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148-4511 CYLINDER BLOCK AS S/N CTK1-UP PART OF 148-8456, 278-0966 CYLINDER BLOCK GP FIELD REPLACEMENT ORDER @@@@@353-3972@@@@@, 60- 7N-2046 SEAL-O-RING, 20-211-7826 LINER-CYLINDER BLOCK, 20-352-6061 SEAL-LINER G3520B


BASIC ENGINE
CYLINDER BLOCK GP
CYLINDER HEAD GP

GENERATOR SET G3520B GENERATOR SET CWD
 G3520 Generator Set CWD00001-UP SEBP3673 G3520B CWD   (2002)

BASIC ENGINE

CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
228-2706 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
233-9833 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK AS
148-4511 CYLINDER BLOCK AS
CYLINDER BLOCK AS
350-1394 CYLINDER BLOCK AS
CYLINDER BLOCK GP
148-8456 CYLINDER BLOCK GP
CYLINDER BLOCK GP
148-8456 CYLINDER BLOCK GP
 

#SEBP36730030
 

148-4511: CYLINDER BLOCK AS

148-4511 CYLINDER BLOCK AS
S/N CTK1-UP
PART OF 148-8456, 278-0966 CYLINDER BLOCK GP
FIELD REPLACEMENT ORDER @@@@@353-3972@@@@@, 60- 7N-2046 SEAL-O-RING, 20-211-7826 LINER-CYLINDER BLOCK, 20-352-6061 SEAL-LINER
i01031248 SEBP3673
1484511 CYLINDER BLOCK AS Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-4813 [4] PLUG  
2. 7X-7925 [44] BOLT (7/8-14X11-IN)  
3. 8N-4707 [20] BAND-FILLER  
4. 223-1696 [11] CAP-CRANKSHAFT BEARING  
5. 211-7826 [20] LINER-CYLINDER BLOCK  
7. 5P-8249 [44] WASHER-HARD (24X41.5X4-MM THK)  
8. 7N-2046 [60] SEAL-O-RING  
9. 8T-2928 [4] SEAL-O-RING  
10. 8T-2929 [4] SEAL-O-RING  
 

#SEBP36730031
 

350-1394: CYLINDER BLOCK AS

350-1394 CYLINDER BLOCK AS
S/N CTK1-UP
PART OF 353-3972 CYLINDER BLOCK GP
i03859700 SEBP3673
3501394 CYLINDER BLOCK AS Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 223-1696 [11] CAP-CRANKSHAFT BEARING  
3. 4W-4813 [4] PLUG  
4. 5P-8249 [44] WASHER-HARD (24X41.5X4-MM THK)  
5. 7X-7925 [44] BOLT (7/8-14X11-IN)  
6. 8T-2928 [4] SEAL-O-RING  
7. 8T-2929 [4] SEAL-O-RING  
 

#SEBP36730032
 

148-8456: CYLINDER BLOCK GP

148-8456 CYLINDER BLOCK GP
S/N CTK1-UP
i01031244 SEBP3673
1488456 CYLINDER BLOCK GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-2940 [8] PLUG  
2. 1W-4188 [20] RETAINER AS (FOR USE WITH 1-PC PISTON ONLY)  
    (EACH INCLUDES)
  6V-3537 [1] DOWEL  
3. 7N-2047 [3] DOWEL  
4. 197-7008 [20] DOWEL  
5. 7N-5641 [2] PLUG-MANIFOLD  
6. 8N-8056 [2] COVER  
7. 101-1198 [22] BEARING-CAMSHAFT  
8. 110-6994 [20] PLATE-SPACER  
9. 116-3254 [20] JET AS-PISTON COOLING (FOR USE WITH 1-PC PISTON ONLY)  
10. 144-5692 [20] GASKET-PLATE  
11. 148-4511 Y [1] CYLINDER BLOCK AS  
12. 033-6042 [5] SEAL-O-RING  
13. 0S-1595 [2] BOLT (1/2-13X1.25-IN)  
14. 0T-0102 [20] BOLT (3/8-16X0.625-IN)  
15. 1A-2029 [2] BOLT (3/8-16X1.125-IN)  
16. 1B-2790 [20] BOLT (5/16-18X1.375-IN)  
17. 4N-0683 [2] DOWEL  
18. 5F-9657 [4] SEAL-O-RING  
19. 5M-2894 [22] WASHER-HARD (10.2X18.5X2.5-MM THK)  
20. 5P-0840 [40] SEAL-O-RING  
21. 5P-8210 [2] SEAL-O-RING  
22. 5P-8245 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
23. 6V-3348 [8] SEAL-O-RING  
24. 7N-2044 [2] DOWEL  
25. 7X-4805 [3] SEAL-O-RING  
26. 7X-7731 [2] PLUG-PIPE (3/4-14-THD)  
27. 8T-0099 [40] DOWEL  
28. 8T-6762 [3] PLUG-PIPE (1/2-14-THD)  
29. 8T-6763 [28] PLUG-PIPE (1/4-18-THD)  
30. 9M-1974 [20] WASHER-HARD (8.8X16X2-MM THK)  
31. 9S-4191 [5] PLUG (9/16-18-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP36730033
 

