AVSPARE.COM
parts catalog
  1. Home
  2. Caterpillar catalog

TURBOCHARGERS (7L4358 N/S)--Rear View Serial No. 49C1 to 49C122 inclusive. 7S1779 Turbocharger & 7S7810 Regulators parts are shown on Pages 14 & 15 Refer also to Pages 94 through 97 for special parts G399


AIR INLET AND EXHAUST SYSTEM
TURBOCHARGER GP
LUBRICATION SYSTEM
BREATHER GP
AIR INLET AND EXHAUST SYSTEM
EXHAUST GP
LUBRICATION SYSTEM
BREATHER GP
FUEL SYSTEM
REGULATOR GP-GAS PRESSURE

GAS ENGINE G399 GAS ENGINE 49C
 G399 ENGINE 49C00001-00260 UEG0038S G399 49C   (1968)

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP
TURBOCHARGER GP
7L-4358 TURBOCHARGER GP
TURBOCHARGER GP
7L-4358 TURBOCHARGER GP
TURBOCHARGER ASSEMBLY
7S-1779 TURBOCHARGER ASSEMBLY
TURBOCHARGER GROUP
1P-6085 TURBOCHARGER GROUP
 

#UEG0038S0010
 

7L-4358: TURBOCHARGER GP

TURBOCHARGERS (7L4358 N/S)--Rear View
Serial No. 49C1 to 49C122 inclusive. 7S1779 Turbocharger & 7S7810 Regulators parts are shown on Pages 14 & 15
Refer also to Pages 94 through 97 for special parts
c131748 UEG0038S
7L4358 TURBOCHARGER GP Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-8536 [2] CLAMP  
2. 7L-7728 [2] HOSE  
3. 8H-5816 [2] CLAMP  
4. 1L-1118 [4] FITTING  
  8F-8998 [4] NUT  
    (1 in each 1L1118 Fitting)
5. 5M-5689 [2] CLAMP  
  8F-2396 [2] GROMMET  
6. 4B-3388 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
7. 6L-9524 [1] TUBE  
8. 1F-1480 [2] FITTING  
  8F-8997 [2] NUT  
    (1 in each 1F1480 Fitting)
9. 5L-4172 [1] PIPE  
10. 7S-7810 Y [2] REGULATOR ASSEM.  
    (See Separate Illustration)
  4S-7914 [2] GASKET  
11. 8M-2665 [2] BREATHER ASSEM.  
12. 7S-1779 Y [2] TURBOCHARGER ASSEM.  
    (See Separate Illustration)
13. 6F-7012 [8] STUD  
  1B-5355 [8] NUT  
14. 3B-8999 [2] FITTING  
  8F-8997 [2] NUT  
    (1 in each 3B8999 Fitting)
15. 8L-5975 [1] TUBE  
16. 7M-7273 [2] GASKET  
17. 8M-2295 [8] BOLT  
  8M-2296 [8] NUT  
18. 6L-9523 [1] TUBE  
19. 9B-0887 [2] PLUG  
20. 0S-1587 [4] BOLT  
  1B-5357 [4] NUT  
21. 5L-8854 [2] RING  
22. 6L-8968 [2] COUPLING  
23. 5L-8855 [2] RING  
24. 6L-2810 [1] TUBE  
  Y   SEPARATE ILLUSTRATION
 

