Komatsu S6D155-4A Cylinder Block Parts Hub

Komatsu S6D155-4A 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 S6D155-4A 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.

S6D155-4A — Flywheel¤ Power Take Off And Flywheel Housing

Komatsu S6D155-4A Cylinder Block Parts diagram ENGINES/s6d155r/060080a.png
ENGINES/s6d155r/060080a.png · 48 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
4 01010-31030 Bolt 12 SN: 10014-UP
5 6127-31-1330 Washer (K2) 12 SN: 10014-UP
8 6127-31-1350 Lock (K2) 3 SN: 10014-UP
10 6127-11-1620 Washer,(S6D155-4B) 6 SN: 26698-UP
16 04020-01434 Pin 4 SN: 10014-UP
18 01010-31245 Bolt 2 SN: 11746-UP
19 01582-01210 Nut 4 SN: 10014-11745
20 01602-01236 Washer 2 SN: 11746-UP
20 01602-01236 Washer 4 SN: 10014-11745
22 07000-05165 O-Ring (K2) 1 SN: 10014-UP
24 01010-31030 Bolt 6 SN: 10014-UP
25 01602-01030 Washer 6 SN: 10014-UP
26 01641-21016 Washer 1 SN: 10014-UP
30 07000-05150 O-Ring (K2) 1 SN: 10014-UP
32 01530-06214 Nut 1 SN: 10014-UP
33 01658-26223 Washer (K2) 1 SN: 10014-UP
34 06000-06214 Bearing 1 SN: 10014-UP
38 01010-31230 Bolt 6 SN: 10014-UP
39 01602-01236 Washer 6 SN: 10014-UP
40 6128-21-4321 Gear 1 SN: 10014-UP
41 06002-30217 Bearing 2 SN: 13846-UP
43 6128-21-4340 Retainer 1 SN: 10014-UP
45 6128-21-4360 Lock (K2) 1 SN: 10014-UP
47 07000-03095 O-Ring (K2) 1 SN: 10014-UP
48 07000-03110 O-Ring (K2) 1 SN: 10014-UP
49 06000-06010 Bearing 2 SN: 10014-UP
51 6128-21-4540 Collar 1 SN: 10014-UP
52 6128-21-4510 Shaft 1 SN: 10014-UP
54 01010-31020 Bolt 6 SN: 10014-UP
55 6127-21-4550 Lock (K2) 3 SN: 10014-UP
58 6128-21-4600 Shim Ass'Y 1 SN: 10014-UP
58 6128-21-4610 Shim¤ 1.0Mm 1 SN: 10014-UP
58 6128-21-4620 Shim¤ 0.5Mm 1 SN: 10014-UP
58 6128-21-4630 Shim¤ 0.1Mm 2 SN: 10014-UP
59 6127-21-4813 Gasket (K2) 1 SN: 10278-UP
60 01010-31845 Bolt 4 SN: 10278-UP
61 01010-31855 Bolt 7 SN: 10278-UP
61 01010-31870 Bolt 3 SN: 10278-UP
62 01602-01854 Washer 14 SN: 10014-16057
62 01643-31845 Washer 14 SN: 16058-UP
63 6128-21-4230 Seal¤ Rear (K2) 1 SN: 15953-UP
65 07000-65220 O-Ring (K2) 1 SN: 13462-UP
66 01010-31025 Bolt 8 SN: 10014-UP
67 6127-21-4240 Lock (K2) 2 SN: 10014-29842
69 6127-21-4260 Lock (K2) 1 SN: 10014-29842
72 01010-61845 Bolt 8 SN: 10278-UP
73 6643-21-4731 Plate (K2) 4 SN: 10014-UP
66A 01602-01030 Washer 8 SN: 29843-UP