148-8456: CYLINDER BLOCK GP

148-8456 CYLINDER BLOCK GP
S/N CTK1-261
i02239147 SEBP3673
1488456 CYLINDER BLOCK GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-2940 [8] PLUG  
2. 7N-2047 [3] DOWEL  
3. 7N-5641 [2] PLUG-MANIFOLD  
4. 8N-8056 [2] COVER  
5. 101-1198 [22] BEARING-CAMSHAFT  
6. 110-6994 [20] PLATE-SPACER  
7. 144-5692 [20] GASKET-PLATE  
8. 148-4511 Y [1] CYLINDER BLOCK AS  
9. 197-7008 [20] DOWEL  
10. 0S-1595 [2] BOLT (1/2-13X1.25-IN)  
11. 153-4906 [5] SEAL-O-RING  
12. 1A-2029 [2] BOLT (3/8-16X1.125-IN)  
13. 4N-0683 [2] DOWEL  
14. 5F-9657 [4] SEAL-O-RING  
15. 5M-2894 C [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
16. 5P-0840 [40] SEAL-O-RING  
17. 5P-8210 [2] SEAL-O-RING  
18. 5P-8245 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 6V-3348 [8] SEAL-O-RING  
20. 7N-2044 [2] DOWEL  
21. 7X-4805 [3] SEAL-O-RING  
22. 7X-7731 [2] PLUG-PIPE (3/4-14-THD)  
23. 8T-0099 [40] DOWEL  
24. 8T-6762 [3] PLUG-PIPE (1/2-14-THD)  
25. 8T-6763 [28] PLUG-PIPE (1/4-18-THD)  
26. 9S-4191 [5] PLUG (9/16-18-THD)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP36730034
 

278-0966: CYLINDER BLOCK GP

278-0966 CYLINDER BLOCK GP
S/N CTK262-99999
i02375352 SEBP3673
2780966 CYLINDER BLOCK GP Parts scheme 2780966 CYLINDER BLOCK GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-4188 [20] RETAINER AS (FOR USE WITH 1-PC PISTON ONLY)  
    (EACH INCLUDES)
  6V-3537 [1] DOWEL  
  1N-3109 [1] RETAINER  
2. 2W-2940 [8] PLUG  
3. 7N-2047 [3] DOWEL  
4. 7N-5641 [2] PLUG-MANIFOLD  
5. 8N-8056 [2] COVER  
6. 101-1198 [22] BEARING-CAMSHAFT  
7. 110-6994 [20] PLATE-SPACER  
8. 116-3254 [20] JET AS-PISTON COOLING (FOR USE WITH 1-PC PISTON ONLY)  
9. 144-5692 [20] GASKET-PLATE  
10. 148-4511 Y [1] CYLINDER BLOCK AS  
11. 197-7008 [20] DOWEL  
12. 0S-1595 [2] BOLT (1/2-13X1.25-IN)  
13. 0T-0102 [20] BOLT (3/8-16X0.625-IN)  
14. 153-4906 [5] SEAL-O-RING  
15. 1A-2029 [2] BOLT (3/8-16X1.125-IN)  
16. 1B-2790 [20] BOLT (5/16-18X1.375-IN)  
17. 4N-0683 [2] DOWEL  
18. 5F-9657 [4] SEAL-O-RING  
19. 5M-2894 [22] WASHER-HARD (10.2X18.5X2.5-MM THK)  
20. 5P-0840 [40] SEAL-O-RING  
21. 5P-8210 [2] SEAL-O-RING  
22. 5P-8245 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
23. 6V-3348 [8] SEAL-O-RING  
24. 7N-2044 [2] DOWEL  
25. 7X-4805 [3] SEAL-O-RING  
26. 7X-7731 [2] PLUG-PIPE (3/4-14-THD)  
27. 8T-0099 [40] DOWEL  
28. 8T-6762 [3] PLUG-PIPE (1/2-14-THD)  
29. 8T-6763 [28] PLUG-PIPE (1/4-18-THD)  
30. 9M-1974 [20] WASHER-HARD (8.8X16X2-MM THK)  
31. 9S-4191 [5] PLUG (9/16-18-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP36730035
 

