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3N3440 OIL FILTER GROUP--Part 1 of 3--Type 4 Serial No. 40J246-Up. FOR USE WITH EXPANSION TANK ONLY. To provide a system that allows the main engine lubrication oil filter to be changed while the engine is running. 3N3128 Valve parts are shown on Pages 85D, 85E and 85E-1 D346




LUBRICATION SYSTEM

FILTER GP-ENGINE OIL
 

#UEG0045S0500
 

3N-3440: FILTER GP-OIL

3N3440 OIL FILTER GROUP--Part 1 of 3--Type 4
Serial No. 40J246-Up. FOR USE WITH EXPANSION TANK ONLY. To provide a system that allows the main engine
lubrication oil filter to be changed while the engine is running. 3N3128 Valve parts are shown on Pages 85D, 85E and 85E-1
c217125 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5K-9235 [1] ELBOW  
2. 2B-2695 [2] BOLT  
  1D-4716 [2] NUT  
3. 3B-4505 [2] LOCKWASHER  
4. 3N-3128 Y [1] VALVE GROUP  
    (Separate Illustration)
5. 3N-6331 [1] TUBE ASSEM.  
6. 0L-2072 [1] CLIP  
7. 3N-6339 [1] COVER  
  8S-0261 [1] GASKET  
8. 5K-9243 [1] ELBOW  
9. 1A-2029 [4] BOLT  
10. 3B-4506 [24] LOCKWASHER  
11. 3N-6338 [1] COVER ASSEM.  
12. 2A-3348 [2] DOWEL  
13. 3S-2891 [1] GASKET  
14. 1B-4203 [10] NUT  
15. 6L-3616 [1] CONNECTOR  
16. 1D-4717 [1] NUT  
17. 5N-1727 C [1] TUBE ASSEM.  
18. 6J-3840 [1] JOINT ASSEM.  
  3N-1372 [2] SEAL  
19. 3N-3176 [2] CLIP  
20. 0T-0573 [7] BOLT  
21. 0T-0431 [8] WASHER  
22. 3P-0650 C [1] SEAL  
23. 3N-3023 [1] ELBOW  
24. 0L-1143 [2] BOLT  
25. 3N-3183 [1] GASKET  
26. 3N-6336 [1] TUBE ASSEM.  
27. 3L-1337 [1] ELBOW  
28. 5B-5946 C [1] PLUG  
  8F-2534 C [1] GASKET  
29. 4S-6137 [1] STUD  
30. 3N-7941 C [1] COVER  
31. 9S-8010 C [1] PLUG  
  2S-4078 C [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0045S0501
 

3N-3440: FILTER GP-OIL

3N3440 OIL FILTER GROUP--Part 2 of 3--Type 4
Serial No. 40J246-Up. FOR USE WITH EXPANSION TANK ONLY
To provide a system that allows the main engine lubrication oil filter to be changed while engine is running
c217126 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5K-9239 [1] CONNECTOR  
  1F-1651 [1] TEE  
3. 5M-6214 [1] PLUG  
4. 1A-2029 [6] BOLT  
5. 3B-4506 [18] LOCKWASHER  
6. 5M-2894 [2] WASHER  
7. 0S-1593 [4] BOLT  
  5L-5180 [4] WASHER  
8. 5N-1728 C [1] TUBE ASSEM.  
9. 3N-8053 [2] SPRING  
10. 3N-7994 [2] CUP  
11. 2N-3785 [4] GUIDE  
12. 8M-4438 [2] SEAL  
13. 1T-0550 [2] PIN  
14. 0T-0573 [7] BOLT  
15. 0T-0431 [8] WASHER  
16. 2N-8437 [1] COVER ASSEM.  
  3N-2245 [1] INSERT  
17. 2N-3583 [1] GASKET  
18. 2M-1538 [1] STUD  
19. 1D-4717 [1] NUT  
20. 0S-1591 [2] BOLT  
21. 3N-3182 [1] LOCKNUT  
  4B-5271 [1] WASHER  
22. 3N-3181 [1] HINGE  
  3N-3180 [1] DISC  
23. 1A-4599 [1] PIN  
24. 0L-1034 [2] GASKET  
  7B-0462 [4] WASHER  
25. 2H-8829 [3] PLUG  
26. 5L-3377 [1] GASKET  
27. 5S-0484 [6] ELEMENT ASSEM.  
28. 2N-3584 [1] GASKET  
29. 7L-5201 [1] GASKET  
30. 6F-7062 [1] WASHER  
31. 3N-3395 [1] BONNET  
32. 0S-1585 [6] BOLT  
33. 3B-4508 [6] LOCKWASHER  
34. 0S-1594 [1] BOLT  
35. 5P-1198 H TUBE 68.58 cm(27 in.)  
  4B-8756 [2] NUT  
36. 6N-2180 [2] GASKET  
37. 3L-1337 [1] ELBOW  
38. 9S-7712 [1] ELBOW  
39. 3N-6328 [1] TUBE ASSEM.  
40. 3N-6341 [1] VALVE ASSEM.  
41. 3N-6868 [1] LOCK  
42. 0L-1351 [1] BOLT  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETRE
 

