Komatsu S6D155-4AA Cylinder Block Parts Hub

Komatsu S6D155-4AA Cylinder Block Parts is a focused 19PARTS hub for buyers working inside a specific Komatsu engine model and repair system. It is meant to reduce guesswork by tying engine-model navigation to related product listings and part-number references.

Diagram callout lookup for Komatsu S6D155-4AA Cylinder Block Parts

Use each diagram together with the table directly below it. The Diagram Ref. column corresponds to the location number shown on that specific image. Clickable part numbers link to matching 19PARTS product pages where a product match exists.

S6D155-4AA — Cylinder Block Gasket Kit

Komatsu S6D155-4AA Cylinder Block Parts diagram ENGINES/s6d1554c/210030a.png
ENGINES/s6d1554c/210030a.png · 130 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 01650-21012 Washer 3 SN: 25887-57468
2 01650-21012 Washer 3 SN: 25887-UP
2 01650-21212 Washer 4 SN: 25887-57468
2 01650-21212 Washer 4 SN: 25887-UP
2 01653-20808 Washer 1 SN: 25887-UP
2 01653-21412 Washer 1 SN: 25887-57468
2 01653-21412 Washer 1 SN: 25887-UP
2 01653-22016 Washer 1 SN: 25887-UP
2 01653-23318 Washer 1 SN: 25887-57468
2 01653-23318 Washer 1 SN: 25887-UP
2 01658-26823 Washer 1 SN: 25887-UP
2 02894-07201 O-Ring 1 SN: 25887-UP
2 04081-04512 Lock 1 SN: 25887-UP
2 06122-04004 Seal 2 SN: 25887-UP
2 06122-04504 Seal 2 SN: 25887-UP
2 07000-02015 O-Ring 1 SN: 25887-UP
2 07000-02018 O-Ring 1 SN: 25887-57468
2 07000-02018 O-Ring 1 SN: 25887-UP
2 07000-02065 O-Ring 1 SN: 25887-UP
2 07000-02075 O-Ring 1 SN: 25887-UP
2 07000-02090 O-Ring 1 SN: 25887-UP
2 07000-02140 O-Ring 1 SN: 25887-UP
2 07000-03025 O-Ring 1 SN: 25887-UP
2 07000-03032 O-Ring 1 SN: 25887-57468
2 07000-03032 O-Ring 1 SN: 25887-UP
2 07000-03035 O-Ring 1 SN: 25887-UP
2 07000-03045 O-Ring 1 SN: 25887-UP
2 07000-03115 O-Ring 1 SN: 25887-UP
2 07000-03135 O-Ring 1 SN: 25887-UP
2 07000-05110 O-Ring 1 SN: 25887-UP
2 07000-05135 O-Ring 1 SN: 25887-UP
2 07000-05140 O-Ring 1 SN: 25887-UP
2 07000-05165 O-Ring 1 SN: 25887-UP
2 07000-05185 O-Ring 1 SN: 25887-UP
2 07000-23022 O-Ring 2 SN: 25887-UP
2 07000-23038 O-Ring 1 SN: 25887-UP
2 07000-62015 O-Ring 1 SN: 25887-57468
2 07000-62015 O-Ring 1 SN: 25887-UP
2 07000-62016 O-Ring 6 SN: 25887-UP
2 07000-63028 O-Ring 1 SN: 25887-UP
2 07000-63030 O-Ring 1 SN: 25887-UP
2 07000-63032 O-Ring 1 SN: 25887-UP
2 07000-63035 O-Ring 1 SN: 25887-57468
2 07000-63035 O-Ring 1 SN: 25887-UP
2 07000-65055 O-Ring 2 SN: 25887-UP
2 07000-65220 O-Ring 1 SN: 25887-UP
2 07003-01419 Gasket 1 SN: 25887-UP
2 07003-02733 Gasket 1 SN: 25887-UP
2 07005-00812 Gasket 5 SN: 25887-UP
2 07005-01012 Gasket 4 SN: 25887-UP
2 07005-01212 Gasket 6 SN: 25887-UP
2 07005-01412 Gasket 1 SN: 25887-UP
2 07005-01412 Gasket 6 SN: 25887-UP
2 07005-01412 Gasket 2 SN: 25887-UP
2 07005-01412 Gasket 5 SN: 25887-UP
2 07005-01612 Gasket 1 SN: 25887-UP
2 08034-00414 Band 3 SN: 25887-UP
2 08034-00519 Band 4 SN: 25887-UP
2 6120-51-5180 Gasket 3 SN: 25887-UP
2 6120-61-6851 Gasket 1 SN: 57469-UP
2 6124-21-3241 Gasket 1 SN: 25887-UP
2 6124-61-2181 Grommet 2 SN: 25887-UP
2 6124-61-3741 Gasket 1 SN: 57469-UP
