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5N5122 FUEL FILTER & PRIMING PUMP GROUP--PART 2 of 2 Part Of 3N9387 Duplex Fuel Filter System Listed On Page 148C 7N8599 Pump & 5N5121 Valve Body Parts Are Shown On Pages 43 & 148F.01 D399




FUEL SYSTEM

FILTER GP-FUEL
 

#UEG0637S1140
 

5N-5122: FILTER GP-PRIMING PUMP & FUEL

5N5122 FUEL FILTER & PRIMING PUMP GROUP--PART 2 of 2
Part Of 3N9387 Duplex Fuel Filter System Listed On Page 148C
7N8599 Pump & 5N5121 Valve Body Parts Are Shown On Pages 43 & 148F.01
c223634 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3299 [2] COVER ASSEM.  
    (Each Includes)
  4B-4423 [1] RIVET  
2. 2J-4045 [1] SPRING  
3. 2A-3696 [1] PLUG  
4. 2N-3295 [2] GASKET  
5. 4H-8792 [7] ELEMENT ASSEM  
6. 1D-4541 [1] BOLT  
7. 9M-1974 [5] WASHER  
8. 5N-5121 Y [1] BODY ASSEM.  
    (Separate Illustration)
9. 1D-4539 [3] BOLT  
10. 7N-8599 Y [1] PUMP GROUP  
    (Separate Illustration)
11. 7N-3723 [1] CLAMP  
12. 6D-4972 [3] SPACER  
13. 1D-4716 [1] NUT  
14. 0S-0509 [2] BOLT  
15. 5N-5119 [2] BRACKET  
16. 3N-8842 [2] FILM (warning English)  
  3N-9308 [2] FILM (warning Spanish)  
17. 2N-3816 [1] BRACKET  
18. 0S-1594 [2] BOLT  
19. 3N-1347 [1] GASKET  
20. 1D-4717 [4] NUT  
21. 5M-6213 [2] PLUG  
22. 1A-2029 [8] BOLT  
23. 6H-8542 [2] PLUG  
  2A-1913 [2] GASKET  
24. 8M-2483 [2] SPRING  
  8M-0874 [2] PLUNGER ASSEM.  
25. 0L-1351 [2] BOLT  
26. 5M-2894 [18] WASHER  
27. 3N-1350 [1] BRACKET  
28. 9L-1321 [4] STUD  
  Y   SEPARATE ILLUSTRATION
 

#UEG0637S1141
 

3N-2651: BODY AS-VALVE

3N2651 VALVE BODY ASSEMBLY
Part of 3N9393 Fuel Filter and Priming Pump Group shown on Page 148E
c206970 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8006 [1] PLUG  
2. 2M-9780 [1] SEAL  
3. 4M-9640 [1] PLUG  
4. 6B-7020 [1] WASHER  
5. 8M-8597 C [1] SPRING  
6. 1F-5842 C [1] BOLT  
7. 3B-4505 [2] LOCKWASHER  
8. 1B-2790 C [1] BOLT  
9. 5M-6213 [1] PLUG  
10. 2S-7905 [1] PLUG  
11. 3N-1359 [1] BODY  
12. 3N-6497 C [1] BODY ASSEM.  
13. 2H-7689 [1] DOWEL  
14. 3N-1427 [1] BOOT  
15. 4B-9880 [1] BALL  
16. 2S-3992 [1] SPRING  
17. 0S-1594 C [1] BOLT  
  1B-2578 C [1] NUT  
18. 3N-1353 [1] ROD  
19. 2M-8191 [1] RING  
20. 3N-1361 [1] VALVE  
21. 6H-1810 [1] DOWEL  
22. 2M-4453 [1] SEAL  
23. 3N-1348 [1] GASKET  
24. 3N-6690 C [1] SPRING  
25. 2N-3297 [1] VALVE  
26. 3J-5389 [1] PLUG  
  C   INDICATES CHANGE
 

