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8L4454 FLEXIBLE FUEL LINES GROUP Only separate parts serviced. When complete group is required order 3N6668 shown on Page 72B AN ATTACHMENT 3304


FUEL SYSTEM
LINES GP-FUEL
FILTER GP-FUEL
PUMP GP-FUEL PRIMING
PUMP GP-FUEL TRANSFER
GOVERNOR GP
OPERATOR STATION
PANEL GP
FUEL SYSTEM
PUMP GP-FUEL INJECTION
GOVERNOR GP

INDUSTRIAL ENGINE 3304 INDUSTRIAL ENGINE 02B
 3304 ENGINE 02B04364-05271 UEG0677S 3304 02B   (1968)

FUEL SYSTEM

LINES GP-FUEL
LINES GP-FLEXIBLE FUEL
3N-6668 LINES GP-FLEXIBLE FUEL
LINES GP-FLEXIBLE FUEL
3N-6668 LINES GP-FLEXIBLE FUEL
FLEXIBLE FUEL LINES GROUP
8L-4454 FLEXIBLE FUEL LINES GROUP
FUEL INJECTION VALVES AND LINES GROUP
3N-6870 FUEL INJECTION VALVES AND LINES GROUP
FUEL INJECTION VALVES AND LINES GROUP
8L-6185 FUEL INJECTION VALVES AND LINES GROUP
 

#UEG0677S0160
 

8L-4454: FLEXIBLE FUEL LINES GROUP

8L4454 FLEXIBLE FUEL LINES GROUP
Only separate parts serviced. When complete group
is required order 3N6668 shown on Page 72B
AN ATTACHMENT
c100591 UEG0677S
8L4454 FLEXIBLE FUEL LINES GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3L-7055 [1] UNION  
  1L-9107 [1] LINE (24" LONG)  
  3L-7056 [1] LINE (33" LONG  
  2L-3331 [1] UNION  
  4B-6067 [1] STREET ELL  
 

#UEG0677S0161
 

7L-0261: FILTER & PRM GP

7L261 FUEL FILTER AND PRIMING PUMP GROUP
Part of 3N3205 Basic Engine Arrangement. 9H2256--Page 74A
c157689 UEG0677S
7L0261 FILTER & PRM GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7H-3171 [1] PLUG  
2. 7L-7451 [1] BASE ASSEM.  
  9S-4167 [1] STUD  
3. 4M-5317 [1] BUSHING  
4. 6D-0238 [1] VALVE ASSEM.  
5. 2A-4639 [1] BOLT 4.12 cm(1.625 in.) long  
  1D-4717 [1] NUT  
6. 0S-1588 [3] BOLT 3.17 cm(1.25 in.) long  
7. 3B-4506 [4] LOCKWASHER  
8. 4B-4278 [2] WASHER  
9. 7L-7368 [1] GASKET  
10. 8L-8612 [1] TANK ASSEM. (Top)  
12. 6L-7611 [1] FITTING  
13. 4S-6526 [1] SPRING  
14. 2F-4355 [1] STOP  
15. 1F-5842 [1] BOLT  
16. 3B-4505 [5] LOCKWASHER  
17. 4B-4277 [4] WASHER  
18. 2S-4015 [1] PLUNGER ASSEM.  
19. 4B-5647 [1] GASKET  
20. 1B-7182 [4] BOLT  
21. 7L-7364 [1] GASKET  
22. 7L-0442 [1] TUBE 17.17 cm(6.76 in.)long-outlet  
23. 9H-2256 YC [1] FUEL PRIMING PUMP ASSEM.  
    (Separate Illustration)
24. 3B-8998 C [3] FITTING  
    (Each Includes)
25. 1F-1344 C [1] NUT  
26. 2N-8981 C [1] SUPPORT  
27. 1H-7922 [1] FITTING  
    (Includes)
28. 1F-1344 [1] NUT  
29. 7B-6368 [1] BALL  
30. 7B-6365 [1] SPRING  
31. 7B-7840 [1] RETAINER  
32. 7L-0399 [1] TUBE 20.65 cm(8.13 in.)long-inlet  
33. 3B-7721 [1] BUSHING  
34. 2B-2404 [1] CLIP  
35. 1N-7970 [1] TUBE  
36. 2N-7612 [1] TANK (Bottom)  
37. 9H-4557 [2] SEAL  
38. 7L-7345 [1] SLEEVE  
39. 1P-2299 [1] FILTER ASSEM.  
40. 3B-8453 C [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0677S0162
 

9H-2256: FUEL PRIMING PUMP ASSEMBLY

9H2256 FUEL PRIMING PUMP ASSEMBLY
Part of 7L261 Fuel Filter and Priming Pump Group
c147588 UEG0677S
9H2256 FUEL PRIMING PUMP ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-6718 [ 2] BALL  
2. 1H-1023 [ 2] SEAL  
3. 1M-6781 [ 2] NUT  
 