2 6124-61-3790 Lock 2 SN: 25887-57468
2 6124-61-3790 Lock 2 SN: 25887-UP
2 6127-11-1620 Washer 6 SN: 25887-UP
2 6127-21-2221 O-Ring 6 SN: 25887-UP
2 6127-21-2241 O-Ring 6 SN: 25887-UP
2 6127-21-2252 Seal 6 SN: 57469-UP
2 6127-21-2431 Lock 1 SN: 25887-57468
2 6127-21-2431 Lock 1 SN: 25887-UP
2 6127-21-3160 Grommet 2 SN: 25887-UP
2 6127-21-3510 Seal¤ Front 1 SN: 25887-UP
2 6127-21-4240 Lock 2 SN: 25887-57468
2 6127-21-4240 Lock 2 SN: 25887-UP
2 6127-21-4260 Lock 1 SN: 25887-57468
2 6127-21-4260 Lock 1 SN: 25887-UP
2 6127-21-4815 Gasket 1 SN: 57469-UP
2 6127-21-5162 Gasket 1 SN: 25887-UP
2 6127-21-5851 Gasket 1 SN: 57469-UP
2 6127-31-1330 Washer 12 SN: 25887-UP
2 6127-31-1350 Lock 3 SN: 25887-57468
2 6127-31-1350 Lock 3 SN: 25887-UP
2 6127-31-8150 Plate 3 SN: 25887-UP
2 6127-51-1661 Gasket 1 SN: 57469-UP
2 6127-51-1661 Gasket 4 SN: 57469-UP
2 6127-51-5842 Gasket 1 SN: 57469-UP
2 6127-51-5862 Gasket 1 SN: 57469-UP
2 6127-51-6920 Gasket 1 SN: 55329-UP
2 6127-51-6920 Gasket 1 SN: 25887-57468
2 6127-61-1190 Grommet 1 SN: 25887-UP
2 6127-61-3360 Seal 1 SN: 25887-UP
2 6127-61-3770 Seal 1 SN: 25887-UP
2 6127-61-6811 Gasket 1 SN: 25887-UP
2 6127-61-6851 Gasket 1 SN: 57469-UP
2 6127-71-3170 Lock 3 SN: 25887-57468
2 6127-71-3170 Lock 6 SN: 25887-UP
2 6127-71-3250 Seal 1 SN: 36496-57468
2 6127-71-3380 Grommet 1 SN: 25887-UP
2 6128-21-3231 Gasket 1 SN: 57469-UP
2 6128-21-3811 Gasket 1 SN: 57469-UP
2 6128-21-4230 Seal¤ Rear 1 SN: 25887-UP
2 6128-21-6820 Seal 1 SN: 25887-57468
2 6128-51-6831 Gasket 1 SN: 57469-UP
2 6128-61-6831 Gasket 2 SN: 25887-UP
2 6128-K2-9901 Gasket Kit,Cylinder Block 1 SN: 57469-UP
2 6150-71-1910 Seal 1 SN: 57469-UP
2 6162-73-1931 Gasket 1 SN: 57469-UP
2 6162-73-1931 Gasket 1 SN: 25887-UP
2 6162-73-1960 Washer 1 SN: 57469-UP
2 6610-71-1930 Gasket 1 SN: 25887-57468
2 6643-21-4731 Plate 4 SN: 25887-57557
2 The part and the part specified in the line immediately above are interchangeable.6124-61-1160 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6120-61-6850 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6124-61-3740 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-21-4813 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-21-5550 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-21-5850 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-21-6521 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-51-1660 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-51-1660 Gasket 4 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-51-5841 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-51-5850 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-51-6920 Gasket 1 SN: 25887-55328
2 The part specified in the line above can be used instead of this part6127-61-2131 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6127-61-6850 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6128-21-3230 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6128-21-3810 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6128-51-6830 Gasket 1 SN: 25887-57468
2 The part specified in the line above can be used instead of this part6128-61-6860 Gasket 1 SN: 25887-57468

