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WATER LINES (4L8777 N/S)--Part 1 of 2 Serial No. 67B1206-Up Note: 6F6041 Rust Inhibitor is available. Refer also to Pages 100, 101, 102 & 107 for special parts D398A


COOLING SYSTEM
LINES GP-WATER
AIR INLET AND EXHAUST SYSTEM
AIR CLEANER GP
TURBOCHARGER GP

MARINE ENGINE D398A MARINE ENGINE 67B
 D398B MARINE ENGINE 67B00920-01390 UEG0047S D398A 67B   (1961)

COOLING SYSTEM

LINES GP-WATER
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
LINES GP-WATER
6L-8994 LINES GP-WATER
SEA WATER LINES
2N-1643 SEA WATER LINES
 

#UEG0047S0010
 

4L-8777: WATER LINES

WATER LINES (4L8777 N/S)--Part 1 of 2
Serial No. 67B1206-Up
Note: 6F6041 Rust Inhibitor is available. Refer also to Pages 100, 101, 102 & 107 for special parts
c133940 UEG0047S
4L8777 WATER LINES Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-4484 [1] TUBE (VENT)  
  1L-0477 [2] FITTING  
  4H-2495 [2] NUT  
  4H-2494 [2] SLEEVE  
    (1 OF EACH IN EACH FITTING 1L477)
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  6L-5366 [1] GASKET  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9M-9647 [1] SEAL  
  4L-6826 [1] ELBOW  
  3H-2652 [1] SEAL  
  5L-2088 [1] TUBE ASSEM.  
  2N-7599 [1] TUBE ASSEM.  
  6L-4552 [2] CLAMP  
  9M-5242 [1] HOSE  
  5L-1735 [1] ELBOW  
    (PART OF 2N7599 ASSEM.)
  0S-1588 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4L-5832 [1] GASKET  
    (TO WATER PUMP)
  4L-8734 [1] PIPE  
  9M-4217 [1] SEAL  
  4L-6731 [1] ELBOW  
  4L-8128 [2] GASKET  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  6L-5366 [1] GASKET  
  4L-7888 [1] TUBE ASSEM.  
  1A-8651 [2] BOLT  
  3B-4510 [2] LOCKWASHER  
  4L-6215 [1] ELBOW  
  0S-1619 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4L-6216 [1] GASKET  
 

#UEG0047S0011
 

4L-8777: WATER LINES

WATER LINES (4L8777 N/S)--Part 2 of 2
Serial No. 67B1206-Up
c133941 UEG0047S
4L8777 WATER LINES Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4L-8128 [1] GASKET  
  4L-6786 [1] BOX  
  4L-8728 [2] COVER  
  4L-8128 [2] GASKET  
  2N-7616 [1] FLANGE  
  5L-6456 [1] GASKET  
  0S-1587 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  0S-0509 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  8L-8185 [1] BRACKET  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5L-2708 [1] COVER ASSEM.  
  4L-8644 [1] GASKET  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5M-6213 [1] PLUG  
  6L-5567 [1] GASKET  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4S-0405 [1] COUPLING ASSEM.  
  7K-8466 [2] SEAL ASSEM.  
    (PART OF 4S405 ASSEM.)
  2N-7602 [1] TUBE ASSEM.  
  4B-3576 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  2N-7604 [1] FLANGE  
  3H-5939 [1] GASKET  
  7L-0560 [1] BRACKET  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2N-7605 [1] FLANGE  
  4L-8644 [1] GASKET  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  6L-3792 [1] TANK  
  0S-1591 [4] BOLT (1.50" LONG)  
  3B-4506 [4] LOCKWASHER  
  3J-5389 [1] PLUG  
  4L-8644 [1] GASKET  
 

#UEG0047S0012
 

6L-8994: LINES GP-WATER

6L8994 RAW WATER LINES GROUP
Serial No. 67B920 to 67B1036 inclusive
c96265 UEG0047S
6L8994 LINES GP-WATER Parts scheme
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-4718 [1] TUBE  
2. 6L-4724 [3] CLIP  
3. 6L-3930 [1] HOSE  
4. 6L-8762 [1] ELBOW  
5. 6L-8964 [2] HOSE  
6. 6L-9018 [2] ELBOW  
7. 9M-0164 [2] CLAMP  
8. 6L-4757 [1] HOSE  
9. 5B-9169 [2] PLUG (Brass)  
10. 2J-1737 [4] CLAMP  
11. 5L-9917 [1] ADAPTER  
12. 0S-1591 [11] BOLT  
  3B-4506 [11] LOCKWASHER  
13. 6L-2288 [2] ROD (Zinc)  
14. 6L-4725 [2] CLAMP  
 

