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1N7337 JACKET WATER PUMP GROUP See Page 26 for Gasket Kit G343 GAS ENGINE


COOLING SYSTEM
PUMP GP-WATER
AIR INLET AND EXHAUST SYSTEM
EXHAUST GP
AFTERCOOLER GP
COOLING SYSTEM
LINES GP-WATER

GAS ENGINE G343 GAS ENGINE 97N
 G343 ENGINE 97N00001-UP UEG0250S G343 97N   (1969)

COOLING SYSTEM

PUMP GP-WATER
PUMP GP-WATER
1N-7337 PUMP GP-WATER
AUXILIARY WATER PUMP ASSEMBLY
7L-8446 AUXILIARY WATER PUMP ASSEMBLY
AUXILIARY WATER PUMP ASSEMBLY
2N-9047 AUXILIARY WATER PUMP ASSEMBLY
AUXILIARY WATER PUMP ASSEMBLY
3N-6937 AUXILIARY WATER PUMP ASSEMBLY
AUXILIARY WATER PUMP
8L-8195 AUXILIARY WATER PUMP
 

#UEG0250S0001
 

1N-7337: PUMP GP-WATER

1N7337 JACKET WATER PUMP GROUP
See Page 26 for Gasket Kit
c202917 UEG0250S
1N7337 PUMP GP-WATER Parts scheme
  For full view, you need register

Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1591 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
    (MOUNTED ON TIMING GEAR HOUSING)
  6F-5772 [1] SEAL  
  6B-1124 H [1] BEARING  
  4L-4039 [1] SPACER  
  5L-5092 [1] ADAPTER  
  2F-5721 H [1] BEARING  
  4H-9743 H [1] KEY  
  1L-8544 [1] NUT  
  3B-4618 H [1] COTTER PIN  
  0S-0355 [1] WASHER  
  1L-4775 [1] RING  
  4L-4043 [1] GEAR (50 TEETH)  
  1B-4203 [5] NUT  
  3B-4506 [5] LOCKWASHER  
  4L-4075 [1] GASKET  
  1S-0615 [1] KIT (REBUILD)  
    (CONSISTS OF PARTS MARKED H)
  0S-0532 [6] STUD  
  1D-4717 [6] NUT  
  3B-4506 [6] LOCKWASHER  
  8H-0273 [1] SEAL  
  2M-1538 [4] STUD  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  5L-8202 H [1] IMPELLER  
  6L-2914 [1] COVER  
  3H-2018 H [1] NUT  
  3F-2771 H [1] COTTER PIN  
  3S-3535 [1] SEAL  
  5H-4342 [1] WASHER  
  7L-2067 H [1] SHAFT  
  2S-3966 [1] RING  
  9S-5168 [1] WASHER  
  [1] BELLOWS ASSEM.  
    (PARTS OF 4N4340 ASSEM.)
  4N-4340 C [1] SEAL ASSEM.  
  1L-8026 [6] GASKET  
  4L-9186 [1] HOUSING  
  7B-7129 [1] GASKET  
  1A-2029 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  5M-6214 [1] PLUG  
  2L-4051 [1] COVER  
  0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  C   INDICATES CHANGE
 

#UEG0250S0002
 

7L-8446: AUXILIARY WATER PUMP ASSEMBLY

7L8446 AUXILIARY WATER PUMP ASSEMBLY
Serial No. 97N1 to 97N257 inclusive
See Page 26 for Gasket Kit. Refer also to Pages 52 and 53 for special parts
c136775 UEG0250S
7L8446 AUXILIARY WATER PUMP ASSEMBLY Parts scheme
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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3960 J [2] KEY  
2. 2N-3953 [1] BODY  
3. 3L-7229 H [1] GASKET  
4. 4F-8965 H [3] BOLT  
  3B-4507 H [3] LOCKWASHER  
5. 4L-6498 [6] NUT  
  [6] LOCKWASHER  
6. 2N-3955 [1] GASKET  
7. 2N-3957 J [1] SHIM  
8. 2N-3959 [1] HOUSING  
9. 5M-6214 J [1] PLUG  
10. 2N-3956 J [1] IMPELLER  
11. 2N-3954 [1] SEAL ASSEM.  
12. 2N-3952 J [1] SLINGER  
13. 3J-4407 [1] SEAL  
14. 6B-0924 J [1] BEARING  
15. 2N-3951 J [1] SPACER  
16. 2N-3947 J [1] SHAFT  
17. 2N-3950 J [1] BEARING  
18. 7L-8764 [1] GEAR  
19. 2N-3949 [1] RING  
20. 2N-3948 J [1] SPACER  
21. 2N-3958 J [2] NUT  
22. 4B-4280 J [1] WASHER  
  1P-9060 [1] KIT (Water Pump Rebuild)  
    (Consists of parts marked J)
  H   NOT PART OF 7L8446 ASSEM.
 