#UEG0038S0011
 

7L-4358: TURBOCHARGER GP

TURBOCHARGERS (7L4358 N/S)--Rear View
Effective with Serial No. 49C123. 1P6085 Turbocharger & 7S7810 Regulator parts are shown on Pages 14A & 15
Refer also to Pages 94 through 97 for special parts
c131361 UEG0038S
7L4358 TURBOCHARGER GP Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-8536 [2] CLAMP  
2. 7L-7728 [2] HOSE  
3. 8H-5816 [2] CLAMP  
4. 1L-1118 [4] FITTING  
  8F-8998 [4] NUT  
    (1 in each 1L1118 Fitting)
5. 5M-5689 [2] CLAMP  
  8F-2396 [2] GROMMET  
6. 4B-3388 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
7. 6L-9524 [1] TUBE  
8. 1F-1480 [2] FITTING  
  8F-8997 [2] NUT  
    (1 in each 1F1480 Fitting)
9. 5L-4172 [1] PIPE  
10. 7S-7810 Y [2] REGULATOR ASSEM.  
    (See Separate Illustration)
  4S-7914 [2] GASKET  
11. 8M-2665 [2] BREATHER ASSEM.  
12. 1P-6085 Y [2] TURBOCHARGER GROUP  
    (See Separate Illustration)
13. 6F-7012 [8] STUD  
  1B-5355 [8] NUT  
14. 3B-8999 [2] FITTING  
  8F-8997 [2] NUT  
    (1 in each 3B8999 Fitting)
15. 8L-5975 [1] TUBE  
16. 7M-7273 [2] GASKET  
17. 8M-2295 [8] BOLT  
  8M-2296 [8] NUT  
18. 6L-9523 [1] TUBE  
19. 9B-0887 [2] PLUG  
20. 0S-1587 [4] BOLT  
  1B-5357 [4] NUT  
21. 5L-8854 [2] RING  
22. 6L-8968 [2] COUPLING  
23. 5L-8855 [2] RING  
24. 6L-2810 [1] TUBE  
  Y   SEPARATE ILLUSTRATION
 

#UEG0038S0012
 

7S-1779: TURBOCHARGER ASSEMBLY

7S1779 TURBOCHARGER ASSEMBLY--2 Required
Part of Turbochargers shown on Page 12A
c131360 UEG0038S
7S1779 TURBOCHARGER ASSEMBLY Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-9520 H [1] HOUSING (Turbine)  
2. 7M-9917 H [1] CLAMP  
3. 7M-9918 H [2] NUT  
  3S-5854 [1] BEARING GROUP  
4. [1] BEARING (Grooved)  
5. [1] BEARING (Plain)  
6. 7M-9907 [2] RING  
7. 8H-3710 H [2] SCREW  
  8H-3710 [1] SCREW  
8. 7M-9920 H [1] PLATE (Name)  
  2S-1507 [1] PLATE (Name-Cartridge)  
9. 7M-9916 H [1] CLAMP  
10. 2S-1306 [1] BEARING  
11. 3S-1427 [1] SEAL  
12. 2S-1307 [1] RING  
13. 7M-9910 [3] BOLT  
  7M-9919 [3] PLATE (Lock)  
14. 7S-3205 H [1] COVER (Compressor)  
15. 2S-1308 [1] DEFLECTOR  
16. 4M-8012 [1] NUT  
17. 2S-1302 [1] WHEEL  
18. 8M-7167 [1] SHIM (.003" Thick)  
  8M-7168 [1] SHIM (.005" Thick)  
  8M-7169 [1] SHIM (.010" Thick)  
19. 2S-1305 [1] INSERT  
20. 7M-9908 [1] SLEEVE  
21. 7M-9923 [1] SPACER  
22. 2S-1310 [1] SPACER  
23. 7M-7611 [3] RING  
24. 1S-5372 R [1] HOUSING  
25. 9M-9545 [1] SEAL  
26. 8M-7853 H [1] NOZZLE  
27. 9M-0491 R [1] WHEEL AND SHAFT ASSEM.  
28. 4S-9248 [2] RING  
29. 4M-6990 [1] RING  
30. 1S-3887 [1] SPACER  
31. 1S-2098 [1] PLATE  
  8S-6008 [1] CARTRIDGE ASSEM.  
    (Consists of all Parts Except Those Marked h)
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0038S0013
 