#UEG0047S0013
 

2N-1643: SEA WATER LINES

SEA WATER LINES (2N1643 N/S)
Serial No. 67B1037 to 67B1205 inclusive
c126978 UEG0047S
2N1643 SEA WATER LINES Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-4718 [1] TUBE  
2. 6L-4724 [3] CLIP  
3. 6L-4725 [2] CLAMP  
4. 6L-8762 [1] ELBOW  
5. 6L-8964 [2] HOSE  
6. 6L-9018 [1] ELBOW  
7. 6L-4757 [1] HOSE  
8. 1N-9905 [1] ELBOW  
9. 5B-9169 [2] PLUG  
10. 2N-1543 [2] GASKET  
11. 2D-2285 [4] BOLT  
  1D-4717 [4] NUT  
12. 3B-4506 [15] LOCKWASHER  
13. 5L-9917 [1] ADAPTER  
14. 2J-1737 [4] CLAMP  
15. 6L-2286 [2] PLUG (Use as required)  
16. 1N-9907 [1] PLATE  
17. 1N-9908 [1] FLANGE  
18. 6L-2288 [2] ROD  
19. 0S-1591 [11] BOLT  
20. 9M-0164 [2] CLAMP  
21. 6L-3930 [1] HOSE  
 

#UEG0047S0014
 

2N-7596: LINES GP

SEA WATER LINES (2N7596 N/S)
Serial No. 67B1206-Up
c133944 UEG0047S
2N7596 LINES GP Parts scheme
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-7408 [1] SEAL  
2. 6L-4724 [3] CLIP  
3. 2N-7597 [1] TUBE ASSEM.  
  4L-9564 [1] SEAL  
4. 2N-1642 [1] ELBOW  
5. 5B-9169 [2] PLUG  
6. 2N-1543 [1] GASKET  
7. 2D-2285 [4] BOLT  
8. 1D-4717 [8] NUT  
9. 3B-4506 [19] LOCKWASHER  
10. 2N-7595 [1] FLANGE  
11. 2N-7601 [1] FLANGE  
12. 0S-1571 [4] BOLT  
13. 4L-5832 [1] GASKET  
14. 1N-9907 [1] PLATE  
15. 2N-1543 [1] GASKET  
    (Used With Marine Gear)
16. 6L-2288 [2] ROD  
17. 6L-2286 [2] PLUG  
    (Used Without Marine Gear)
18. 0S-1591 [11] BOLT  
 

#UEG0047S0015
 

2N-3322: GAUGE GP-AIR CLEANER

AIR FILTER INDICATOR (2N3322 N/S)--2 Required
Serial No. 67B1110-Up
c140140 UEG0047S
2N3322 GAUGE GP-AIR CLEANER Parts scheme
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-3233 [1] FITTING (Safety)  
2. 3B-6552 [1] ELBOW  
3. 7S-0687 [1] INDICATOR  
 

#UEG0047S0016
 

7L-8675: ADAPTER GP-AIR CLEANER

7L8675 AIR CLEANER INLET ADAPTER GROUP--2 Required
Serial No. 67B1110-Up
c111242 UEG0047S
7L8675 ADAPTER GP-AIR CLEANER Parts scheme
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [8] RETAINER  
2. 2A-0762 [8] BOLT  
3. 7L-6435 [1] GASKET  
4. 7L-6437 [1] ADAPTER ASSEM.  
5. 6L-4711 [1] CLAMP ASSEM.  
    (Part of 7L6437 Adapter Assem.)
6. 0S-1617 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  5M-5693 [1] WASHER  
7. 6L-4691 [1] CLIP  
 

#UEG0047S0017
 

7L-6549: AIR CLEANER GP

AIR CLEANER (7L6549 N/S)
Serial No. 67B920 to 67B1184 inclusive. Refer also to Page 94 for special parts
c114857 UEG0047S
7L6549 AIR CLEANER GP Parts scheme
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [4] SUPPORT  
2. [2] FILTER PANEL  
3. [2] COVER ASSEM.  
4. [4] BOLT  
5. [2] BOLT  
6. [30] NUT  
7. [34] LOCKWASHER  
8. [2] HOUSING ASSEM.  
9. [2] PLUG  
10. C [2] BRACE  
11. [2] BOLT  
  [2] NUT  
12. [16] PLUG (Button)  
13. [16] BOLT  
14. [8] BOLT  
15. [4] WASHER  
  [8] SPACER  
16. [4] BOLT  
17. [2] CHANNEL  
  C   INDICATES CHANGE
 