353-3972: CYLINDER BLOCK GP

353-3972 CYLINDER BLOCK GP
S/N CTK1-UP
FIELD REPLACEMENT FOR @@@@@148-4511@@@@@
FOR USE WITH 339-4950 SEAL-LINER, 8N-4707 BAND-FILLER
i03859810 SEBP3673
3533972 CYLINDER BLOCK GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-2940 [8] PLUG  
2. 7N-5641 [2] PLUG-MANIFOLD  
3. 350-1394 Y [1] CYLINDER BLOCK AS  
4. 214-7568 [6] SEAL-O-RING  
5. 5F-9657 [4] SEAL-O-RING  
6. 6V-3348 [8] SEAL-O-RING  
7. 7X-7731 [2] PLUG-PIPE (3/4-14-THD)  
8. 8T-6762 [4] PLUG-PIPE (1/2-14-THD)  
9. 8T-6763 [30] PLUG-PIPE (1/4-18-THD)  
10. 9S-4191 [6] PLUG (9/16-18-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP36730036
 

153-8397: CYLINDER HEAD AS

153-8397 CYLINDER HEAD AS
S/N CWD1-UP
PART OF 153-8398 CYLINDER HEAD GP
AN ATTACHMENT
i00961131 SEBP3673
1538397 CYLINDER HEAD AS Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
2. 184-5494 [2] GUIDE-VALVE (EXHAUST)(STANDARD)  
  322-3661 AB [1] GUIDE-VALVE (0.13-MM OS, EXHAUST)(EXHAUST 0.13-MM OS OD)  
  322-3662 AB [1] GUIDE-VALVE (0.25-MM OS, EXHAUST)(EXHAUST 0.25-MM OS OD)  
  322-3663 AB [1] GUIDE-VALVE (0.51-MM OS, EXHAUST)(EXHAUST 0.51-MM OS OD)  
3. 184-5495 [2] GUIDE-VALVE (INLET)(STANDARD)  
  322-3664 AB [1] GUIDE-VALVE (0.13-MM OS, INLET)(INLET 0.13-MM OS OD)  
  322-3665 AB [1] GUIDE-VALVE (0.25-MM OS, INLET)(INLET 0.25-MM OS OD)  
  322-3666 AB [1] GUIDE-VALVE (0.51-MM OS, INLET)(INLET 0.51-MM OS OD)  
4. 153-8396 [2] INSERT-VALVE SEAT (STANDARD, INLET)  
  AB [1] INSERT-VALVE SEAT (0.13-MM OS, INLET)(INLET 0.13-MM OS OD)  
  158-8046 AB [1] INSERT-VALVE SEAT (0.25-MM OS, INLET)(INLET 0.25-MM OS OD)  
5. 3B-0645 [5] PLUG-CUP  
6. 3J-7354 [2] SEAL-O-RING  
7. 6I-1713 [2] INSERT-VALVE SEAT (STANDARD, EXHAUST)  
  110-7726 AB [1] INSERT-VALVE SEAT (0.13-MM OS, EXHAUST)(EXHAUST 0.13-MM OS OD)  
  110-7727 AB [1] INSERT-VALVE SEAT (0.25-MM OS, EXHAUST)(EXHAUST 0.25-MM OS OD)  
8. 3B-0623 [5] PLUG-CUP  
9. 9S-8002 [2] PLUG (7/16-20-THD)  
10. 4P-6925 [1] SLEEVE-OIL  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
 

