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8N-4745 COVER GP-VALVE MECHANISM S/N 08Z74662-76438 PART OF 4P-2701 ENGINE AR 350-A EXCAVATOR


BASIC ENGINE
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP

EXCAVATOR 350-A EXCAVATOR 2ZL
 350 & 350 L Excavators 2ZL00001-UP (MACHINE) POWERED BY 3306 Engine SEBP2250 350-A 2ZL   (1992)

BASIC ENGINE

VALVE MECHANISM GP
COVER GP-VALVE MECHANISM
6I-4560 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
8N-4745 COVER GP-VALVE MECHANISM
VALVE MECHANISM GP
7C-7013 VALVE MECHANISM GP
VALVE MECHANISM GP
7N-8026 VALVE MECHANISM GP
 

#SEBP22500020
 

8N-4745: COVER GP-VALVE MECHANISM

8N-4745 COVER GP-VALVE MECHANISM
S/N 08Z74662-76438
PART OF 4P-2701 ENGINE AR
i00122470 SEBP2250
8N4745 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-1086 [1] COVER AS-CYLINDER HEAD  
2. 0S-1617 [15] BOLT (5/16-18X0.75-IN)  
3. 9M-1974 [15] WASHER-HARD (8.8X16X2-MM THK)  
4. 133-1247 [1] SEAL-VALVE COVER  
 

#SEBP22500021
 

334-8389: CRANKSHAFT AS

334-8389 CRANKSHAFT AS
S/N 08Z70000-89468
PART OF 6N-8079 CRANKSHAFT GP
i03879106 SEBP2250
3348389 CRANKSHAFT AS Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-4405 [1] GEAR-CRANKSHAFT (40-TEETH)  
2. 5H-2671 [1] KEY-WOODRUFF  
3. 8T-6757 [6] PLUG-PIPE  
 

#SEBP22500022
 

4P-9856: CRANKSHAFT GP

4P-9856 CRANKSHAFT GP
S/N 6NC1-UP; 08Z89469-99999
PART OF 118-9729 ENGINE AR
i00122113 SEBP2250
4P9856 CRANKSHAFT GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 100-3652 J [2] PLATE-THRUST  
2. 344-2603 [1] CRANKSHAFT AS  
2A. 4P-7827 [1] GEAR-CRANKSHAFT (33-TEETH)  
2B. 5H-2671 [1] KEY-WOODRUFF  
2C. 8T-6757 [6] PLUG-PIPE  
3. 232-3233 J [7] BEARING-MAIN (STANDARD)  
  8N-8225 AB BEARING-MAIN (0.25-MM US)  
  8N-8226 AB BEARING-MAIN (0.51-MM US)  
  8N-8227 AB BEARING-MAIN (0.76-MM US)  
  8N-8228 AB BEARING-MAIN (0.51-MM OS)  
  8N-8229 AB BEARING-MAIN (0.25-MM US, 0.51-MM OS)  
  4P-7305 AB BEARING-MAIN (0.51-MM OS, 0.51-MM US)  
  4P-7306 AB BEARING-MAIN (0.51-MM OS, 0.76-MM US)  
   
    AVAILABLE REPLACEMENT PART(S):
  196-9534 AJ KIT-BASIC ENGINE REPAIR (MAIN BEARING)  
    (INCLUDES STANDARD BEARINGS & THRUST PLATES)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  J   KIT MARKED J SERVICES PART(S) MARKED J
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP22500023
 

6N-8079: CRANKSHAFT GP

6N-8079 CRANKSHAFT GP
S/N 08Z70000-89468
PART OF 4P-2701 ENGINE AR
i00145431 SEBP2250
6N8079 CRANKSHAFT GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 100-3652 [2] PLATE-THRUST  
2. 334-8389 Y [1] CRANKSHAFT AS  
3. 232-3233 C [7] BEARING-MAIN (STANDARD)  
  8N-8225 AB [7] BEARING-MAIN (0.25-MM US)  
  8N-8226 AB [7] BEARING-MAIN (0.51-MM US)  
  8N-8227 AB [7] BEARING-MAIN (0.76-MM US)  
  8N-8228 AB [7] BEARING-MAIN (0.51-MM OS)  
  8N-8229 AB [7] BEARING-MAIN (0.25-MM US, 0.51-MM OS)  
  4P-7305 AB [7] BEARING-MAIN (0.51-MM OS, 0.51-MM US)  
  4P-7306 AB [7] BEARING-MAIN (0.51-MM OS, 0.76-MM US)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500024
 