#UEG0677S0163
 

7L-0543: FUEL TRANSFER PUMP GROUP

7L543 FUEL TRANSFER PUMP GROUP (7L247 N/S)
Serial No. 2B4364 to 2B4547 inclusive
Part of 3N3205 Basic Engine Arrangement listed on Page 15
c141194 UEG0677S
7L0543 FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2F-8616 [1] NUT  
2. 8H-9806 [1] GEAR (11 Teeth)  
3. 6J-2419 [2] SEAL  
4. 7S-4439 [1] RING  
5. 7S-4434 [1] BODY ASSEM.  
6. 8F-6058 [1] BEARING  
7. 2S-6838 [1] SHAFT  
8. 8S-4368 [1] GEAR (Idler 10 Teeth)  
9. 8L-6295 [1] COVER ASSEM.  
10. 8S-5575 [1] SEAL  
11. 7S-4433 [2] FERRULE  
12. 7H-3171 [1] PLUG  
13. 8S-4373 [1] SHAFT ASSEM.  
14. 8S-4368 [1] GEAR (Drive 10 Teeth)  
15. 9F-6641 [6] SCREW  
16. 4B-3388 H [2] BOLT  
17. 3B-4505 H [2] LOCKWASHER  
18. 7S-2374 H [1] GASKET  
19. 8S-4375 [1] CAGE ASSEM.  
20. 8F-6058 [1] BEARING  
21. 4S-7756 [2] SEAL  
22. 3H-1489 [1] KEY  
23. 8B-1261 H [1] TEE  
24. 3B-7738 H [1] NIPPLE  
  H   NOT PART OF 7L543 TRANSFER PUM
 

#UEG0677S0164
 

4N-4878: FUEL TRANSFER PUMP GROUP

4N4878 FUEL TRANSFER PUMP GROUP (7L247 N/S)
Serial No. 2B4548-Up
Part of 3N3205 Basic Engine Arrangement listed on Page 15
c145533 UEG0677S
4N4878 FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2F-8616 [1] NUT  
2. 8H-9806 [1] GEAR (11 Teeth)  
3. 6J-2419 [2] SEAL  
4. 7S-4439 [1] RING  
5. 7S-4434 [1] BODY ASSEM.  
6. 8F-6058 [1] BEARING  
7. 4N-3944 [1] SHAFT  
8. 8S-4368 [1] GEAR (Idler 10 Teeth)  
9. 4N-4861 [1] COVER ASSEM.  
10. 4N-4249 [1] SEAL  
11. 7S-4433 [2] FERRULE  
12. 7H-3171 [1] PLUG  
13. 4N-4870 [1] SHAFT ASSEM.  
14. 8S-4368 [1] GEAR (Drive 10 Teeth)  
15. 9F-6641 [6] SCREW  
16. 4B-3388 H [2] BOLT  
17. 3B-4505 H [2] LOCKWASHER  
18. 7S-2374 H [1] GASKET  
19. 4N-4865 [1] CAGE ASSEM.  
20. 8F-6058 [1] BEARING  
21. 4N-4248 [2] SEAL  
22. 3H-1489 [1] KEY  
23. 8B-1261 H [1] TEE  
24. 3B-7738 H [1] NIPPLE  
  H   NOT PART OF 4N4878 TRANSFER PU
 

#UEG0677S0165
 

2N-8603: FUEL TRANSFER PUMP GROUP

2N8603 FUEL TRANSFER PUMP GROUP (2N9348 N/S)
Part of 3N6705 Engine Procurement Arrangement listed on Page 13
c137039 UEG0677S
2N8603 FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2F-8616 [1] NUT  
2. [1] GEAR (11 Teeth)  
3. 6J-2419 [2] SEAL  
4. 7S-4439 [1] RING  
5. 7S-4434 [1] BODY ASSEM.  
6. 8F-6058 [1] BEARING  
7. 2S-6838 [1] SHAFT  
8. 8S-4368 [1] GEAR (Idler-10 Teeth)  
9. 2N-8610 [1] COVER ASSEM.  
10. 8S-5575 [1] SEAL  
11. 7S-4433 [2] FERRULE  
12. 7H-3171 [1] PLUG  
13. 8S-4373 [1] SHAFT ASSEM.  
14. 8S-4368 [1] GEAR (Drive-10 Teeth)  
15. 9F-6641 [6] SCREW  
16. 4B-3388 H [2] BOLT  
17. 3B-4505 H [2] LOCKWASHER  
18. 7S-2374 [1] GASKET  
19. 8S-4375 [1] CAGE ASSEM.  
20. 8F-6058 [1] BEARING  
21. 4S-7756 [2] SEAL  
22. 3H-1489 [1] KEY  
23. 8B-1261 H [1] TEE  
24. 3B-7738 H [1] NIPPLE  
25. 1N-5898 [1] PLUNGER ASSEM.  
26. 7S-4440 [1] BOLT  
  2A-1913 [1] GASKET  
27. 2N-9333 [1] SPRING  
  H   NOT PART OF 2N8603 TRANSFER PU
 