#UEG0045S0502
 

3N-3440: FILTER GP-OIL

3N3440 OIL FILTER GROUP--Part 3 of 3--Type 4
Serial No. 40J246-Up. FOR USE WITH EXPANSION TANK ONLY. To provide a system that allows the main engine
lubrication oil filter to be changed while the engine is running. 7N8417 Filter parts are shown on Page 85-1b
c217127 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5K-9246 [1] CONNECTOR  
2. 3N-3436 [1] BRACKET ASSEM.  
3. 0S-1595 [2] BOLT  
4. 3B-4508 [6] LOCKWASHER  
5. 1F-1651 [1] TEE  
6. 5K-9241 [1] ELBOW  
7. 5K-9235 [2] ELBOW  
8. 4S-6137 [2] STUD  
  1D-4717 [2] NUT  
9. 3B-4506 [10] LOCKWASHER  
10. 0T-0431 [2] WASHER  
11. 5B-5946 C [1] PLUG  
  8F-2534 C [1] GASKET  
12. 3P-0650 C [3] SEAL  
13. 3N-6342 [1] BRACKET  
14. 3N-6353 [1] PLATE  
15. 0S-1591 [4] BOLT  
16. 5M-2894 [6] WASHER  
17. 8H-1607 [2] SEAL  
18. 5N-1725 C [1] TUBE  
19. 0S-1571 [1] BOLT  
  3L-9689 [2] WASHER  
20. 7N-8417 YC [1] FILTER ASSEM.  
    (Separate Illustration)
21. 4N-5025 [2] GAUGE (oil pressure)  
22. 9S-7712 [1] ELBOW  
23. 3N-6329 [1] TUBE ASSEM.  
24. 9B-3523 [1] ADAPTER  
25. 3N-3423 [1] BRACKET ASSEM.  
26. 7B-3235 [4] BOLT  
  4B-4280 [4] WASHER  
27. 7L-6005 [1] GASKET  
28. 2S-0795 [1] GASKET  
29. 3N-3393 [1] CONNECTOR  
30. 5M-6214 [1] PLUG  
31. 0S-1594 [1] BOLT  
32. 5N-2727 [1] TUBE ASSEM.  
33. 3N-6352 [1] PLATE (Instruction duplex oil)  
34. 1B-4203 [2] NUT  
35. 0L-2070 C [1] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0045S0503
 