1P-6085: TURBOCHARGER GROUP

1P6085 TURBOCHARGER GROUP
Part of Turbochargers shown on Page 13
c131362 UEG0038S
1P6085 TURBOCHARGER GROUP Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-9520 H [1] HOUSING (Turbine)  
2. 7M-9917 H [1] CLAMP  
3. 7M-9918 H [2] NUT  
  1P-5467 [1] BEARING GROUP  
4. [2] BEARING (Grooved)  
5. 4M-8013 [2] RING  
6. 7M-9907 [2] RING  
7. 8H-3710 H [2] SCREW  
  8H-3710 [1] SCREW  
8. 7M-9920 H [1] PLATE (Name)  
  2S-1507 [1] PLATE (Name-Cartridge)  
9. 7M-9916 H [1] CLAMP  
10. 2S-1306 [1] BEARING  
11. 3S-1427 [1] SEAL  
12. 2S-1307 [1] RING  
13. 7M-9910 [3] BOLT  
  7M-9919 [3] PLATE (Lock)  
14. 7S-3205 H [1] COVER (Compressor)  
15. 2S-1308 [1] DEFLECTOR  
16. 4M-8012 [1] NUT  
17. 2S-1302 [1] WHEEL  
18. 8M-7167 [1] SHIM (.003" Thick)  
  8M-7168 [1] SHIM (.005" Thick)  
  8M-7169 [1] SHIM (.010" Thick)  
19. 2S-1305 [1] INSERT  
20. 7M-9908 [1] SLEEVE  
21. 7M-9923 [1] SPACER  
22. 2S-1310 [1] SPACER  
23. 7M-7611 [3] RING  
24. 1S-5372 R [1] HOUSING  
25. 9M-9545 [1] SEAL  
26. 8M-7853 H [1] NOZZLE  
27. 9M-0491 R [1] WHEEL AND SHAFT ASSEM.  
28. 4S-9248 [2] RING  
29. 4M-6990 [1] RING  
30. 1S-3887 [1] SLEEVE  
31. 1S-2098 [1] PLATE  
  1P-6072 R [1] CARTRIDGE ASSEM.  
    (Consists of all Parts Except Those Marked h)
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0038S0014
 

7L-4347: BREATHER

BREATHER (7L4347 N/S)
Serial No. 49C1 to 49C94 inclusive
c126732 UEG0038S
7L4347 BREATHER Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] GASKET  
2. [5] BOLT  
3. [53] LOCKWASHER  
4. [12] BOLT  
5. [2] BREATHER ASSEM.  
6. [2] HOSE  
7. [1] TEE  
8. [2] GASKET  
9. [1] HOSE  
10. [6] CLAMP  
11. [1] TUBE  
12. [1] CLIP  
13. [1] COVER ASSEM.  
14. [1] PLUG  
15. [1] GASKET  
16. [36] BOLT  
17. [1] GASKET  
18. [3] NUT  
19. [1] COVER ASSEM.  
 

#UEG0038S0015
 

7L-4347: BREATHER

BREATHER (7L4347 N/S)
Serial No. 49C95 to 49C109 inclusive
c126733 UEG0038S
7L4347 BREATHER Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] GASKET  
2. [5] BOLT  
3. [53] LOCKWASHER  
4. [12] BOLT  
5. [2] BREATHER ASSEM.  
6. [2] HOSE  
7. [1] TEE  
8. [2] GASKET  
9. [1] HOSE  
10. [6] CLAMP  
11. [1] TUBE  
12. [1] CLIP  
13. [1] COVER ASSEM.  
14. [1] PLUG  
15. [1] GASKET  
16. [36] BOLT  
17. [1] GASKET  
18. [3] NUT  
19. [1] COVER ASSEM.  
20. [2] PLATE  
 

#UEG0038S0016
 

7S-7810: REGULATOR AS

7S7810 REGULATOR ASSEMBLY
Part of Turbochargers shown on Pages 12A and 13
c155803 UEG0038S
7S7810 REGULATOR AS Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3S-6228 [1] DIAPHRAGM  
  2S-4657 [1] TAG (INSTRUCTION)  
  2S-4661 [2] BOLT  
  1L-4789 [2] LOCKWASHER  
  7S-7812 [1] BASE ASSEM.  
  4B-4277 [1] WASHER  
  7S-7811 [1] VALVE  
  7S-7815 [1] RETAINER  
  7S-7814 [1] PLATE  
  2S-4651 [1] SHIELD  
  7B-2742 [3] BOLT  
  1L-4789 [3] LOCKWASHER  
  3S-5849 [2] GASKET  
  1S-9039 [2] SPACER  
  2S-4655 [1] SPRING  
  2S-4656 [2] SHIM  
  2S-4658 [1] COVER  
  7S-7816 C [1] NUT  
  C   INDICATES CHANGE
 