#UEG0637S1142
 

5N-5121: BODY AS-VALVE

5N5121 VALVE BODY ASSEMBLY
Part Of 5N5122 Fuel Filter & Priming Pump
c223635 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8006 [1] PLUG  
2. 2M-9780 [1] SEAL  
3. 2B-2695 [2] BOLT  
4. 9M-1974 [4] WASHER  
5. 1S-7106 [1] COVER  
  1S-7107 [1] GASKET  
6. 5N-5337 [1] SPRING  
7. 2B-0858 [1] PLUG  
8. 1D-4540 [1] BOLT  
9. 1B-2790 [1] BOLT  
10. 5M-6213 [1] PLUG  
11. 5N-5120 [1] ADAPTER  
12. 3N-6497 [1] BODY ASSEM.  
    (Includes)
13. 2H-7689 [1] DOWEL  
14. 3N-1427 [1] BOOT  
15. 4B-9880 [1] BALL  
16. 2S-3992 [1] SPRING  
17. 0S-1594 [1] BOLT  
  1B-2578 [1] NUT  
18. 3N-1353 [1] ROD  
19. 2M-8191 [1] RING  
20. 3N-1361 [1] VALVE  
21. 6H-1810 [1] DOWEL  
22. 2M-4453 [1] SEAL  
23. 3N-1348 [1] GASKET  
24. 7H-3171 [1] PLUG  
25. 1S-3267 [1] PLUNGER ASSEM.  
 

#UEG0637S1143
 

8H-7204: FILTER GP-FUEL

8H7204 PRIMARY FUEL FILTER GROUP
c100914 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8H-2807 [1] NUT  
  2A-1162 [1] GASKET  
  1L-3769 [1] RING  
  7H-9680 [1] COVER  
  8H-2778 [1] GASKET  
  9M-2342 [1] ELEMENT ASSEM. (WASHABLE)  
  8H-7202 [1] CASE ASSEM.  
  7H-9678 [1] RETAINER  
  2H-3429 [1] RING  
  7S-9323 [1] SPRING  
 

#UEG0637S1144
 

3N-3686: LINES GP-FLEXIBLE FUEL

3N3686 FLEXIBLE FUEL LINES GROUP
Only separate parts serviced. When complete Group is required order 3N6668
shown on Pages 148B & 148B-1
c115276 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [2] HOSE ASSEM.  
  [2] UNION  
 

#UEG0637S1145
 

2N-2048: FILTER GP-FUEL

2N2048 CRUDE FUEL FILTER GROUP
Also part of 3N3501 Heavy Distillate Fuel Arrangement listed on Page 150
Arrangement listed on Page 150
c112510 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2A-1927 [1] VALVE ASSEM.  
  2A-5779 [1] SEAT  
2. 0L-1213 [1] GASKET  
3. 3B-6496 [2] ELBOW  
4. 2H-7254 [2] ELEMENT  
5. 2N-2045 [1] HOUSING ASSEM.  
6. 5F-1678 [2] SEAL  
7. 3H-1778 [1] GASKET  
8. 3B-7744 [4] NIPPLE  
9. 0L-1351 [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
10. 2N-2046 [3] COUPLING ASSEM.  
11. 2N-2047 [6] PIPE  
12. 2H-5869 [3] COCK  
13. 5B-8979 [3] TEE  
  3J-5389 BF [3] PLUG  
  B   USE AS REQUIRED
  F   NOT SHOWN
 