S6D155-4A — Flywheel¤ Power Take Off And Flywheel Housing

Komatsu S6D155-4A Cylinder Block Parts diagram ENGINES/s6d155c/060080a.png
ENGINES/s6d155c/060080a.png · 48 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
4 01010-31030 Bolt 12 SN: 10014-UP
5 6127-31-1330 Washer (K2) 12 SN: 10014-UP
8 6127-31-1350 Lock (K2) 3 SN: 10014-UP
10 6127-11-1620 Washer,(S6D155-4B) 6 SN: 26698-UP
16 04020-01434 Pin 4 SN: 10014-UP
18 01010-31245 Bolt 2 SN: 11746-UP
19 01582-01210 Nut 4 SN: 10014-11745
20 01602-01236 Washer 2 SN: 11746-UP
20 01602-01236 Washer 4 SN: 10014-11745
22 07000-05165 O-Ring (K2) 1 SN: 10014-UP
24 01010-31030 Bolt 6 SN: 10014-UP
25 01602-01030 Washer 6 SN: 10014-UP
26 01641-21016 Washer 1 SN: 10014-UP
30 07000-05150 O-Ring (K2) 1 SN: 10014-UP
32 01530-06214 Nut 1 SN: 10014-UP
33 01658-26223 Washer (K2) 1 SN: 10014-UP
34 06000-06214 Bearing 1 SN: 10014-UP
38 01010-31230 Bolt 6 SN: 10014-UP
39 01602-01236 Washer 6 SN: 10014-UP
40 6128-21-4321 Gear 1 SN: 10014-UP
41 06002-30217 Bearing 2 SN: 13846-UP
43 6128-21-4340 Retainer 1 SN: 10014-UP
45 6128-21-4360 Lock (K2) 1 SN: 10014-UP
47 07000-03095 O-Ring (K2) 1 SN: 10014-UP
48 07000-03110 O-Ring (K2) 1 SN: 10014-UP
49 06000-06010 Bearing 2 SN: 10014-UP
51 6128-21-4540 Collar 1 SN: 10014-UP
52 6128-21-4510 Shaft 1 SN: 10014-UP
54 01010-31020 Bolt 6 SN: 10014-UP
55 6127-21-4550 Lock (K2) 3 SN: 10014-UP
58 6128-21-4600 Shim Ass'Y 1 SN: 10014-UP
58 6128-21-4610 Shim, 1.0Mm 1 SN: 10014-UP
58 6128-21-4620 Shim, 0.5Mm 1 SN: 10014-UP
58 6128-21-4630 Shim, 0.1Mm 2 SN: 10014-UP
59 6127-21-4813 Gasket (K2) 1 SN: 10278-UP
60 01010-31845 Bolt 4 SN: 10278-UP
61 01010-31855 Bolt 7 SN: 10278-UP
61 01010-31870 Bolt 3 SN: 10278-UP
62 01602-01854 Washer 14 SN: 10014-16057
62 01643-31845 Washer 14 SN: 16058-UP
63 6128-21-4230 Seal, Rear (K2) 1 SN: 15953-UP
65 07000-65220 O-Ring (K2) 1 SN: 13462-UP
66 01010-31025 Bolt 8 SN: 10014-UP
67 6127-21-4240 Lock (K2) 2 SN: 10014-29842
69 6127-21-4260 Lock (K2) 1 SN: 10014-29842
72 01010-61845 Bolt 8 SN: 10278-UP
73 6643-21-4731 Plate (K2) 4 SN: 10014-UP
66A 01602-01030 Washer 8 SN: 29843-UP

S6D155-4A — Cylinder Block(#20000-)

Komatsu S6D155-4A Cylinder Block Parts diagram ENGINES/s6d155r/060020a.png
ENGINES/s6d155r/060020a.png · 45 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 07046-15020 Plug 1 SN: 20000-UP
4 04020-01842 Pin 2 SN: 20000-UP
5 04020-00820 Pin 2 SN: 20000-UP
10 07040-11409 Plug 1 SN: 20000-UP
11 07005-01412 Gasket (K2) 1 SN: 20000-UP
12 04020-01024 Pin 6 SN: 20000-UP
22 04020-00616 Pin 2 SN: 20000-UP
24 6127-21-1741 Washer 14 SN: 20000-UP
26 01010-31230 Bolt 4 SN: 20000-UP
27 01650-21212 Washer (K2) 4 SN: 20000-UP
30 01643-31032 Washer 1 SN: 25996-UP
32 01010-31035 Bolt 3 SN: 20000-UP
33 01650-21012 Washer (K2) 3 SN: 20000-UP
36 6127-21-2431 Lock (K2) 1 SN: 20000-UP
39 07000-62016 O-Ring (K2) 1 SN: 20000-UP
40 01010-30818 Bolt 6 SN: 20000-UP
41 01602-00825 Washer 6 SN: 20000-UP
44 The part specified in the line above can be used instead of this part6610-21-5671 Gasket (K2) 1 SN: 20000-48680
45 01010-31025 Bolt 4 SN: 20000-UP
47 01602-01030 Washer 4 SN: 20000-UP
51 6127-51-6920 Gasket (K2) 1 SN: 20000-UP
52 01010-31020 Bolt 2 SN: 20000-UP
54 6127-21-2252 Seal (K2) 6 SN: 50277-UP
55 6127-21-2221 O-Ring (K2) 6 SN: 20000-UP
56 6127-21-2241 O-Ring (K2) 6 SN: 20000-UP
59 07217-51013 Elbow 1 SN: 20000-UP
61 6127-21-7401 Cap 1 SN: 20000-UP
63 6127-21-6521 Gasket (K2) 1 SN: 28424-UP
63 6127-21-6521 Gasket (K2) 2 SN: 20000-28423
64 01010-30845 Bolt,(S6D155-4B) 1 SN: 28398-UP
65 01602-00825 Washer 8 SN: 28424-UP
65 01602-00825 Washer 16 SN: 20000-28397
66 01010-31016 Bolt 1 SN: 20000-UP
67 01602-01030 Washer 1 SN: 20000-UP
75 01641-21626 Washer 1 SN: 22645-UP
76 01582-01613 Nut 1 SN: 20000-UP
77 01602-01648 Washer 1 SN: 20000-UP
78 01010-31230 Bolt 1 SN: 22645-UP
78 01010-31235 Bolt 4 SN: 20000-22644
78 01010-31240 Bolt 1 SN: 22645-UP
79 01602-01236 Washer 4 SN: 20000-22644
79 01640-01223 Washer 1 SN: 22645-UP
79 01643-31232 Washer 1 SN: 22645-UP
58A 07005-01412 Gasket (K2) 1 SN: 20000-UP
61A 6128-21-7450 Ring 1 SN: 20000-UP