S6D155-4AA — Gear Case And Front Support

Komatsu S6D155-4AA Cylinder Block Parts diagram ENGINES/s6d1554c/060030a.png
ENGINES/s6d1554c/060030a.png · 33 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 04020-01434 Pin,Dowel 1 SN: 25887-UP
3 04020-01434 Pin,Dowel 1 SN: 25887-UP
4 04020-00616 Pin,Dowel 2 SN: 25887-UP
9 01582-01008 Nut 6 SN: 25887-UP
10 01602-01030 Washer,Spring 6 SN: 25887-UP
11 6127-21-3160 Grommet (K2) 2 SN: 25887-UP
12 6128-21-3811 Gasket (K2) 1 SN: 57469-UP
12 6128-21-3811 Gasket 1 SN: 55329-57468
12 The part specified in the line above can be used instead of this part6128-21-3810 Gasket (K2) 1 SN: 25887-55328
13 01010-31650 Bolt 15 SN: 25887-UP
14 01602-01648 Washer,Spring 15 SN: 25887-UP
18 04020-00820 Pin,Dowel 1 SN: 25887-UP
21 01643-31032 Washer 6 SN: 51356-UP
24 6127-31-6221 Bushing 1 SN: 25887-UP
25 6127-31-6261 Bearing,Thrust 1 SN: 25887-UP
26 6128-21-3231 Gasket (K2) 1 SN: 57469-UP
26 6128-21-3231 Gasket 1 SN: 55329-57468
26 The part specified in the line above can be used instead of this part6128-21-3230 Gasket (K2) 1 SN: 25887-55328
27 01010-31475 Bolt 11 SN: 25887-UP
28 01010-31455 Bolt 4 SN: 25887-UP
29 01010-31480 Bolt 2 SN: 25887-UP
30 01602-01442 Washer,Spring 17 SN: 25887-UP
31 01580-01411 Nut 1 SN: 25887-UP
32 01011-31625 Bolt 2 SN: 36496-UP
33 01602-01648 Washer,Spring 2 SN: 25887-UP
34 01641-21423 Washer 2 SN: 25887-UP
36 01010-80612 Bolt 2 SN: 25887-UP
37 01602-00619 Washer,Spring 2 SN: 25887-UP
38 01642-20608 Washer 2 SN: 25887-UP
40 01010-31440 Bolt 2 SN: 36496-UP
40 01010-31445 Bolt 2 SN: 25887-36495
41 01602-01442 Washer,Spring 2 SN: 25887-UP
42 6127-21-3510 Seal¤ Front (K2) 1 SN: 25887-UP

S6D155-4AA — Power Take Off

Komatsu S6D155-4AA Cylinder Block Parts diagram ENGINES/s6d1554c/060080a.png
ENGINES/s6d1554c/060080a.png · 27 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 6128-21-4170 Shaft 1 SN: 25887-UP
3 06004-00215 Bearing,Roller 1 SN: 25887-UP
7 07000-05175 O-Ring (K3) 1 SN: 25887-UP
8 06000-06314 Bearing,Ball 1 SN: 25887-UP
9 01530-06814 Nut 1 SN: 25887-UP
10 01658-26823 Washer (K3) 1 SN: 25887-UP
12 07042-00108 Plug 1 SN: 25887-UP
13 07000-05165 O-Ring (K3) 1 SN: 25887-UP
15 01602-01030 Washer,Spring 6 SN: 25887-UP
16 01641-21016 Washer 3 SN: 25887-UP
18 6128-21-4510 Shaft 1 SN: 25887-UP
20 01643-31032 Washer 6 SN: 36496-UP
20 The part specified in the line above can be used instead of this part6127-21-4550 Lock (K3) 3 SN: 25887-36495
21 06000-06010 Bearing,Ball 2 SN: 25887-UP
22 6128-21-4540 Collar 1 SN: 25887-UP
26 07000-03095 O-Ring (K3) 1 SN: 25887-UP
27 07000-03110 O-Ring (K3) 1 SN: 25887-UP
29 01602-01236 Washer,Spring 2 SN: 25887-UP
30 6128-21-4321 Gear,Idle 1 SN: 25887-UP
33 01602-01236 Washer,Spring 6 SN: 25887-UP
34 06002-30217 Bearing,Roller 2 SN: 25887-UP
36 6128-21-4340 Retainer,Bearing 1 SN: 25887-UP
37 6128-21-4600 Shim Ass'Y (K3) 1 SN: 25887-UP
39 The part specified in the line above can be used instead of this part6128-21-4360 Lock (K3) 1 SN: 25887-36495
42 6691-21-4922 Gasket,(For Shipping) 1 SN: 25887-UP
43 01010-31230 Bolt,(For Shipping) 6 SN: 25887-UP
44 01602-01236 Washer,(For Shipping) 6 SN: 25887-UP

S6D155-4AA — 2)