#UEG0637S1146
 

3N-3501: FUEL AR-HEAVY DISTILLATE

3N3501 FUEL AR--HEAVY DISTILLATE--PART 1 OF 2--Type 1
Type 1. Factory Installation. For Use Without Surge Tank
Note: Cannot Be Used With 1W8278, 2W2368 Or 2W2369
Instrument Panel Gps. An Attachment
UEG0637S1146 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2H-5864 Y [1] VENT TRAP GROUP  
  4L-8232 Y [1] FUEL PRIMING PUMP ASSEMBLY  
  2N-2048 Y [8] FILTER GROUP  
  8H-5137 [1] SEALING COMPOUND  
  [1] PRINT OF PRECONDITIONING INSTRUCTIONS  
  [1] PRINT OF INSTALLATION DRAWING  
  2N-3240 [1] BRACKET ASSEMBLY -VENT TRAP TO FUEL REGULATOR HSG.  
  7F-1866 [2] BOLT BRACKET BAND TO VENT TRAP  
  3B-4506 [2] LOCKWASHER -3/8" BRACKET BAND TO VENT TRAP  
  1D-4717 [2] NUT BRACKET BAND TO VENT TRAP  
  6L-9536 [1] HOUSING FUEL REGULATOR  
  4L-8215 [1] GASKET BYPASS COVER  
  5L-3252 [1] COVER BYPASS R. H. SIDE REGULATOR HSG.  
  0S-1594 [2] BOLT BYPASS COVER TO REGULATOR HSG.  
  3B-4506 [2] LOCKWASHER -3/8" BYPASS COVER TO REGULATOR HOUSING  
  4L-6773 [1] SPRING BYPASS COVER TO PLUNGER  
  6L-4888 [1] PLUNGER ASSEMBLY BYPASS  
  1H-3933 [2] WINDOW BLEEDER VALVE  
  2A-3885 [1] GASKET BLEEDER VALVE  
  6L-9535 [1] SEAT BLEEDER VALVE  
  6L-9538 [1] NEEDLE ASSEMBLY  
  5F-9144 [1] SEAL NEEDLE ASSEMBLY  
  5M-6214 [1] PLUG FRONT  
  3J-5389 [1] PLUG FRONT  
  5B-6009 [1] BUSHING TOP & REAR  
  2F-4662 [1] FITTING TOP-BLEEF OVERFLOW  
  3N-3499 [1] TUBE BLEED OVERFLOW  
  8B-6127 [2] CLIP BLEED OVERFLOW TUBE  
  5L-2904 [1] GASKET FUEL REGULATOR HSG. TO COVER  
  6L-9537 [1] COVER FUEL REGULATOR HSG. BOTTOM  
  3N-3496 [1] BRACKET ASSEMBLY FUEL REGULATOR MTG.  
  7H-7954 [2] BOLT HOUSING -LEFT SIDE  
  1C-2251 [3] BOLT HOUSING -RIGHT SIDE & FRONT COVER  
  0S-1571 [1] BOLT HOUSING -CENTER REAR  
  1D-4717 [6] NUT HOUSING  
  3B-4506 [6] LOCKWASHER 3/8" - HOUSING  
  0S-1594 [4] BOLT FUEL REGULATOR BRACKET TO BRACKET  
  2N-3816 [2] BRACKET FUEL FILTER HOUSING  
  9L-1321 [4] STUD FUEL FILTER HOUSING  
  3B-4506 [8] LOCKWASHER 3/8" -BRACKET  
  1D-4717 [8] NUT  
  8B-2664 [1] BUSHING REDUCING -VENT TRAP SIDE  
  2L-5975 [1] FITTING VENT TRAP SIDE  
  3N-3500 [1] TUBE VENT TRAP WATER  
  4M-0857 [1] FITTING ENGINE WATER MANIFOLD  
  Y   SEPARATE ILLUSTRATION
 

