parts of 6L2534 & 2N3548 Assems.)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  8S-9092 [6] BOLT  
  2N-7224 [2] CAP ASSEM.  
    (Part of 6L2534 & 2N3548 Assem.)
  1A-9759 [8] DOWEL  
  1F-4418 [1] COVER  
  1F-9223 [1] GASKET  
  2N-5120 [10] STUD  
  3S-1356 [10] NUT  
    (Parts of 6L2534 & 2N3548 Assem.)
  2A-3348 [1] DOWEL  
  1A-2223 [16] DOWEL (1"LONG)  
  1A-2036 [4] DOWEL (.50"LONG)  
    (Parts of 6L2534 & 2N3548 Assem.)
  2N-7194 [3] CAP  
    (Part of 6L2534 & 2N3548 Assem.)
  6L-2534 [1] BLOCK ASSEM.  
    (For Use With Compression Release)
    -OR-
  2N-3548 C [1] BLOCK ASSEM.  
    (For Use Without Compression Release)
  4L-6788 [64] STUD  
  5H-4279 [4] PLUG  
  1H-8645 [2] SCREW  
  2A-3278 [2] GASKET  
    (Parts of 6L2534 & 2N3548 Assem.)
  4L-7586 [1] GASKET  
  5M-6213 C [2] PLUG  
    (Part of 6L2534 & 2N3548 Assem.)
  4L-3395 [2] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6808 [2] DOWEL  
  4F-2609 [1] PIN (.437"LONG)  
  3F-6795 [1] PIN  
    (Parts of 6L2534 & 2N3548 Assem.)
  C   INDICATES CHANGE
 

#UEG0647S0075
 

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Front View - Part 2 of 2
Serial No. 69B1262 to 69B1432 inclusive
Note: 2S2405 Piston and Liner Group, consisting of: 1--Piston Assembly, 1--Liner and 3--Seal, is available
c141359 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-1135 [4] BOLT  
  2A-4462 [2] LOCK  
  8L-4857 [4] COVER  
  1F-4419 [4] GASKET  
  0S-1594 [1] BOLT  
    (1"LONG)
  0S-0509 [44] BOLT  
    (.75"LONG)
  3B-4506 [45] LOCKWASHER  
  6L-7815 [24] SEAL  
  1S-2587 [8] LINER  
  1A-9759 [8] DOWEL  
  2N-4518 [1] PLATE ASSEM.  
  2N-4516 [1] ADAPTER  
    (PART OF 2N4518 ASSEM.)
  7F-5174 [1] FLANGE  
  1F-3131 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [3] COVER  
  1F-9223 [3] GASKET  
  5F-0304 [1] PLUG  
  5B-8932 [1] GASKET  
  0S-0509 [64] BOLT  
  3B-4506 [64] LOCKWASHER  
  6L-2787 [1] HOUSING  
    (FLYWHEEL)
 

#UEG0647S0076
 

3N-2677: CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Side View - Part 1 of 2
Serial No. 69B1433 to 69B1897 inclusive. See Page 29 for Gasket Kits
c147216 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-6788 [64] STUD  
  5L-2894 [5] BEARING  
    (Parts of 3N6988 & 3N6990 Assem.)
  9S-1366 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4L-7562 [2] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 [8] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  9M-7269 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-2609 [1] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6795 [1] PIN  
  0L-2061 [2] DOWEL (.875"LONG)  
  2B-2994 [2] DOWEL (1.50"LONG)  
    (Parts of 3N6988 & 3N6990 Assem.)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  8S-9092 [6] BOLT  
  2N-7193 [2] CAP  
  1A-9759 [8] DOWEL  
    (Parts of 3N6988 & 3N6990 Assem.)
  1F-4418 [1] COVER  
  1F-9223 [1] GASKET  
  2N-5120 [10] STUD  
  3S-1356 [10] NUT  
    (Parts of 3N6998 & 3N6990 Assem.)
  2A-3348 [1] DOWEL  
  1A-2223 [16] DOWEL (1"LONG)  
  1A-2036 [4] DOWEL (.50"LONG)  
    (Parts of 3N6988 & 3N6990 Assem.)
  2N-7194 [3] CAP  
    (Part of 3N6988 & 3N6990 Assem.)
  3N-6988 C [1] BLOCK ASSEM.  
    (For Use With Compression Release)
    -OR-
  3N-6990 C [1] BLOCK ASSEM.  
    (For Use Without Compression Release)
  5H-4279 [4] PLUG  
  1H-8645 [2] SCREW  
  2A-3278 [2] GASKET  
    (PARTS OF 3N6988 ASSEM.)
  4L-7586 [1] GASKET  
  5M-6213 [2] PLUG  
    (Part of 3N6988 & 3N6990 Assem.)
  4L-3395 [2] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6808 [2] DOWEL  
  4F-2609 [1] PIN (437" LONG)  
  3F-6795 [1] PIN  
    (Parts of 3N6988 & 3N6990 Assem.)
  C   INDICATES CHANGE
 