3N-3128: VALVE GP-DIVERTER

3N3128 DIVERTER VALVE GROUP--Type 1
Serial No. 40J246-Up
Part of 3N3440 Oil Filter Group shown on Pages 85A, 85C-1 and 85C-4
c215250 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-8706 [1] KEY  
2. 5H-7225 [1] NUT  
3. 9M-3426 [1] LEVER  
4. 9M-2610 [1] SEAL  
5. 3N-3008 [1] GASKET  
6. 3N-3126 [1] VALVE ASSEM.  
7. 3N-3006 [1] SHAFT  
8. 4H-6996 [1] PIN  
9. 3N-3141 [1] HOUSING ASSEM.  
10. 2P-7556 [4] STUD  
11. 2M-2488 [4] STUD  
12. 2N-3561 [1] HOUSING  
13. 1S-9130 [1] STUD  
14. 1A-4599 [1] PIN  
  3N-3181 [1] HINGE  
15. 3N-3180 [1] DISC  
16. 3N-3003 [1] MANIFOLD  
17. 4L-5849 [1] GUIDE  
18. 3H-2757 [1] SPRING  
19. 3N-3182 [1] LOCKNUT  
  4B-5271 [1] WASHER  
20. 4L-5847 [1] VALVE  
21. 1J-6473 [1] RING  
22. 3N-3009 [1] GASKET  
23. 3N-3004 [1] BODY  
24. 3N-3127 [1] COVER ASSEM.  
25. 7S-2245 [1] DOWEL  
26. 3H-2617 [1] PIN  
27. 3N-3019 [1] GASKET  
28. 1D-4717 [10] NUT  
  4B-4278 [10] WASHER  
29. 3B-7329 [1] NUT  
30. 0S-1591 [1] BOLT  
 

#UEG0045S0504
 

3N-3128: VALVE GP-DIVERTER

3N3128 DIVERTER VALVE GROUP--Type 2
Serial No. 40J246-Up
Part of 3N3440 Oil Filter Group shown on Pages 85A, 85C-1 and 85C-4
c215251 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-8706 [1] KEY  
2. 5H-7225 [1] NUT  
3. 4H-9756 C [1] LEVER  
4. 9M-2610 [1] SEAL  
5. 3N-3008 [1] GASKET  
6. 3N-8623 C [1] VALVE ASSEM.  
7. 6B-6489 C [1] STUD  
8. 3N-3181 C [1] HINGE  
9. 3N-5585 C [1] HOUSING ASSEM.  
    (Includes)
10. 2P-7556 [4] STUD  
11. 2M-2488 [3] STUD  
12. 3N-8167 C [1] HOUSING  
13. 1S-9130 [1] STUD  
14. 6L-4428 [1] STUD  
15. 3N-3180 [1] DISC  
16. 3N-8120 C [1] MANIFOLD  
17. 4L-5849 [1] GUIDE  
18. 3N-4316 C [1] SPRING  
19. 3N-3182 [1] LOCKNUT  
  4B-5271 [1] WASHER  
20. 4L-5847 [1] VALVE  
21. 9H-4015 C [1] RETAINER  
22. 3N-3009 [1] GASKET  
23. 3N-3004 [1] BODY  
24. 3N-3127 [1] COVER ASSEM.  
25. 7S-2245 [1] DOWEL  
26. 3H-2617 [1] PIN  
27. 3N-3019 [1] GASKET  
28. 1D-4717 [10] NUT  
  4B-4278 [10] WASHER  
29. 3B-7329 [1] NUT  
30. 0S-1591 [1] BOLT  
31. 1A-4599 C [1] PIN  
  C   INDICATES CHANGE
 