#SEBP36730037
 

153-8398: CYLINDER HEAD GP

153-8398 CYLINDER HEAD GP
S/N CWD1-UP
PART OF 153-8399 CYLINDER HEAD GP
FIELD REPLACEMENT ORDER @@@@@206-1564@@@@@
AN ATTACHMENT
i00960075 SEBP3673
1538398 CYLINDER HEAD GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-1903 [4] SPRING-VALVE INNER  
2. 209-0962 [4] WASHER (17.8X45X7.29-MM THK)  
3. 7N-1904 [4] SPRING-VALVE OUTER  
4. 133-3814 [4] ROTOCOIL AS  
5. 2A-4429 [8] LOCK-RETAINER  
6. 104-7184 [4] VALVE  
7. 7N-1902 [2] DOWEL  
8. 153-8397 Y [1] CYLINDER HEAD AS  
  Y   SEPARATE ILLUSTRATION
 

#SEBP36730038
 

153-8399: CYLINDER HEAD GP

153-8399 CYLINDER HEAD GP
S/N CWD1-UP
AN ATTACHMENT
i00959907 SEBP3673
1538399 CYLINDER HEAD GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-1961 [6] BOLT-12 POINT HEAD (3/4-16X8.5-IN)  
  5P-8248 [6] WASHER-HARD (20X36.5X3.5-MM THK)  
2. 7N-1961 [2] BOLT-12 POINT HEAD (3/4-16X8.5-IN)  
  5P-8248 [2] WASHER-HARD (20X36.5X3.5-MM THK)  
  9Y-0635 [2] SPACER (19.35X30.18X45-MM THK)  
3. 5N-2126 [1] CONNECTOR (THERMOCOUPLE)  
4. 5B-0213 [2] BOLT (3/8-16X2.375-IN)  
5. 153-8398 Y [1] CYLINDER HEAD GP  
6. 8T-6759 [1] PLUG-PIPE  
7. 5M-2894 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
8. 110-6991 [1] GASKET-CYLINDER HEAD  
9. 126-1113 [4] SEAL  
10. 126-1112 [4] SEAL  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP36730039
 

206-1563: CYLINDER HEAD GP

206-1563 CYLINDER HEAD GP
S/N CWD1-UP
PART OF 206-1564 CYLINDER HEAD GP
AN ATTACHMENT
i01806135 SEBP3673
2061563 CYLINDER HEAD GP Parts scheme
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Parts for your G3520B GENERATOR SET:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 214-7566 [2] SEAL-O-RING  
2. 3B-0645 [5] PLUG-CUP  
3. 3B-0623 [5] PLUG-CUP  
4. 4P-6925 [1] SLEEVE-OIL  
5. 191-6760 [2] INSERT-VALVE SEAT (EXHAUST)(STANDARD)  
  206-1546 AB INSERT-VALVE SEAT (0.25-MM OS, EXHAUST)  
  206-1547 AB INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)  
  322-3658 AB INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)  
6. 266-8721 [2] INSERT-VALVE SEAT (INLET)(STANDARD)  
  AB INSERT-VALVE SEAT (0.25-MM OS, INLET)  
  AB INSERT-VALVE SEAT (0.508-MM OS, INLET)  
7. 9S-8002 [2] PLUG (7/16-20-THD)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
 

Information:

Tool Operating Manual
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}

Caterpillar Parts SIS Catalog G3520B :

CRANKSHAFT GP
246-1552 CRANKSHAFT GP
CRANKSHAFT GP
151-2596 CRANKSHAFT GP
COVER GP-VALVE MECHANISM
4P-8310 COVER GP-VALVE MECHANISM
COVER GP-REAR HOUSING
191-6517 COVER GP-REAR HOUSING
COVER GP-OIL PAN
2W-5616 COVER GP-OIL PAN
COVER GP-GEAR INSPECTION
191-8721 COVER GP-GEAR INSPECTION
COVER GP-FRONT HOUSING
234-0286 COVER GP-FRONT HOUSING
COVER GP-FLYWHEEL HOUSING
191-2997 COVER GP-FLYWHEEL HOUSING
CYLINDER BLOCK AS
350-1394 CYLINDER BLOCK AS
CYLINDER BLOCK GP
148-8456 CYLINDER BLOCK GP
CYLINDER BLOCK GP
148-8456 CYLINDER BLOCK GP
CYLINDER BLOCK GP
278-0966 CYLINDER BLOCK GP
CYLINDER BLOCK GP
353-3972 CYLINDER BLOCK GP
CYLINDER HEAD AS
153-8397 CYLINDER HEAD AS
CYLINDER HEAD GP
153-8398 CYLINDER HEAD GP
CYLINDER HEAD GP
153-8399 CYLINDER HEAD GP

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