#UEG0250S0003
 

2N-9047: AUXILIARY WATER PUMP ASSEMBLY

2N9047 AUXILIARY WATER PUMP ASSEMBLY
Serial No. 97N258 to 97N317 and 97N319 to 97N323 inclusive
See Page 26 for Gasket Kit. Refer also to Pages 52 and 53 for special parts
c143942 UEG0250S
2N9047 AUXILIARY WATER PUMP ASSEMBLY Parts scheme
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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3960 H [2] KEY  
2. 2N-9048 [1] BODY  
3. 2N-3958 H [2] NUT  
4. 4B-4280 H [1] WASHER  
5. 4L-6498 [6] NUT  
  3L-6789 [6] LOCKWASHER  
6. 2N-3955 [1] GASKET  
7. 2N-3957 H [1] SHIM  
8. 2N-3959 [1] HOUSING  
9. 5M-6214 H [1] PLUG  
10. 2N-3956 H [1] IMPELLER  
11. 2N-3954 [1] SEAL ASSEM.  
12. 2N-3952 H [1] SLINGER  
13. 3J-4407 [1] SEAL  
14. 6B-0924 H [1] BEARING  
15. 2N-3951 H [1] SPACER  
16. 2N-3947 [1] SHAFT  
17. 2N-3950 H [1] BEARING  
18. 7L-8764 [1] GEAR  
19. 2N-3949 [1] RING  
20. 2N-3948 H [1] SPACER  
21. 4F-8965 CJ [3] BOLT  
  3B-4507 [3] LOCKWASHER  
22. 3L-7229 CJ [1] GASKET  
  1P-9060 WATER PUMP REBUILD KIT IS AVAILABLE  
    (Consists of Parts Marked H)
  C   INDICATES CHANGE
  J   NOT PART OF 2N9047 WATER PUMP
 

#UEG0250S0004
 

3N-6937: AUXILIARY WATER PUMP ASSEMBLY

3N6937 AUXILIARY WATER PUMP ASSEMBLY
Serial No. 97N318 and 97N324-Up
Part of Auxiliary Water Pump shown on Page 8D
See Page 26 for Gasket Kit. Refer also to Pages 52 and 53 for special parts
c144790 UEG0250S
3N6937 AUXILIARY WATER PUMP ASSEMBLY Parts scheme
  For full view, you need register

Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3960 [2] KEY  
2. 2N-9048 [1] BODY  
3. 9S-1354 [2] NUT  
4. 1C-0152 [1] WASHER  
5. 4L-6498 [6] NUT  
  3L-6789 [6] LOCKWASHER  
6. 2N-3955 [1] GASKET  
7. 2N-3957 [1] SHIM  
8. 2N-3959 [1] HOUSING ASSEM.  
9. 5M-6214 [1] PLUG  
10. 2N-3956 [1] IMPELLER  
11. 3N-2800 [1] SEAL ASSEM.  
12. 2N-3952 [1] SLINGER  
13. 8H-9520 [1] SEAL  
14. 6B-0924 [1] BEARING  
15. 2N-3951 [1] SPACER  
16. 3N-6936 [1] SHAFT  
17. 2N-3950 [1] BEARING  
18. 7L-8764 [1] GEAR  
19. 2N-3949 [1] RING  
20. 2N-3948 [1] SPACER  
 

#UEG0250S0005
 

8L-8195: AUXILIARY WATER PUMP

AUXILIARY WATER PUMP (8L8195 N/S)
Serial No. 97N318 and 97N324-Up
3N6937 Pump parts are shown on Page 8C
See Page 26 for Gasket Kit. Refer also to Pages 52 & 53 for special parts
c145604 UEG0250S
8L8195 AUXILIARY WATER PUMP Parts scheme
  For full view, you need register

Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3L-7229 [1] GASKET  
2. 3N-6937 YC [1] PUMP ASSEM.  
    (Separate Illustration)
3. 4F-8965 [3] BOLT  
  3B-4507 [3] LOCKWASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0250S0006
 

8L-9653: EXHAUST ELBOW

EXHAUST ELBOW (8L9653 N/S)
Refer also to Page 60 for special parts
Note: 3L2998 Rain Cap & 7L4994 Rain Cap Assembly is available
c110306 UEG0250S
8L9653 EXHAUST ELBOW Parts scheme
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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] ELBOW  
2. [1] PIPE  
3. [2] BOLT  
  [2] LOCKWASHER  
  [2] WASHER  
4. [4] SEAL  
5. [1] PLUG  
6. [1] PLUG  
7. [1] CLAMP  
 