#UEG0045S0505
 

3N-3128: VALVE GP-DIVERTER

3N3128 DIVERTER VALVE GROUP--Type 3
Serial No. 40J246-Up
Part of 3N3440 Oil Filter Group shown on Pages 85A, 85C-1 and 85C-4
c215252 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-8706 [1] KEY  
2. 5H-7225 [1] NUT  
3. 4H-9756 [1] LEVER  
4. 9M-2610 [1] SEAL  
5. 3N-3008 [1] GASKET  
6. 3N-8623 [1] VALVE ASSEM.  
7. 6B-6489 [1] STUD  
8. 3N-3181 [1] HINGE  
9. 3N-5585 [1] HOUSING ASSEM.  
    (Includes)
10. 2P-7556 [4] STUD  
11. 2M-2488 [3] STUD  
12. 3N-8167 [1] HOUSING  
13. 1S-9130 [1] STUD  
14. 6L-4428 [1] STUD  
15. 3N-3180 [1] DISC  
16. 5N-2726 C [1] MANIFOLD  
17. 4L-5849 [1] GUIDE  
18. 3N-4316 [1] SPRING  
19. 3N-3182 [1] LOCKNUT  
  4B-5271 [1] WASHER  
20. 4L-5847 [1] VALVE  
21. 9H-4015 [1] RETAINER  
22. 3N-3009 [1] GASKET  
23. 3N-3004 [1] BODY  
24. 3N-3127 [1] COVER ASSEM.  
25. 7S-2245 [1] DOWEL  
26. 3H-2617 [1] PIN  
27. 3N-3019 [1] GASKET  
28. 1D-4717 [10] NUT  
  4B-4278 [10] WASHER  
29. 3B-7329 [1] NUT  
30. 0S-1591 [1] BOLT  
31. 1A-4599 [1] PIN  
  C   INDICATES CHANGE
 

#UEG0045S0506
 

2N-4883: WATER TEMPERATURE SHUT-OFF GROUP

2N4883 WATER TEMPERATURE SHUT-OFF GROUP--Type 1
Serial No. 40J241-Up
c132072 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8996 [4] FITTING  
  8F-8997 [4] NUT  
    (1 in each 3B8996 Fitting)
2. 2N-4530 [1] TUBE  
3. 4L-7108 [1] VALVE (Shut-Off)  
4. 2N-4531 [1] TUBE  
 

#UEG0045S0507
 

2N-4883: WATER TEMPERATURE SHUT-OFF GROUP

2N4883 WATER TEMPERATURE SHUT-OFF GROUP--Type 2
Serial No. 40J241-Up
c154487 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4M-5317 C [2] BUSHING  
2. 3N-4579 C [2] HOSE ASSEM. 14 in.(35.56 cm)  
3. 4L-7108 [1] VALVE  
4. 4S-6399 C [2] CONNECTOR  
  C   INDICATES CHANGE
 

#UEG0045S0508
 

8L-9330: SAFETY SHUT-OFF AND MOUNTING GROUP

8L9330 SAFETY SHUT-OFF AND MOUNTING GROUP
Serial No. 40J241-Up
Safety Control Shut-Off parts are shown on Pages 85H, 85J and 85K. Only separate parts serviced
When complete Group is required order 1N5469 shown on Page 85G
c129332 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-5974 [1] CABLE  
2. 2N-3276 [1] BRACKET ASSEM.  
3. 7L-7750 [1] COLLAR  
4. 2K-3455 [2] PIN  
5. 2B-2695 [4] BOLT  
6. 3B-4506 [2] LOCKWASHER  
7. 4L-3776 [1] BOLT (3.75" Long)  
  7B-2742 [1] BOLT (1.25" Long)  
8. 1B-4330 [5] NUT  
  3B-4504 [5] LOCKWASHER  
9. Y [1] SAFETY SHUTOFF  
    (See Separate Illustration)
10. 3B-9400 C [1] FITTING  
11. 3B-6552 C [2] ELBOW  
12. 3B-8695 [3] BOLT  
13. 1A-2029 [2] BOLT  
14. 9M-9840 [1] CLIP  
15. 4B-6029 [1] GROMMET  
16. 2H-3755 [1] BOLT  
17. 3B-4505 [5] LOCKWASHER  
18. 7L-7120 [1] ADAPTER ASSEM.  
19. 4L-7836 [1] BEARING  
20. 5B-1866 [1] PLUG  
21. 4L-5913 [1] DOWEL  
22. 4L-7610 [1] BEARING  
23. 1L-5072 [2] DOWEL  
24. 4L-7609 [1] BEARING  
25. 4H-1994 [1] DOWEL  
    (Parts of 7L7120 Assem.)
26. 7L-0180 [1] SLEEVE  
27. 4B-9806 [1] SETSCREW  
28. 1B-8706 [1] KEY  
29. 7L-7738 [1] GEAR (8 Teeth)  
30. 6F-9091 [1] SPACER  
31. 7L-7733 [1] SHAFT  
32. 1Y-5575 [1] GASKET  
33. 1D-4716 [2] NUT  
34. 4B-4277 [4] WASHER  
35. 2N-3277 [1] BRACE  
36. 7L-7754 [1] SLEEVE  
37. 1D-4719 [1] NUT  
38. 7L-0524 [1] ADAPTER  
39. 5L-1393 C [1] HOSE ASSEM. (16" Long overall)  
  3B-7264 [1] NIPPLE  
  C   INDICATES CHANGE FROM PREVIOUS
  Y   SEPARATE ILLUSTRATION
 