#UEG0038S0017
 

7L-4347: BREATHER GROUP

7L4347 BREATHER GROUP
Serial No. 49C110 to 49C240 inclusive
c129443 UEG0038S
7L4347 BREATHER GROUP Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] GASKET  
2. [5] BOLT  
3. [53] LOCKWASHER  
4. [12] BOLT  
5. [2] BREATHER ASSEM.  
6. [2] HOSE  
7. [1] TEE  
8. [2] GASKET  
9. [3] NUT  
10. C [4] CLAMP  
11. [1] COVER ASSEM.  
12. [2] PLATE  
13. [1] COVER ASSEM.  
14. [1] PLUG  
15. [1] GASKET  
16. [36] BOLT  
17. [1] GASKET  
  C   INDICATES CHANGE FROM PREVIOUS
 

#UEG0038S0018
 

7L-4347: BREATHER

BREATHER (7L4347 N/S)
Serial No. 49C241-Up
c138482 UEG0038S
7L4347 BREATHER Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4L-7631 [1] GASKET  
2. 0S-1590 [5] BOLT  
3. 3B-4506 [53] LOCKWASHER  
4. 0S-0509 C [12] BOLT  
5. 4L-8165 [2] BREATHER ASSEM.  
6. 6B-4652 [2] HOSE  
7. 7L-6329 [1] TEE  
8. 4L-8176 [2] GASKET  
9. 1D-4717 [3] NUT  
10. 9M-0164 [4] CLAMP  
11. 7L-4486 [1] COVER ASSEM.  
12. 4L-8175 [1] GASKET  
13. 1N-9194 [1] COVER ASSEM.  
14. 5M-6213 [1] PLUG  
15. 7L-4487 [1] GASKET  
16. 1A-2029 [36] BOLT  
  C   INDICATES CHANGE
 

#UEG0038S0019
 

GAS PRESSURE REGULATOR

GAS PRESSURE REGULATOR
Serial No. 49C1 to 49C45 inclusive
6L4104 Regulator Assembly parts are shown on Page 24
c104739 UEG0038S
None GAS PRESSURE REGULATOR Parts scheme
  For full view, you need register