Komatsu S6D155-4AA Cylinder Block Parts diagram ENGINES/s6d1554c/060010a.png
ENGINES/s6d1554c/060010a.png · 25 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
6 6127-21-1741 Washer 14 SN: 25887-UP
8 04020-00616 Pin,Dowel 2 SN: 25887-UP
12 04020-01024 Pin,Dowel¤ Cylinder Head 6 SN: 25887-UP
13 07046-15020 Plug,Expansion 1 SN: 25887-UP
14 04020-01842 Pin,Dowel¤ Gear Case Cover 2 SN: 25887-UP
15 04020-00820 Pin,Dowel 2 SN: 25887-UP
21 07043-70211 Plug 5 SN: 51356-UP
23 07040-11409 Plug 1 SN: 25887-UP
24 07005-01412 Gasket (K2) 1 SN: 25887-UP
26 6127-21-2252 Seal (K2) 6 SN: 57469-UP
26 6127-21-2252 Seal 6 SN: 50747-57468
27 6127-21-2221 O-Ring,Center (K2) 6 SN: 25887-UP
28 6127-21-2241 O-Ring,Lower (K2) 6 SN: 25887-UP
31 07000-62016 O-Ring (K2) 1 SN: 25887-UP
33 07000-62016 O-Ring 1 SN: 36496-UP
34 01010-80818 Bolt 6 SN: 25887-UP
35 01602-00825 Washer,Spring 6 SN: 25887-UP
39 6610-21-5671 Gasket 1 SN: 25887-36495
41 01602-01030 Washer,Spring 4 SN: 25887-UP
43 The part specified in the DESCRIPTION column can be used instead of this part if it is used as a set.01010-31230 Bolt 4 SN: 25887-51355
44 01643-31232 Washer 4 SN: 51356-UP
46 01643-31032 Washer 2 SN: 25887-UP
49 The part specified in the DESCRIPTION column can be used instead of this part if it is used as a set.01010-31035 Bolt 3 SN: 25887-51355
50 The part specified in the line above can be used instead of this part01650-21012 Washer,Lock (K2) 3 SN: 25887-51355
53 The part specified in the line above can e used instead of this part6127-21-2431 Lock (K2) 1 SN: 25887-51355

S6D155-4AA — Flywheel And Flywheel Housing(#36496-)

Komatsu S6D155-4AA Cylinder Block Parts diagram ENGINES/s6d1554c/060070a.png
ENGINES/s6d1554c/060070a.png · 17 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
5 07046-15520 Plug 1 SN: 36496-UP
9 04020-01434 Pin,Dowel 4 SN: 25887-UP
10 6127-21-4815 Gasket (K2) 1 SN: 57469-UP
10 6127-21-4815 Gasket 1 SN: 55329-57468
10 The part specified in the line above can be used instead of this part6127-21-4813 Gasket (K2) 1 SN: 25887-55328
11 01010-31845 Bolt 4 SN: 25887-UP
12 01010-31855 Bolt 7 SN: 36496-UP
13 01010-31870 Bolt 3 SN: 36496-UP
14 01643-21845 Washer 14 SN: 25887-UP
16 07000-65220 O-Ring (K2) 1 SN: 25887-UP
18 01602-01030 Washer,Spring 8 SN: 36496-UP
19 6128-21-4230 Seal¤ Rear (K2) 1 SN: 25887-UP
25 01643-31232 Washer 6 SN: 36496-UP
27 6127-11-1620 Washer 6 SN: 36496-UP
30 01010-61845 Bolt 8 SN: 25887-UP
31 01643-21845 Washer 8 SN: 57558-UP
31 The part specified in the line above can be used instead of this part6643-21-4731 Plate (K2) 4 SN: 25887-57557

S6D155-4AA — Flywheel And Flywheel Housing(#25887-36495)

Komatsu S6D155-4AA Cylinder Block Parts diagram ENGINES/s6d1554c/060060a.png
ENGINES/s6d1554c/060060a.png · 14 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
9 04020-01434 Pin,Dowel 4 SN: 25887-@
10 6127-21-4813 Gasket (K2) 1 SN: 25887-@
11 01010-31845 Bolt 4 SN: 25887-@
12 01010-31850 Bolt 10 SN: 25887-36495
13 01643-21845 Washer 14 SN: 25887-@
15 07000-65220 O-Ring (K2) 1 SN: 25887-@
16 01010-31025 Bolt 8 SN: 25887-@
17 6127-21-4240 Lock,Plate (K2) 2 SN: 25887-36495
19 6127-21-4260 Lock,Plate (K2) 1 SN: 25887-36495
20 07000-03095 O-Ring (K2) 1 SN: 25887-36495
21 6128-21-4230 Seal¤ Rear (K2) 1 SN: 25887-@
27 6127-31-1350 Lock (K2) 3 SN: 25887-36495
32 01010-61845 Bolt 8 SN: 25887-@
33 6643-21-4731 Plate (K2) 4 SN: 25887-@

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S6D155-4AA Cylinder Block Parts lookup notes

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