#UEG0250S0007
 

2N-2156: AUXILIARY WATER LINES

AUXILIARY WATER LINES (2N2156 N/S)
Refer also to Pages 52 and 53 for special parts
c110528 UEG0250S
2N2156 AUXILIARY WATER LINES Parts scheme
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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] PIPE ASSEM.  
2. [1] ELBOW  
3. [1] NIPPLE  
4. [1] ELBOW  
 

#UEG0250S0008
 

JACKET WATER LINES

JACKET WATER LINES--Part 1 of 2
Refer also to Page 57 for special parts
c109902 UEG0250S
None JACKET WATER LINES Parts scheme
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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0L-2072 [2] CLIP  
  6L-3285 [1] TUBE ASSEM.  
    (To Cylinder Block)
  2H-3927 [2] SEAL  
  4S-8385 H [47.85IN.] TUBE  
  6L-3145 [1] ELBOW  
    (Mounted on Water Pump)
  1L-8022 [1] GASKET  
  4L-9224 [1] SLEEVE  
    (To Flywheel Housing)
  7H-2444 [2] SEAL  
  5L-1150 [1] GASKET  
  8L-9612 [1] TUBE ASSEM.  
    (To Water Pump)
  2H-2665 [2] SEAL  
  6L-1600 [1] PIPE  
  8L-8930 [1] TUBE ASSEM.  
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5F-3181 [1] GASKET  
  6L-1601 [1] ELBOW  
  5M-3535 [1] GASKET  
  4F-0411 [1] BOLT  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4M-1336 [1] FERRULE  
    (Part of 8L8897 Assem.)
  6L-4571 [1] HOSE  
  8B-4744 [1] PIPE  
  9M-2904 [2] CLAMP  
  1B-5174 [3] PLUG  
  4H-0945 [1] FITTING  
  4H-2495 [1] NUT  
  4H-2494 [1] SLEEVE  
    (Parts of Fitting 4H945)
  8L-8897 [1] BASE ASSEM.  
    (Mounted on Cylinder Head)
  4L-7615 [2] REGULATOR  
  6L-3098 [1] GASKET  
  9M-0164 [2] CLAMP  
  6L-3929 [1] HOSE  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  6L-3929 [1] HOSE  
  9M-0164 [2] CLAMP  
  8S-9191 [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  6L-1602 [1] BONNET  
    (Mounted on Oil Cooler)
  0S-1591 [3] BOLT (1.50" Long)  
  1D-4717 [3] NUT  
  3B-4506 [3] LOCKWASHER  
  H   ORDER BY THE FOOT
 

#UEG0250S0009
 

JACKET WATER LINES

JACKET WATER LINES--Part 2 of 2
c109903 UEG0250S
None JACKET WATER LINES Parts scheme
  For full view, you need register

Parts for your G343 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-3095 [1] ELBOW  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4L-3804 [1] GASKET  
  4M-1336 [1] FERRULE  
  3S-9643 [2] SEAL (Regulator)  
    (Parts of Housing Assem. 6L3099)
  6L-3099 [1] HOUSING ASSEM.  
  0L-1352 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  6B-3455 [1] HOSE  
  9M-7958 [2] CLAMP  
  8L-8869 [1] TUBE  
  0L-1143 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0L-2070 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5M-3535 [1] GASKET  
  2B-2404 [1] CLIP  
  4S-8385 H TUBE 22.85"  
  1L-0478 [1] FITTING  
  4H-2495 [2] NUT  
  4H-2494 [2] SLEEVE  
    (Parts of Fitting 1L478)
  4H-0945 [1] FITTING  
  4H-2495 [1] NUT  
  4H-2494 [1] SLEEVE  
    (Parts of 4H945 Fitting)
  2M-8089 [1] GASKET  
  0S-1588 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  2L-2685 [1] CLIP  
  3B-1915 [1] BOLT  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  6H-1717 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4B-4280 [2] WASHER  
  1B-5174 [1] PLUG  
  H   ORDER BY THE FOOT
 

Information:

Specifications
Water Pump<BR> (1N7337)
G343 ENGINE
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Jacket Water Pump
G343 ENGINE
Auxiliary Water Pump
G343 ENGINE

Caterpillar Parts SIS Catalog G343 :

AUXILIARY WATER PUMP ASSEMBLY
7L-8446 AUXILIARY WATER PUMP ASSEMBLY
AUXILIARY WATER PUMP ASSEMBLY
2N-9047 AUXILIARY WATER PUMP ASSEMBLY
AUXILIARY WATER PUMP ASSEMBLY
3N-6937 AUXILIARY WATER PUMP ASSEMBLY
AUXILIARY WATER PUMP
8L-8195 AUXILIARY WATER PUMP
EXHAUST ELBOW
8L-9653 EXHAUST ELBOW
AUXILIARY WATER LINES
2N-2156 AUXILIARY WATER LINES
JACKET WATER LINES
JACKET WATER LINES
JACKET WATER LINES
JACKET WATER LINES

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