#UEG0637S1147
 

3N-3501: FUEL AR-HEAVY DISTILLATE

3N3501 FUEL AR-HEAVY DISTILLATE-PART 2 OF 2-Type 1
Type 1. Factory Installation. For Use Without Surge Tank
Note: Cannot Be Used With 1W8278, 2W2368 Or 2W2369
Instrument Panel Gps. An Attachment
UEG0637S1147 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2N-2076 [1] PLAGE-INJECTION PUMP HOUSING  
  4L-8132 [1] GASEKT-INJECTION PUMP PLATE  
  6B-7639 [1] SERVICE TEE-INJECTION PUMP PLATE  
  3B-7721 [1] BUSHING-SERVICE TEE TOP  
  3B-8153 [1] FITTING-SERVICE TEE TOP TO GAGE  
  2N-5893 [1] TUBE-FUEL PRESSURE GAGE R.H.  
  2N-5894 [1] TUBE-FUEL PRESSURE GAGE L.H.  
  2B-2404 [2] CLIP-FUEL PRESSURE GAGE TUBE  
  9B-1348 [1] FITTING-FUEL GAGE TUBE TO HOSE  
  1Y-0263 [1] COUPLING-REDUCING-REAR VENT TRAP NIPPLE  
  4K-4194 [2] FITTING-COUPLING & SERVICE TEE SIDE  
  3N-3498 [1] TUBE-VENT TRAP TO INJECTION PUMP PLATE  
  3B-8404 [1] CLIP-VENT TRAP TO INJECTION PUMP TUBE  
  7B-1598 [1] CLIP-VENT TRAP TO INJECTION PUMP TUBE  
  1L-4757 [1] FLANGE-INJECTION PUMP BLEED  
  4L-8144 [1] GASKET-INJECTION PUMP BLEED FLANGE  
  1A-2029 [2] BOLT-INJECTION PUMP BLEED FLANGE  
  3B-4506 [2] LOCKWASHER-3/8" INJECTION PUMP BLEED FLANGE  
  5B-6009 [2] BUSHING-REDUCING-INJECTION PUMP BLEED FLANGE & REG. HSG.  
  2F-4662 [2] FITTING-INJECTION PUMP BLEED TUBE  
  3N-3497 [1] TUBE-INJECTION PUMP BLEED  
  8B-6127 [2] CLIP-INJECTION PUMP BLEED TUBE  
  2R-6876 [1] VALVE-3 WAY-COMMON PORT TO FORWARD VENT TRAP NIPPLE  
  4K-4194 [1] FITTING-FUEL REGULATOR HOUSING-REAR  
  3N-3505 [1] TUBE-TRANSFER PUMP TO REGULATOR HSG.  
  2B-3243 [6] CLIP  
  6L-4590 [1] LEVER-PRIMING PUMP OPERATING  
  4B-3572 [1] SET SCREW-PRIMING PUMP OPERATING LEVER  
  7L-0270 [1] BRACKET  
  1A-2209 [4] BOLT-PRIMING PUMP TO BRACKET  
  3B-4506 [4] LOCKWASHER-3/8" PRIMING PUMP TO BRACKET  
  1B-4203 [4] NUT PRIMING PUMP TO BRACKET  
  0L-1178 [2] BOLT BRACKET TO L.H. SUPPORT RAIL  
  3B-4512 [2] LOCKWASHER-3/4" BRACKET TO L.H. SUPPORT RAIL  
  1B-4331 [2] NUT BRACKET TO L.H. SUPPORT RAIL  
  3B-7280 [1] NIPPLE PRIMING PUMP BOTTOM  
  6F-0496 [1] TEE CUSTOMERS FUEL INLET CONNECTION  
  8B-2664 [2] BUSHING-TEE & PRIMING PUMP TOP  
  1F-9269 [3] FITTING-TEE & PRIMING PUMP TOP  
  3K-7486 [1] FITTING-TRANSFER PUMP OUTLET (BOTTOM)  
  3N-3507 [1] TUBE-PRIMING PUMP BOTTOM TO TRANSFER TO PUMP  
  3N-3506 [1] TUBE-PRIMING PUMP TOP TO TRANSFER PUMP BOTTOM  
 

#UEG0637S1148
 

3N-3501: FUEL AR-HEAVY DISTILLATE

3N3501 HEAVY DISTILLATE FUEL ARRANGEMENT--Part 1 of 3--Type 2
FOR USE WITHOUT SURGE TANK
UEG0637S1148 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2H-5864 Y [1] VENT TRAP GROUP  
  4L-8232 Y [1] FUEL PRIMING PUMP ASSEMBLY  
  2N-2048 Y [8] FILTER GROUP  
  8H-5137 [1] SEALING COMPOUND  
  [1] PRINT OF PRECONDITIONING INSTRUCTIONS  
  [1] PRINT OF INSTALLATION DRAWING  
  2N-3240 [1] BRACKET ASSEMBLY VENT TRAP TO FUEL REG. HSG.  
  7F-1866 [2] BOLT BRACKET BAND TO VENT TRAP  
  3B-4506 [2] LOCKWASHER BRACKET BAND TO VENT TRAP  
  1D-4717 [2] NUT BRACKET BAND TO VENT TRAP  
  6L-9536 [1] HOUSING FUEL REGULATOR  
  4L-8215 [1] GASKET BYPASS COVER  
  5L-3252 [1] COVER BYPASS R.H. SIDE REG. HSG.  
  0S-1594 [2] BOLT BYPASS COVER TO REG. HSG.  
  3B-4506 [2] LOCKWASHER BYPASS COVER TO REG. HSG.  
  4L-6773 [1] SPRING BYPASS COVER TO PLUNGER  
  6L-4888 [1] PLUNGER ASSEMBLY BYPASS  
  1H-3933 [2] WINDOW BLEEDER VALVE  
  2A-3885 [1] GASKET BLEEDER VALVE  
  6L-9535 [1] SEAT BLEEDER VALVE  
  6L-9538 [1] NEEDLE ASSEMBLY  
  5F-9144 [1] SEAL NEEDLE ASSEMBLY  
  5M-6214 [1] PLUG FRONT  
  3J-5389 [1] PLUG FRONT  
  3B-7722 C [1] BUSHING TOP AND REAR  
  2F-4662 [1] FITTING TOP BLEED OVERFLOW  
  3N-8073 C [1] TUBE BLEED OVERFLOW  
  8B-6127 [2] CLIP BLEED OVERFLOW TUBE  
  5L-2904 [1] GASKET FUEL REG. HSG. TO COVER  
  6L-9537 [1] COVER FUEL REG. HSG. BOTTOM  
  3N-3496 [1] BRACKET ASSEMBLY FUEL REG. MOUNTING  
  7H-7954 C [3] BOLT HOUSING LEFT SIDE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0637S1149
 