#UEG0647S0077
 

3N-2677: CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Front View--Part 2 of 2
Serial No. 69B1433 to 69B1897 inclusive
Note: 2S2405 Piston and Liner Group, consisting of: 1--Piston Assembly, 1--Liner and 3--Seal, is available
c147217 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-1135 [4] BOLT  
  2A-4462 [2] LOCK  
  8L-4857 [4] COVER  
  1F-4419 [4] GASKET  
  0S-1594 [1] BOLT (1"LONG)  
  0S-0509 [44] BOLT (.75"LONG)  
  3B-4506 [45] LOCKWASHER  
  6L-7815 [24] SEAL  
  1S-2587 [8] LINER  
  1A-9759 [8] DOWEL  
  2N-4518 [1] PLATE ASSEM.  
  2N-4516 [1] ADAPTER  
    (PART OF 2N4518 ASSEM.)
  8F-8145 C [1] FLANGE  
  1F-3131 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [3] COVER  
  1F-9223 [3] GASKET  
  5F-0304 [1] PLUG  
  5B-8932 [1] GASKET  
  0S-0509 [64] BOLT  
  3B-4506 [64] LOCKWASHER  
  6L-2787 [1] HOUSING  
    (FLYWHEEL)
  C   INDICATES CHANGE
 

#UEG0647S0078
 

3N-2677: CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Side View--Part 1 of 2
Serial No. 69B1898 to 69B2144 inclusive
See Page 29 for Gasket Kits
c229878 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-6788 [64] STUD  
  5L-2894 [5] BEARING  
    (Parts of 3N6988 & 3N6990 Assem.)
  9S-1366 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  5N-3275 C [1] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 C [4] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  9M-7269 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-2609 [1] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  3F-6795 [1] PIN  
  0L-2061 [2] DOWEL (875" LONG)  
  2B-2994 [2] DOWEL (150" LONG)  
    (Parts of 3N6988 & 3N6990 Assem.)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  8S-9092 [6] BOLT  
  2N-7193 [2] CAP  
  1A-9759 [8] DOWEL  
    (Parts of 3N6988 & 3N6990 Assem.)
  1F-4418 [1] COVER  
  1F-9223 [1] GASKET  
  2A-3348 [1] DOWEL  
  1A-2223 [16] DOWEL (1" LONG)  
  6B-6863 C [4] DOWEL (50" LONG)  
    (Parts of 3N6988 & 3N6990 Assem.)
  2N-5120 [10] STUD  
  3S-1356 [10] NUT  
    (Parts of 3N6988 & 3N6990 Assem.)
  2N-7194 [3] CAP  
    (Part of 3N6988 & 3N6990 Assem.)
  3N-6988 [1] BLOCK ASSEM.  
    (For Use With Compression Release)
    -OR-
  3N-6990 [1] BLOCK ASSEM.  
    (For Use Without Compression Release)
  5H-4279 [4] PLUG  
  1H-8645 [2] SCREW  
  2A-3278 [2] GASKET  
    (PARTS OF 3N6988 ASSEM.)
  4L-7586 [1] GASKET  
  5M-6213 [2] PLUG  
    (Part of 3N6988 & 3N6990 Assem.)
  4L-3395 [2] DOWEL  
  7L-2593 [1] SHAFT ASSEM.  
  7F-9504 C [2] DOWEL  
  4F-2609 [1] PIN (437" LONG)  
  3F-6795 [1] PIN  
    (Parts of 3N6988 & 3N6990 Assem.)
  C   INDICATES CHANGE
 