1N-3576: CYLINDER BLOCK GP

1N-3576 CYLINDER BLOCK GP
S/N 6NC1-UP; 08Z70000-99999
FIELD REPLACEMENT FOR @@@@@ 7N-6550@@@@@
FIELD INSTALLATION
i00121946 SEBP2250
1N3576 CYLINDER BLOCK GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-4046 [4] BUSHING  
2. 3J-6019 [1] PLUG  
3. 8K-1207 [2] DOWEL  
4. 4B-5387 [1] PLUG-CUP  
5. 1S-9540 [1] DOWEL  
6. 5B-7652 [2] DOWEL  
7. 6N-8003 [7] CAP-CRANKSHAFT BEARING  
8. 4B-3938 [1] PLUG-CUP  
9. 8B-6349 [2] DOWEL  
10. 5S-8462 [1] STUD  
11. 8N-4110 [1] BUSHING  
12. 4B-9782 [1] BALL  
13. 7S-3224 [14] BOLT (5/8-11X5.25-IN)  
  2S-5658 [14] WASHER-HARD (17X29X3-MM THK)  
 

#SEBP22500025
 

7N-6550: CYLINDER BLOCK GP

7N-6550 CYLINDER BLOCK GP
S/N 6NC1-UP; 08Z70000-99999
PART OF 8N-5286 CYLINDER BLOCK GP
FIELD REPLACEMENT ORDER @@@@@ 1N-3576@@@@@, 6N-7727 KIT-CYLINDER BLOCK
i00122389 SEBP2250
7N6550 CYLINDER BLOCK GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 456-5581 [18] SEAL-O-RING  
2. 371-5941 [6] LINER-CYLINDER  
  104-5512 ABJ INSERT-LINER SEAT (0.822-MM THK)  
  104-5518 ABJ INSERT-LINER SEAT (1.605-MM THK)  
  104-5527 ABJ INSERT-LINER SEAT (2.71-MM THK)  
  104-5530 ABJ INSERT-LINER SEAT (5.21-MM THK)  
    (REFER TO SEBF8198 FOUND IN SISWEB FOR LINER INSERTS.)
3. 2W-6134 [6] BAND-FILLER  
4. 7S-3224 [14] BOLT (5/8-11X5.25-IN)  
5. 6N-8003 [7] CAP-CRANKSHAFT BEARING  
6. 2S-5658 [14] WASHER-HARD (17X29X3-MM THK)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  J   TO REPAIR LIGHT DAMAGE DUE TO EROSION/FRETTING IN THE LINER FLANGE SEATING AREA
 

#SEBP22500026
 

8N-5286: CYLINDER BLOCK GP

8N-5286 CYLINDER BLOCK GP
S/N 6NC1-UP; 08Z70000-99999
PART OF 118-9729, 4P-2701 ENGINE AR
i00122471 SEBP2250
8N5286 CYLINDER BLOCK GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-6550 Y [1] CYLINDER BLOCK GP  
2. 7M-4046 [4] BUSHING  
3. 8K-1207 [2] DOWEL  
4. 3S-5496 [1] SEAL-O-RING  
5. 8B-6349 [2] DOWEL  
6. 7N-7998 [1] PLATE-BLOCK  
7. 115-7550 [1] GASKET-PLATE  
8. 8T-6764 [1] PLUG-PIPE (1/8-27-THD)  
9. 8T-6763 [1] PLUG-PIPE (1/4-18-THD)  
10. 8T-6765 [4] PLUG-PIPE (1/4-18-THD)  
11. 8M-9307 [1] PLUG (ENGINE OIL)  
12. 8T-6762 [3] PLUG-PIPE (1/2-14-THD)  
13. 5B-7652 [2] DOWEL  
14. 8N-4110 [1] BUSHING  
15. 4B-5387 [1] PLUG-CUP  
16. 4B-9782 [1] BALL  
17. 1S-9540 [1] DOWEL  
18. 5S-8462 [1] STUD  
19. 4B-3938 [1] PLUG-CUP  
20. 6F-7062 [1] WASHER (12.7X19.05X1.83-MM THK)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500027
 