#UEG0677S0166
 

8L-9651: FUEL INJECTION PUMP AND GOVERNOR GROUP

8L9651 FUEL INJECTION PUMP AND GOVERNOR GROUP
Part of 3N3205 Basic Engine Arrangement listed on Page 15
3N3387 Fuel Injection Pump and 8L9650 Governor parts
are shown on Pages 77, 78, 79, 79A and 79B
c141765 UEG0677S
8L9651 FUEL INJECTION PUMP AND GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-9650 Y [1] GOVERNOR GROUP  
    (Separate Illustration)
2. 8M-9140 [1] SPRING  
3. 7L-0552 [1] GASKET  
4. 0S-1618 [3] BOLT  
5. 3B-4505 [5] LOCKWASHER  
6. 3N-3387 YC [1] PUMP GROUP  
    (Separate Illustration)
7. 1B-9575 [2] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0677S0167
 

9S-8732: SERVICE METER GROUP

9S8732 SERVICE METER GROUP
Part of 3N3205 Basic Engine Arrangement listed on Page 15
Only separate parts serviced
c135443 UEG0677S
9S8732 SERVICE METER GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-3033 [1] CLAMP  
2. 9S-3032 [1] CLAMP  
3. 4M-8303 [1] SEAL  
4. 1T-0416 [2] BOLT  
  3F-9556 [2] LOCKWASHER  
5. 9S-8722 [1] SERVICE METER ASSEM.  
  1P-4923 [1] KIT (Service Meter Window)  
    (Includes Window, Gasket and Screws)
 

#UEG0677S0168
 

3N-3387: FUEL INJECTION PUMP GROUP

3N3387 FUEL INJECTION PUMP GROUP
Part of 8L9651 Fuel Injection Pump and Governor Group
c141766 UEG0677S
3N3387 FUEL INJECTION PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4M-0411 [4] BONNET  
  8H-9204 [4] WASHER  
  2M-4314 [4] BUSHING  
  9B-1363 [4] SPRING  
  9H-5746 [4] CHECK  
  1M-3506 [4] RING  
  9H-5797 [4] PLUNGER AND BARREL ASSEM.  
  1S-0206 [4] SPRING  
  9H-5729 [4] WASHER  
  3S-9735 [4] LIFTER ASSEM.  
  4M-1474 [2] PIN  
  4F-6024 [2] DOWEL  
  1S-1953 [1] BEARING  
    (Parts of 3N3386 Assem.)
  8H-9208 [1] DOWEL  
    (Part of 5S5058 Assem.)
  1S-0214 [1] SPRING  
  2S-7905 [1] PLUG  
    (Part of 3N3386 Assem.)
  0L-0472 [1] BOLT  
  2H-3504 [1] LOCK  
  8H-9208 [1] DOWEL  
    (Part of 8H9207 Assem.)
  7M-5940 [1] PLATE  
  5S-5058 [1] GEAR ASSEM.  
    (66 Teeth)
  2A-3746 [1] PLUG  
  2M-8604 [1] BEARING  
  2S-7905 [1] PLUG  
    (Parts of 3N3386 Assem.)
  1M-1077 [4] SEAL  
  1P-0233 [4] DOWEL  
  1P-0231 [4] BALL  
  1P-0234 [4] DOWEL  
  1P-0232 [4] BALL  
    (Parts of 3N3886 Assem.)
  2M-4208 [4] SPACER (.174 in. thick)  
  2M-4209 [4] SPACER (.178 in. thick)  
  2M-4210 [4] SPACER (.182 in. thick)  
  2M-4211 [4] SPACER (.186 in. thick)  
  2M-4212 [4] SPACER (.190 in. thick)  
  5M-2691 [4] SPACER (.194 in. thick)  
  5M-2697 [4] SPACER (.170 in. thick)  
  5S-7189 [4] SPACER (.198 in. thick)  
    (Use as Required)
  9S-4160 [1] BEARING  
    (Part of 3N3386 Assem.)
  3N-3385 [1] RACK  
  9H-1284 [1] BEARING  
    (Part of 3N3386 Assem.)
  1M-0690 [1] SLEEVE  
    (Part of 8H9207 Assem.)
  8H-9207 [1] CAMSHAFT ASSEM.  
  3N-3386 [1] HOUSING ASSEM.  
 