S6D155-4A — Cylinder Block(#20000-)

Komatsu S6D155-4A Cylinder Block Parts diagram ENGINES/s6d155c/060020a.png
ENGINES/s6d155c/060020a.png · 45 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 07046-15020 Plug 1 SN: 20000-UP
4 04020-01842 Pin 2 SN: 20000-UP
5 04020-00820 Pin 2 SN: 20000-UP
10 07040-11409 Plug 1 SN: 20000-UP
11 07005-01412 Gasket (K2) 1 SN: 20000-UP
12 04020-01024 Pin 6 SN: 20000-UP
22 04020-00616 Pin 2 SN: 20000-UP
24 6127-21-1741 Washer 14 SN: 20000-UP
26 01010-31230 Bolt 4 SN: 20000-UP
27 01650-21212 Washer (K2) 4 SN: 20000-UP
30 01643-31032 Washer 1 SN: 25996-UP
32 01010-31035 Bolt 3 SN: 20000-UP
33 01650-21012 Washer (K2) 3 SN: 20000-UP
36 6127-21-2431 Lock (K2) 1 SN: 20000-UP
39 07000-62016 O-Ring (K2) 1 SN: 20000-UP
40 01010-30818 Bolt 6 SN: 20000-UP
41 01602-00825 Washer 6 SN: 20000-UP
44 The part specified in the line above can be used instead of this part6610-21-5671 Gasket (K2) 1 SN: 20000-48680
45 01010-31025 Bolt 4 SN: 20000-UP
47 01602-01030 Washer 4 SN: 20000-UP
51 6127-51-6920 Gasket (K2) 1 SN: 20000-UP
52 01010-31020 Bolt 2 SN: 20000-UP
54 6127-21-2252 Seal (K2) 6 SN: 50277-UP
55 6127-21-2221 O-Ring (K2) 6 SN: 20000-UP
56 6127-21-2241 O-Ring (K2) 6 SN: 20000-UP
59 07217-51013 Elbow 1 SN: 20000-UP
61 6127-21-7401 Cap 1 SN: 20000-UP
63 6127-21-6521 Gasket (K2) 1 SN: 28424-UP
63 6127-21-6521 Gasket (K2) 2 SN: 20000-28423
64 01010-30845 Bolt,(S6D155-4B) 1 SN: 28398-UP
65 01602-00825 Washer 8 SN: 28424-UP
65 01602-00825 Washer 16 SN: 20000-28397
66 01010-31016 Bolt 1 SN: 20000-UP
67 01602-01030 Washer 1 SN: 20000-UP
75 01641-21626 Washer 1 SN: 22645-UP
76 01582-01613 Nut 1 SN: 20000-UP
77 01602-01648 Washer 1 SN: 20000-UP
78 01010-31230 Bolt 1 SN: 22645-UP
78 01010-31235 Bolt 4 SN: 20000-22644
78 01010-31240 Bolt 1 SN: 22645-UP
79 01602-01236 Washer 4 SN: 20000-22644
79 01640-01223 Washer 1 SN: 22645-UP
79 01643-31232 Washer 1 SN: 22645-UP
58A 07005-01412 Gasket (K2) 1 SN: 20000-UP
61A 6128-21-7450 Ring 1 SN: 20000-UP

S6D155-4A — Cylinder Block(#10014-19999)