#UEG0647S0079
 

3N-2677: CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Front View--Part 2 of 2
Serial No. 69B1898 to 69B2144 inclusive
c229879 UEG0647S
3N2677 CYLINDER BLOCK & COVERS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-1135 [4] BOLT  
  2A-4462 [2] LOCK  
  8N-4708 C [8] BAND  
  8L-4857 [4] COVER  
  1F-4419 [4] GASKET  
  0S-0509 C [42] BOLT 19.05 mm(.75 in.) long  
  3B-4506 C [42] LOCKWASHER  
  6L-7815 [24] SEAL  
  8N-9174 C [8] LINER  
  1A-9759 [8] DOWEL  
  2N-4518 [1] PLATE ASSEM.  
  2N-4516 [1] ADAPTER  
    (PART OF 2N4518 ASSEM.)
  8F-8145 C [1] FLANGE  
  1F-3131 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [3] COVER  
  1F-9223 [3] GASKET  
  5F-0304 [1] PLUG  
  5B-8932 [1] GASKET  
  0S-0509 C [60] BOLT  
  3B-4506 C [60] LOCKWASHER  
  6L-2787 [1] HOUSING (FLYWHEEL)  
  C   INDICATES CHANGE
 

Information:

Engine News
New Exhaust Valve And Valve Guide
1979/03/07
New Exhaust Valve Has Improved Three-Piece Construction
1979/04/25
Too Much Clearance For Exhaust Valves Can Cause Wear To The Camshaft Lobes And Valve Lifters
1980/01/09
New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear
1981/04/01
Bolts Now Used Instead Of Studs To Hold Cylinder Heads
1982/05/12
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 Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters)
1989/12/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
Reworking Diesel And Gas Cylinder Heads On 6.25 Bore V Engines {1101}
1994/09/01
Exhaust Valve Guides With A Counterbore Are Now Available
1977/01/28
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25
Tolerance Added To Valve Clearance Specifications
1978/01/18
Use Again Specifications For Valve Springs Are Changed
1978/03/01
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
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}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Australia
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-CFEL
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-CSARL
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Americas
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Truck/Ag/Marine
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
Specifications
Cylinder Head
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valves
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
Service Letter-China
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Asia
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
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 Letter-APD
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Disassembly and Assembly
Precombustion Chambers
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Cylinder Heads
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valves
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valve Guides
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valve Seat Inserts
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Water Directors
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear{1104,1105,1101,1103,1108,1109}
1981/03/16
New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear{1104,1105,1101,1103,1108,1109}
1981/06/29
Bolts Now Used Instead Of Studs To Hold Cylinder Heads{1101,1201}
1982/05/10
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
Exhaust Valve Guides With A Counterbore Are Now Available{1104}
1977/01/24
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
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
New Exhaust Valve And Valve Guide{1104,1105}
1979/02/19
New Exhaust Valve Has Improved Three-Piece Construction{1105}
1979/04/09
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
Too Much Clearance For Exhaust Valves Can Cause Wear To The Camshaft Lobes And Valve Lifters{1105,1210,1209}
1979/12/24
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08

Caterpillar Parts SIS Catalog D379A :

CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
3N-2680 CYLINDER HEAD & VALVE GP
CYLINDER HEAD GP
5N-8882 CYLINDER HEAD GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP
CYLINDER BLOCK & COVERS GP
3N-2677 CYLINDER BLOCK & COVERS GP

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