3N-3501: FUEL AR-HEAVY DISTILLATE

3N3501 HEAVY DISTILLATE FUEL ARRANGEMENT--Part 2 of 3--Type 2
FOR USE WITHOUT SURGE TANK
UEG0637S1149 UEG0637S
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Parts for your D399 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1C-2251 [3] BOLT HOUSING RIGHT SIDE AND FRONT CENTER  
  0S-1571 [1] BOLT HOUSING CENTER REAR  
  1D-4717 [6] NUT HOUSING  
  3B-4506 [6] LOCKWASHER HOUSING  
  0S-1594 [4] BOLT FUEL REG. BRACKET TO BRACKET  
  2N-3816 [2] BRACKET FUEL FILTER HOUSING  
  9L-1321 [4] STUD FUEL FILTER HOUSING  
  3B-4506 [8] LOCKWASHER BRACKET  
  1D-4717 [8] NUT  
  8B-2664 [1] BUSHING REDUCING VENT TRAP BOTTOM  
  4M-0857 C [1] FITTING VENT TRAP BOTTOM  
  3N-3500 [1] TUBE VENT TRAP WATER  
  4M-0857 [1] FITTING ENGINE WATER MANIFOLD  
  2N-2076 [1] PLATE INJECTION PUMP HOUSING  
  4L-8132 [1] GASKET INJECTION PUMP PLATE  
  5B-3428 C [2] WASHER PRIMING PUMP BRACKET TO RAIL  
  4L-8546 C [2] VALVE CHECK PRIMING PUMP TOP AND TEE FRONT  
  8L-5294 C [2] ADAPTER PIPE VALVE TO TUBE FITTING  
  2B-3470 C [1] NIPPLE BY PASS COVER REAR  
  3B-6496 C [1] ELBOW NIPPLE CUSTOMER FUEL RETURN  
  2H-1743 C [2] CLIP  
  2B-3243 C [1] CLIP  
  9M-7649 C [2] BRACKET  
  2H-0435 C [4] CLAMP  
  6B-7639 [1] SERVICE TEE INJECTION PUMP PLATE  
  3B-7721 [1] BUSHING SERVICE TEE TOP  
  8B-8153 [1] FITTING SERVICE TEE TOP TO GAGE  
  2N-5893 [1] TUBE FUEL PRESSURE GAGE R.H.  
  2N-5894 [1] TUBE FUEL PRESSURE GAGE L.H.  
  2B-2404 [2] CLIP FUEL PRESSURE GAGE TUBE  
  9B-1348 [1] FITTING FUEL GAGE TUBE TO HOSE  
  1Y-0263 [1] COUPLING REDUCING REAR VENT TRAP NIPPLE  
  C   INDICATES CHANGE
 

Information:

Engine News
A New Specification Has Been Issued for the Primary Fuel Filter Filtration {1260}
A New Specification Has Been Issued for the Primary Fuel Filter Filtration {1260}
Special Instruction
Installation Of 8N6287 Fuel Priming Knob Kit{1258}
Installation Of 8N6287 Fuel Priming Knob Kit{1258}
Specifications
Fuel Control Valve
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
20 GPM Portable Fuel Filtration System {0374, 0599, 0706, 1250, 1256, 1261}
20 GPM Portable Fuel Filtration System {0374, 0599, 0706, 1250, 1256, 1261}
Disassembly and Assembly
Fuel Priming Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Fuel Filter Housing
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine

Caterpillar Parts SIS Catalog D399 :

Truck sale:

 
 
Caterpillar D399
- Industrial engines
WHEELER MACHINERY CO.
130.000 
Caterpillar D399, Industriemaschinen, Bau-Und Bergbauausrüstung
- Industrial engines
LOUISIANA CAT POWER SYSTEMS
USD $12,000 
CAT D399

L&K Machinery
USD $8,995 
CAT D399

Surplus Heavy Equipment & Parts
Long Branch, New Jersey
 
 
CAT D399

Yoder & Frey Auctioneers
Ashland, Ohio
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