#UEG0677S0169
 

8L-9650: GOVERNOR GROUP

8L9650 GOVERNOR GROUP--Part 1--Type 1
Part of 8L9651 Fuel Injection Pump and Governor Group shown on Page 76
c117668 UEG0677S
8L9650 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-4156 [1] GASKET  
2. 3S-9640 [1] LEVER ASSEM.  
3. 1S-0219 [1] BOLT  
4. 2F-4159 [1] LOCK  
5. 9M-6302 [2] WASHER  
6. 9M-6303 [1] SPRING  
7. 2S-0008 [1] SEAT  
8. 2S-0007 [1] SLEEVE  
9. 7B-8105 [1] LOCK  
10. 2N-0479 [1] WEIGHT ASSEM.  
  2N-0477 [2] WEIGHT  
11. 1S-5440 [2] DOWEL  
12. 9M-6293 [1] LOCK  
13. 1S-4741 [1] CYLINDER  
14. 0S-1615 [3] BOLT  
15. 7S-8447 [1] PISTON AND VALVE ASSEM.  
16. 7L-8777 [1] SLEEVE  
17. 8M-8997 [1] SEAL  
18. 7L-0457 [1] HOUSING ASSEM.  
19. 2S-7905 [1] PLUG  
20. 8M-8403 [1] GUIDE  
21. 9S-4671 [1] SEAL  
  9S-0798 [1] BEARING  
22. 8S-0134 [1] BEARING  
  4F-4585 [1] PLUG  
23. 3K-0810 [1] RING  
24. 7M-7219 [1] BEARING  
25. 7M-7193 [2] RACE  
26. 8M-8993 [1] RING  
27. 8M-8726 [1] DOWEL  
28. 3S-9639 [1] SEAT ASSEM.  
29. 8H-9181 [1] SPRING  
30. 8M-8739 [1] BOLT  
31. 3L-5987 [2] COVER  
32. 8L-3873 [2] GASKET  
33. 8L-4159 [1] GASKET  
34. 8L-4154 [1] COLLAR  
35. 9M-4704 [1] SCREW  
36. 8L-4155 [1] SCREW  
37. 5S-9607 [1] NUT  
38. 8L-4308 [2] BOLT (Drilled Hole)  
39. 3F-9556 [2] WASHER  
40. 2S-7289 [1] COLLAR  
41. 2S-7235 [1] SPRING  
42. 2N-4386 [1] COVER  
 

Information:

Engine News
Use 6V4089 Reamer Assembly To Clean Nozzle Bores
1981/05/20
Improved Water Separator Group Used
1982/06/16
Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/15
Special Instruction
Installation Of 9N6519 Or 1W1166 Water Separator Group{1263}
Installation Of 9N6519 Or 1W1166 Water Separator Group{1263}
Disassembly and Assembly
Fuel Injection Valves
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Fuel Ratio Control
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Valves
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Lines
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine
Improved Water Separator Group Used {1263}
1982/05/31
Be Sure To Correctly Tighten 1R-0712, 1R-0740, 1R-0749, 1R-0750, 1R-0751, 1R-0753, And 1R-0759 Fuel Filter Assemblies {1261}
1998/01/26
New Fuel Nozzles Resist Adapter Cracking And Leaking {1254}
1999/06/14

Caterpillar Parts SIS Catalog 3304 :

FILTER GP-FUEL
2N-2048 FILTER GP-FUEL
LINES GP-FLEXIBLE FUEL
3N-6668 LINES GP-FLEXIBLE FUEL
LINES GP-FLEXIBLE FUEL
3N-6668 LINES GP-FLEXIBLE FUEL
FUEL TANK AND BASE GROUP
3N-6010 FUEL TANK AND BASE GROUP
FUEL TANK AND BASE GROUP
3N-6010 FUEL TANK AND BASE GROUP
FUEL TANK AND BASE GROUP
3N-6008 FUEL TANK AND BASE GROUP
FUEL TANK AND BASE GROUP
3N-6008 FUEL TANK AND BASE GROUP
SEPARATOR GP-WATER
7N-0950 SEPARATOR GP-WATER
FILTER & PRM GP
7L-0261 FILTER & PRM GP
FUEL PRIMING PUMP ASSEMBLY
9H-2256 FUEL PRIMING PUMP ASSEMBLY
FUEL TRANSFER PUMP GROUP
7L-0543 FUEL TRANSFER PUMP GROUP
FUEL TRANSFER PUMP GROUP
4N-4878 FUEL TRANSFER PUMP GROUP
FUEL TRANSFER PUMP GROUP
2N-8603 FUEL TRANSFER PUMP GROUP
FUEL INJECTION PUMP AND GOVERNOR GROUP
8L-9651 FUEL INJECTION PUMP AND GOVERNOR GROUP
SERVICE METER GROUP
9S-8732 SERVICE METER GROUP
FUEL INJECTION PUMP GROUP
3N-3387 FUEL INJECTION PUMP GROUP

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