Komatsu S6D155-4A Cylinder Block Parts diagram ENGINES/s6d155r/060010a.png
ENGINES/s6d155r/060010a.png · 39 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 07046-15020 Plug 1 SN: 10866-@
2 07046-15020 Plug 2 SN: 10278-10865
2 07046-15020 Plug 6 SN: 10014-10277
3 07043-00415 Plug 2 SN: 10014-@
4 04020-01842 Pin 2 SN: 14953-@
4 04020-01842 Pin 1 SN: 10014-14952
5 04020-00820 Pin 2 SN: 10014-@
9 07043-01019 Plug 1 SN: 10014-@
11 07040-01409 Plug 1 SN: 10014-10277
11 07040-11409 Plug 1 SN: 10278-@
12 07003-01419 Gasket (K2) 1 SN: 10014-19999
13 04020-01024 Pin 6 SN: 10014-@
19 07043-01019 Plug 1 SN: 10014-@
24 04020-00616 Pin 2 SN: 10014-@
26 6127-21-1741 Washer 14 SN: 16011-@
28 01010-31230 Bolt 4 SN: 10014-@
29 01650-21212 Washer (K2) 4 SN: 10014-@
34 01010-31035 Bolt 3 SN: 10014-@
35 01650-21012 Washer (K2) 3 SN: 10014-@
38 6127-21-2431 Lock (K2) 1 SN: 10014-@
40 07000-02016 O-Ring (K1) 1 SN: 10014-11774
40 07000-62016 O-Ring (K1) 1 SN: 11775-@
41 01010-30818 Bolt 6 SN: 10278-@
42 01602-00825 Washer 6 SN: 10014-@
45 01010-31025 Bolt 4 SN: 10014-19999
46 01602-01030 Washer 4 SN: 10014-19999
48 6127-21-2221 O-Ring (K2) 6 SN: 10014-11703
49 6127-21-2221 O-Ring (K2) 6 SN: 10014-@
50 6127-21-2241 O-Ring (K2) 6 SN: 10014-@
54 6127-21-7401 Cap 1 SN: 14275-@
56 6127-21-6521 Gasket (K2) 2 SN: 10014-@
58 01602-00825 Washer 16 SN: 10014-@
59 01010-31020 Bolt 1 SN: 14257-19999
60 01602-01030 Washer 1 SN: 14257-19999
68 01582-01613 Nut 1 SN: 10278-@
69 01602-01648 Washer 1 SN: 10014-@
71 01010-31235 Bolt 4 SN: 10014-@
72 01602-01236 Washer 4 SN: 10014-@
54A 6128-21-7450 Ring 1 SN: 14275-@

S6D155-4A — Cylinder Block(#10014-19999)

Komatsu S6D155-4A Cylinder Block Parts diagram ENGINES/s6d155c/060010a.png
ENGINES/s6d155c/060010a.png · 39 listed callout rows
Gasket (K2)
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 07046-15020 Plug 1 SN: 10866-@
2 07046-15020 Plug 2 SN: 10278-10865
2 07046-15020 Plug 6 SN: 10014-10277
3 07043-00415 Plug 2 SN: 10014-@
4 04020-01842 Pin 2 SN: 14953-@
4 04020-01842 Pin 1 SN: 10014-14952
5 04020-00820 Pin 2 SN: 10014-@
9 07043-01019 Plug 1 SN: 10014-@
11 07040-01409 Plug 1 SN: 10014-10277
11 07040-11409 Plug 1 SN: 10278-@
12 07003-014191 SN: 10014-19999
13 04020-01024 Pin 6 SN: 10014-@
19 07043-01019 Plug 1 SN: 10014-@
24 04020-00616 Pin 2 SN: 10014-@
26 6127-21-1741 Washer 14 SN: 16011-@
28 01010-31230 Bolt 4 SN: 10014-@
29 01650-21212 Washer (K2) 4 SN: 10014-@
34 01010-31035 Bolt 3 SN: 10014-@
35 01650-21012 Washer (K2) 3 SN: 10014-@
38 6127-21-2431 Lock (K2) 1 SN: 10014-@
40 07000-02016 O-Ring (K1) 1 SN: 10014-11774
40 07000-62016 O-Ring (K1) 1 SN: 11775-@
41 01010-30818 Bolt 6 SN: 10278-@
42 01602-00825 Washer 6 SN: 10014-@
45 01010-31025 Bolt 4 SN: 10014-19999
46 01602-01030 Washer 4 SN: 10014-19999
48 6127-21-2221 O-Ring (K2) 6 SN: 10014-11703
49 6127-21-2221 O-Ring (K2) 6 SN: 10014-@
50 6127-21-2241 O-Ring (K2) 6 SN: 10014-@
54 6127-21-7401 Cap 1 SN: 14275-@
56 6127-21-6521 Gasket (K2) 2 SN: 10014-@
58 01602-00825 Washer 16 SN: 10014-@
59 01010-31020 Bolt 1 SN: 14257-19999
60 01602-01030 Washer 1 SN: 14257-19999
68 01582-01613 Nut 1 SN: 10278-@
69 01602-01648 Washer 1 SN: 10014-@
71 01010-31235 Bolt 4 SN: 10014-@
72 01602-01236 Washer 4 SN: 10014-@
54A 6128-21-7450 Ring 1 SN: 14275-@

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S6D155-4A Cylinder Block Parts lookup notes

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