7W-0362: CYLINDER HEAD GP

7W-0362 CYLINDER HEAD GP
S/N 6NC1-UP; 08Z70000-99999
CONTAINS VALVES
FIELD REPLACEMENT FOR @@@@@ 8N-0246@@@@@
i01426897 SEBP2250
7W0362 CYLINDER HEAD GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING-VALVE  
2. 1W-5300 [12] ROTOCOIL AS  
    (EACH INCLUDES)
  6N-7174 [1] SHIELD-OIL  
3. 2A-4429 [24] LOCK-RETAINER  
4. 8N-6796 Y [1] CYLINDER HEAD GP  
5. 100-7860 [6] VALVE-INLET  
6. 148-7455 [6] VALVE-EXHAUST  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500028
 

8N-0246: CYLINDER HEAD GP

8N-0246 CYLINDER HEAD GP
S/N 6NC1-UP; 08Z70000-99999
PART OF 118-9729, 4P-2701 ENGINE AR
OPTIONAL FIELD REPLACEMENT ORDER @@@@@ 8N-6796@@@@@, @@@@@ 7W-0362@@@@@
i00157295 SEBP2250
8N0246 CYLINDER HEAD GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING-VALVE  
2. 1W-5300 [12] ROTOCOIL AS  
    (EACH INCLUDES)
  6N-7174 [1] SHIELD-OIL  
3. 2A-4429 [24] LOCK-RETAINER  
4. 7N-8018 [6] SEAL  
5. 9Y-1798 [18] SEAL  
6. 148-7455 [6] VALVE-EXHAUST  
7. 100-7860 [6] VALVE-INLET  
8. 111-8015 [1] GASKET AS-CYLINDER HEAD  
9. 3B-0623 [6] PLUG-CUP  
10. 3S-8313 [7] PLUG-CUP  
11. 3S-5496 [1] SEAL-O-RING  
12. 8T-6763 [1] PLUG-PIPE (1/4-18-THD)  
13. 107-0268 [6] INSERT-VALVE SEAT (INLET)(STANDARD)  
  AB INSERT-VALVE SEAT (0.13-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.25-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.51-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.76-MM OS, INLET)  
14. 107-0265 [6] INSERT-VALVE SEAT (EXHAUST)(STANDARD)  
  AB INSERT-VALVE SEAT (0.13-MM OS)  
  AB INSERT-VALVE SEAT (0.25-MM OS)  
  AB INSERT-VALVE SEAT (0.51-MM OS)  
  AB INSERT-VALVE SEAT (0.76-MM OS)  
15. 148-7425 [12] GUIDE-VALVE (STANDARD)  
  154-6997 AB GUIDE-VALVE (0.51-MM OS)  
  154-6998 AB GUIDE-VALVE (0.13-MM OS)  
16. 3P-1896 [13] PLUG-CUP  
17. 8T-6762 B [3] PLUG-PIPE (1/2-14-THD)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
 