#UEG0045S0509
 

1N-5469: SHUT-OFF & MOUNTING GP-SAFETY

1N5469 SAFETY OVERSPEED SHUT-OFF AND MOUNTING GROUP--Type 1
Serial No. 40J241-Up
Safety Control Shut-Off parts are shown on Pages 85H, 85J and 85K
c140022 UEG0045S
  For full view, you need register

Parts for your D346 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-5974 [1] CABLE  
2. 4N-3385 C [1] BRACKET  
3. 7L-7750 [1] COLLAR  
4. 2K-3455 [2] PIN  
5. 0S-1618 C [1] BOLT  
6. 3B-4506 C [4] LOCKWASHER  
7. 4L-3776 [1] BOLT (3.75" long)  
  7B-2742 [1] BOLT (1.25" long)  
8. 1B-4330 [5] NUT  
  3B-4504 [5] LOCKWASHER  
9. Y [1] SAFETY SHUTOFF  
    (Separate Illustration)
10. 3B-9400 [1] FITTING  
11. 3B-6552 [2] ELBOW  
12. 3B-8695 [3] BOLT  
13. 1A-2029 [2] BOLT  
14. 9M-9840 [1] CLIP  
15. 4B-6029 [1] GROMMET  
16. 2H-3755 [1] BOLT  
17. 3B-4505 C [2] LOCKWASHER  
18. 1N-7524 [1] ADAPTER ASSEM.  
19. 4L-7836 [1] BEARING  
20. 5B-1866 [1] PLUG  
21. 4L-5913 [1] DOWEL  
22. 4L-5731 [1] BEARING  
23. 1L-5072 [2] DOWEL  
24. 4L-6798 [1] BEARING  
25. 4H-1994 [1] DOWEL  
26. 7L-0180 [1] SLEEVE  
27. 4B-9806 [1] SETSCREW  
28. 1B-8706 [1] KEY  
29. 7L-7738 [1] GEAR (8 Teeth)  
30. 6F-9091 [1] SPACER  
31. 7L-7733 [1] SHAFT  
32. 1Y-5575 [1] GASKET  
33. 0S-1591 C [2] BOLT  
34. 5L-1393 [1] HOSE ASSEM. (16" long overall)  
  3B-7264 [1] NIPPLE  
35. 4N-3386 C [1] BRACKET  
36. 7L-7754 [1] SLEEVE  
37. 1D-4719 [1] NUT  
38. 7L-0524 [1] ADAPTER  
39. 1L-5081 C [2] SPACER  
40. 1D-4716 C [1] NUT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Specifications
Oil Lines
D346 INDUSTRIAL & MARINE ENGINES
Oil Filter Systems
D346 INDUSTRIAL & MARINE ENGINES
Duplex Oil Filter
D346 INDUSTRIAL & MARINE ENGINES
Disassembly and Assembly
Oil Cooler Bypass Valve
D346 INDUSTRIAL ENGINE
Engine Oil Cooler
D346 INDUSTRIAL ENGINE
Oil Filter Housing
D346 INDUSTRIAL ENGINE
Oil Filter Housing
D346 Marine Engine
Service Magazine

Caterpillar Parts SIS Catalog D346 :

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