Parts for your G399 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-4857 [4] FITTING  
  4H-2497 [4] NUT  
  4H-2496 [4] SLEEVE  
    (1 each in 1H4857 Fitting)
2. 4S-8457 H TUBE 41.73"  
3. 5B-7666 [2] ELBOW  
4. 7L-4130 [2] NIPPLE  
5. 6L-7028 [2] COUPLING  
6. 7L-4132 [1] PIPE  
7. 3B-7724 [2] BUSHING  
8. 5L-6600 [1] SUPPORT (Left Hand)  
9. 0S-2185 [4] SPACER  
10. 0S-1591 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
11. 2H-3708 [8] BOLT  
  3B-4505 [8] LOCKWASHER  
12. 6L-4104 Y [2] REGULATOR ASSEM.  
    (See Separate Illustration)
13. 4L-8651 [1] GASKET  
14. 5L-8304 [1] SUPPORT (Right Hand)  
15. 7L-4131 [1] PIPE  
16. 4S-8457 H TUBE 48.38"  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Turbocharger Bearings Are Now Available In More Different Sizes For Better Turbocharger Reconditioning
1979/08/22
Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect
1986/02/01
Stop Engine If There Is A Turbocharger Bearing Failure
1987/04/01
Be Sure To Correctly Tighten Turbocharger Clamp Assemblies
1987/09/01
Improved Turbocharger Bearing Kit Available For Parts Service
1990/07/01
"Off-Size" Bearing Kits Available
1991/10/01
Compressor Nut Torque For Schwitzer Turbochargers
1993/07/01
Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels
1977/03/15
Oil Strainer (Screen) Added To Turbocharger Thrust Bearing
1978/02/08
Silicone Grease Now Used In Seal Ring Groove In Turbochargers
1978/05/24
Improved Seal Rings For Turbine End Of Turbochargers
1978/07/05
Salvage Of Turbocharger Compressor Housing During Reconditioning
1978/10/18
Two Strainers are Available to Protect the Bearings in Turbochargers {1052}
2003/01/01
A Revised Special Instruction Provides Information on Service Replacement of the Turbocharger (for Turbocharged Engines Only) {1052}
2003/03/01
Policy for Reusing the Turbocharger Turbine Housing {1052, 1065, 7754}
2003/07/01
Prevent the Possibility of Contamination in order to Ensure Longer Life of Turbochargers {1052}
2003/12/01
Magnetic Cover for the Turbocharger Oil Supply Line {1052, 1307}
2006/02/20
Troubleshooting the Wastegate Canister {1052, 1057}
2008/12/22
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {1000, 1052, 1087}
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {1000, 1052, 1087}
Special Instruction
2W726 Turbocharger Cartridge Repair Kit{1053}
2W726 Turbocharger Cartridge Repair Kit{1053}
Instructions for the Service Replacement of the Turbochargers{1052}
Instructions for the Service Replacement of the Turbochargers{1052}
Proper Remanufactured Turbocharger Housing Adjustment and Alignment for Caterpillar Engines {1052, 1053}
Proper Remanufactured Turbocharger Housing Adjustment and Alignment for Caterpillar Engines {1052, 1053}
Specifications
Turbocharger<BR> (Schwitzer 4MD455 And 4MD755)
G379, G398 & G399 ENGINES
Turbocharger Lubrication Valve
G379, G398 & G399 ENGINES
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Turbocharger Lubrication Valve
G379, G398 & G399 ENGINES
Turbocharger Regulator Assembly
G379, G398 & G399 ENGINES
Turbocharger
G379, G398 & G399 ENGINES
Turbocharger (Schwitzer 4MD455)
G379, G398 & G399 ENGINES
Service Magazine
Caterpillar Recommends Against The Use Of Alcohol Mist Injection Systems{1050,1250}
1982/06/28
Use Care When Handling Turbocharger Compressor Wheels{1052,1077}
1985/12/16
Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect{1053}
1986/02/03
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels{0374,1052}
1977/02/28
Stop Engine If There Is A Turbocharger Bearing Failure{1052,1318}
1987/04/06
Be Sure To Correctly Tighten Turbocharger Clamp Assemblies{1052}
1987/09/07
Oil Strainer (Screen) Added To Turbocharger Thrust Bearing{1052,1053}
1978/01/30
Silicone Grease Now Used In Seal Ring Groove In Turbochargers{1052,1053,1077}
1978/05/15
Improved Seal Rings For Turbine End Of Turbochargers{1052}
1978/07/03
Salvage Of Turbocharger Compressor Housing During Reconditioning{1052}
1978/10/09
Use Of 9S3265 Retaining Compound On Schwitzer Turbocharger Compressor Wheel Retainer Nuts{1052,1053}
1979/06/25
Turbocharger Bearings Are Now Available In More Different Sizes For Better Turbocharger Reconditioning{1053}
1979/08/20
Only One Dowel Pin Is Now Used To Hold The Thrust Bearing In The Correct Position{1053,1052}
1979/09/03
6V2055 High Vacuum Grease Gives Better Oil Seal {1052,1053,1077,0682}
1979/09/10
Different Thrust Bearing And Thrust Rings Now Used In Turbochargers{1052,1053}
1979/10/22
Improved Turbocharger Bearing Kit Available For Parts Service{1053}
1990/07/23
Compressor Nut Torque For Schwitzer Turbochargers{1052}
1993/07/26
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {0769, 1052, 1087}
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {0769, 1052, 1087}

Caterpillar Parts SIS Catalog G399 :

AIR CLEANER GP
7L-6549 AIR CLEANER GP
GAUGE GP-AIR CLEANER
2N-3324 GAUGE GP-AIR CLEANER
RAW WATER LINES GROUP
7L-4371 RAW WATER LINES GROUP
AIR CLEANER INDICATOR GROUP
7L-3224 AIR CLEANER INDICATOR GROUP
FRESH WATER LINES
FRESH WATER LINES
WATER LINES
6L-9902 WATER LINES
PUMP GP-FRESH WATER
2N-0955 PUMP GP-FRESH WATER
RAW WATER PUMP GROUP
6L-4754 RAW WATER PUMP GROUP
TURBOCHARGER GP
7L-4358 TURBOCHARGER GP
TURBOCHARGER ASSEMBLY
7S-1779 TURBOCHARGER ASSEMBLY
TURBOCHARGER GROUP
1P-6085 TURBOCHARGER GROUP
BREATHER
7L-4347 BREATHER
BREATHER
7L-4347 BREATHER
REGULATOR AS
7S-7810 REGULATOR AS
BREATHER GROUP
7L-4347 BREATHER GROUP
BREATHER
7L-4347 BREATHER

Truck sale:

Back to top
Contacts Request list Affiliate disclosure
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.