#SEBP22500029
 

8N-6796: CYLINDER HEAD GP

8N-6796 CYLINDER HEAD GP
S/N 6NC1-UP; 08Z70000-99999
CONTAINS NO VALVES
PART OF 7W-0362 CYLINDER HEAD GP
FIELD REPLACEMENT FOR @@@@@ 8N-0246@@@@@
FIELD INSTALLATION
i00122475 SEBP2250
8N6796 CYLINDER HEAD GP Parts scheme
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Parts for your 350-A EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 148-7425 [12] GUIDE-VALVE (STANDARD)  
  154-6997 AB GUIDE-VALVE (0.51-MM OS)  
  154-6998 AB GUIDE-VALVE (0.13-MM OS)  
2. 5M-2894 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 8T-6762 [3] PLUG-PIPE (1/2-14-THD)  
4. 5S-6735 [1] GASKET  
5. 1P-6367 [1] COVER  
6. 0S-1594 [4] BOLT (3/8-16X1-IN)  
7. 8T-6763 [1] PLUG-PIPE (1/4-18-THD)  
8. 8N-4485 [1] VALVE AS-VENT (ENGINE COOLANT)  
9. 107-0265 [6] INSERT-VALVE SEAT (EXHAUST)(STANDARD)  
  AB INSERT-VALVE SEAT (0.13-MM OS)  
  AB INSERT-VALVE SEAT (0.25-MM OS)  
  AB INSERT-VALVE SEAT (0.51-MM OS)  
  AB INSERT-VALVE SEAT (0.76-MM OS)  
10. 107-0268 [6] INSERT-VALVE SEAT (INLET)(STANDARD)  
  AB INSERT-VALVE SEAT (0.13-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.25-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.51-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.76-MM OS, INLET)  
11. 3B-0623 [6] PLUG-CUP  
12. 3S-8313 [7] PLUG-CUP  
13. 3P-1896 [13] PLUG-CUP  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
 

Information:

Truck Engine News
Set Engine Valve Lash After Installing All Remanufactured Long Blocks {1102, 1121, 1123, 1209}
2012/10/08
Engine News
Set Engine Valve Lash After Installing All Remanufactured Long Blocks {1102, 1121, 1123, 1209}
2012/10/08
Tool Operating Manual
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
Reuse And Salvage Guidelines
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Disassembly and Assembly
Compression Brake - Remove
3304B and 3306B Engines for Caterpillar Built Machines
Compression Brake - Install
3304B and 3306B Engines for Caterpillar Built Machines
Compression Brake - Disassemble
3304B and 3306B Engines for Caterpillar Built Machines
Compression Brake - Assemble
3304B and 3306B Engines for Caterpillar Built Machines
Rocker Shaft and Pushrod - Remove
3304B and 3306B Engines for Caterpillar Built Machines
Rocker Shaft - Disassemble
3304B and 3306B Engines for Caterpillar Built Machines
Rocker Shaft - Assemble
3304B and 3306B Engines for Caterpillar Built Machines
Lifter Group - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Rocker Shaft and Pushrod - Install
3304B and 3306B Engines for Caterpillar Built Machines
Valve Mechanism Cover - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Service Magazine
New Tools Are Available To Help Find The Top Center Position For No. 1 Piston {1105}
2001/11/19
Set Engine Valve Lash After Installing All Remanufactured Long Blocks {1102, 1121, 1123, 1209}
2012/10/08

Caterpillar Parts SIS Catalog 350-A :

COVER GP-VALVE MECHANISM
6I-4560 COVER GP-VALVE MECHANISM
COVER GP-FRONT HOUSING
9Y-4721 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
4N-5162 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
3N-4923 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
134-0664 COVER GP-FRONT HOUSING
COVER GP-CYLINDER BLOCK
4P-2474 COVER GP-CYLINDER BLOCK
CAMSHAFT GP
1N-4406 CAMSHAFT GP
BELT TENSIONER GP
100-7617 BELT TENSIONER GP
CRANKSHAFT AS
334-8389 CRANKSHAFT AS
CRANKSHAFT GP
4P-9856 CRANKSHAFT GP
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CYLINDER BLOCK GP
1N-3576 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-6550 CYLINDER BLOCK GP
CYLINDER BLOCK GP
8N-5286 CYLINDER BLOCK GP
CYLINDER HEAD GP
7W-0362 CYLINDER HEAD GP
CYLINDER HEAD GP
8N-0246 CYLINDER HEAD GP
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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.
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