#UEG0047S0018
 

2N-7263: AIR CLEANER GP

AIR CLEANER (2N7263 N/S)
Serial No. 67B1185-Up
c138419 UEG0047S
2N7263 AIR CLEANER GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7L-6422 [4] SUPPORT  
2. 6L-4714 [2] FILTER PANEL  
3. 2N-3975 [2] COVER ASSEM.  
4. 1A-5964 [4] BOLT  
5. 0L-1351 [2] BOLT  
6. 1D-4717 [30] NUT  
7. 3B-4506 [34] LOCKWASHER  
8. 7L-6428 [2] HOUSING ASSEM.  
9. 5M-6214 [2] PLUG  
10. 3N-0881 [2] BRACE  
11. 0S-1595 [2] BOLT  
  1D-4719 [2] NUT  
12. 2N-7003 [2] FILTER  
13. 0S-0509 [16] BOLT  
14. 0T-0055 [8] BOLT  
15. 4B-4278 [4] WASHER  
  7L-6463 [8] SPACER  
16. 0S-1571 [4] BOLT  
17. 6L-9438 [2] CHANNEL  
 

#UEG0047S0019
 

6L-2493: TURBOCHARGER GP

TURBOCHARGES (6L2493 N/S)--Rear View
Serial No. 67B920 to 1063, 1065 to 1098, 1103 to 1110, 1112, 1113 & 67B1116 to 67B1125 inclusive
2S2489 Turbocharger parts are shown on Page 15. Refer also to Pages 95 through 98 & 106 for special parts
c130919 UEG0047S
6L2493 TURBOCHARGER GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-5174 [1] PLUG  
2. 6L-2960 [4] RING  
3. 5L-9738 [2] COUPLING  
4. 6L-2961 [4] RING  
5. 9M-9939 [8] LOCK  
6. 2S-2489 Y [2] TURBOCHARGER ASSEM.  
    (See Separate Illustration)
7. 7L-3195 [8] BOLT  
  8M-2296 [8] NUT  
8. 8L-5975 [1] TUBE  
9. 1S-4295 [2] GASKET  
10. 5L-4172 [1] PIPE (Exhaust)  
11. 9B-0887 [2] PLUG (Drain)  
12. 0S-1587 [12] BOLT  
  1B-5357 [12] NUT  
13. 6L-2810 [1] TUBE  
14. 1L-1118 [4] FITTING  
  8F-8998 [4] NUT  
    (1 in each 1L1118 Fitting)
15. 2B-1738 [8] LOCK  
16. 5L-3773 [1] GASKET  
17. 5L-4182 [1] EXTENSION  
18. 7L-7160 [2] HOSE  
19. 4J-8536 [2] CLAMP  
20. 4L-7932 [2] CLAMP  
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Polarity Connections And Use Of Service Meter Films When Service Meter Kits Are Installed
1987/05/01
New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum
1977/01/28
Inner Member Of Caterpillar Coupling Must Be Restrained If The Connection To The Inner Member Is Removed
1978/01/18
Specifications
Water Temperature Regulators<BR> 6L5851 and 9N2894 Regulator:
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Disassembly and Assembly
Water Temperature Regulators
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Coolant Level Switch Used{7470,1354}
1982/10/18
New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17
Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit{1395,0786}
1987/03/23
5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23
Improved Seal Used Between Impeller And Bearings On Water Pump Shaft{1361,1371}
1978/01/09
Inner Member Of Caterpillar Coupling Must Be Restrained If The Connection To The Inner Member Is Removed{3252}
1978/01/09
How To Identify Failures To Electric Jacket Water Heaters{1383}
1988/04/18
New Publication Available-&quot;Coolant And Your Engine&quot;{1395,0374,0375}
1989/02/13
New Nut In Fresh And Raw Water Pumps Has More Corrosion Resistance{1371}
1989/02/13
Engine Coolant Can Be Recycled{1395}
1989/11/13

Caterpillar Parts SIS Catalog D398A :

WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
WATER LINES
4L-8777 WATER LINES
PUMP GP-WATER
7L-3222 PUMP GP-WATER
SEA WATER PUMP GROUP
6L-4754 SEA WATER PUMP GROUP
WATER LINES
4L-8777 WATER LINES
LINES GP-WATER
6L-8994 LINES GP-WATER
SEA WATER LINES
2N-1643 SEA WATER LINES
LINES GP
2N-7596 LINES GP
GAUGE GP-AIR CLEANER
2N-3322 GAUGE GP-AIR CLEANER
ADAPTER GP-AIR CLEANER
7L-8675 ADAPTER GP-AIR CLEANER
AIR CLEANER GP
7L-6549 AIR CLEANER GP
AIR CLEANER GP
2N-7263 AIR CLEANER GP

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