Komatsu S6D155-4K Cylinder Head Parts Hub

Komatsu S6D155-4K Cylinder Head 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 S6D155-4K Cylinder Head 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.

S6D155-4K — Air Intake Manifold And Connection(#22146-28769)

Komatsu S6D155-4K Cylinder Head Parts diagram ENGINES/s6d1557c/030040a.png
ENGINES/s6d1557c/030040a.png · 31 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
4 6127-11-4820 Gasket (K1) 3 SN: 22146-@
5 01010-31285 Bolt 12 SN: 22146-@
6 01602-01236 Washer 12 SN: 22146-@
7 01640-21223 Washer 12 SN: 22146-@
9 6127-11-4640 Gasket (K1) 2 SN: 22146-@
10 01010-31025 Bolt 8 SN: 22146-@
11 01602-01030 Washer 8 SN: 22146-@
13 01010-31030 Bolt 1 SN: 22146-28769
14 01010-31025 Bolt 1 SN: 22146-28769
15 01602-01030 Washer 2 SN: 22146-28769
16 01640-21016 Washer 2 SN: 22146-28769
19 07003-01824 Gasket (K1) 1 SN: 22146-28769
20 07040-11007 Plug 1 SN: 22146-28769
21 07003-01015 Gasket (K1) 1 SN: 22146-28769
27 01602-00825 Washer 4 SN: 22146-28769
34 6610-81-4150 Gasket (K1) 1 SN: 22146-28769
35 6610-81-4240 O-Ring (K1) 1 SN: 22146-28769
36 6610-81-8820 Elbow 1 SN: 22146-28769
38 600-815-2190 Gasket (K1) 1 SN: 22146-28769
39 6127-11-4620 Gasket (K1) 1 SN: 22146-@
40 01010-31440 Bolt 4 SN: 22146-28769
41 01602-01442 Washer 4 SN: 22146-@
42 01641-21423 Washer 4 SN: 22146-@
44 02895-67116 O-Ring (K1) 4 SN: 22146-28769
45 02895-67091 O-Ring (K1) 2 SN: 22146-28769
47 08670-00635 Indicator 1 SN: 22146-28769
50 01010-31430 Bolt 4 SN: 22146-28769
51 01602-01442 Washer 4 SN: 22146-28769
53 01010-31025 Bolt 2 SN: 22146-28769
54 01602-01030 Washer 2 SN: 22146-28769
55 01640-21016 Washer 2 SN: 22146-28769

S6D155-4K — Air Intake Manifold And Connection(#28770-)

Komatsu S6D155-4K Cylinder Head Parts diagram ENGINES/s6d1557c/030050a.png
ENGINES/s6d1557c/030050a.png · 27 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 6127-11-4820 Gasket (K1) 3 SN: 28770-UP
3 01010-31285 Bolt 12 SN: 22146-UP
4 01602-01236 Washer 12 SN: 22146-UP
5 01640-01223 Washer 12 SN: 22146-UP
7 6127-11-4640 Gasket (K1) 2 SN: 22146-UP
8 01010-31025 Bolt 8 SN: 22146-UP
9 01602-01030 Washer 8 SN: 22146-UP
12 07042-00108 Plug 1 SN: 28770-UP
13 6127-11-4620 Gasket (K1) 1 SN: 22146-UP
14 01010-31445 Bolt 4 SN: 28770-UP
15 01602-01442 Washer 4 SN: 22146-UP
16 01641-21423 Washer 4 SN: 22146-UP
18 02895-67091 O-Ring (K1) 4 SN: 28770-UP
22 01602-00825 Washer 4 SN: 22146-UP
29 6610-81-4150 Gasket,(With Grow Plug) 1 SN: 22146-UP
30 6610-81-4240 O-Ring,(With Grow Plug) 1 SN: 22146-UP
31 6610-81-8820 Elbow,(With Grow Plug) 1 SN: 22146-UP
33 600-815-2190 Gasket,(With Grow Plug) 1 SN: 22146-UP
35 02895-67116 O-Ring (K1) 2 SN: 28770-UP
39 01010-31230 Bolt 4 SN: 28770-UP
40 01602-01236 Washer 4 SN: 28770-UP
42 01010-31225 Bolt 2 SN: 28770-UP
43 01602-01236 Washer 2 SN: 28770-UP
44 01010-31020 Bolt 2 SN: 28770-UP
45 01602-01030 Washer 2 SN: 28770-UP
47 01010-31440 Bolt 4 SN: 28770-UP
48 01602-01442 Washer 4 SN: 28770-UP

S6D155-4K — Rocker Arm Housing Cover

Komatsu S6D155-4K Cylinder Head Parts diagram ENGINES/s6d1557c/030030a.png
ENGINES/s6d1557c/030030a.png · 24 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
3 6127-11-8812 Gasket (K1) 3 SN: 22146-UP
4 01010-31080 Bolt 15 SN: 22146-UP
6 01602-01030 Washer 18 SN: 22146-UP
7 01640-21016 Washer 15 SN: 22146-UP
11 6127-11-8211 Breather Ass'Y 1 SN: 47067-UP
12 6127-11-8240 Gasket 1 SN: 22146-47066
13 07000-62070 O-Ring (K1) 1 SN: 26182-UP
13 6127-11-8850 Gasket (K1) 1 SN: 22146-26181
14 01010-30822 Bolt 3 SN: 22146-UP
15 01602-00825 Washer 3 SN: 22146-UP
18 07281-00489 Clamp 2 SN: .-UP
21 01010-30845 Bolt 1 SN: 22146-27677
22 01602-00825 Washer 1 SN: 22146-27677
24 01602-01030 Washer 1 SN: 22146-UP
31 01010-31030 Bolt 2 SN: 22146-27677
32 01602-01030 Washer 2 SN: 22146-27677
33 01642-21016 Washer 2 SN: 22146-27677
35 01010-31025 Bolt 1 SN: 27678-UP
36 01602-01030 Washer 1 SN: 27678-UP
37 01010-31025 Bolt 1 SN: 27678-UP
38 01602-01030 Washer 1 SN: 27678-UP
40 01602-00825 Washer 1 SN: 27678-UP
41 01580-01008 Nut 1 SN: 27678-UP
7A 01642-21016 Washer 2 SN: 22146-UP

S6D155-4K — Water Manifold And Thermostat

Komatsu S6D155-4K Cylinder Head Parts diagram ENGINES/s6d1557c/030100a.png
ENGINES/s6d1557c/030100a.png · 17 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
8 07000-05075 O-Ring (K1) 1 SN: 22146-UP
9 07000-05065 O-Ring (K1) 1 SN: 22146-UP
10 07000-05055 O-Ring (K1) 2 SN: 22146-UP
11 6128-11-6811 Gasket (K1) 6 SN: .-UP
13 01010-31030 Bolt 4 SN: 22146-UP
14 01010-31035 Bolt 8 SN: 22146-UP
15 01602-01030 Washer 12 SN: 22146-UP
16 6127-11-6520 Thermostat 2 SN: 25526-UP
17 6710-11-6451 Seal (K1) 2 SN: 22146-UP
19 6127-11-6430 Gasket (K1) 1 SN: 22146-UP
21 6127-11-6470 Gasket (K1) 1 SN: 22146-UP
22 01011-31000 Bolt 6 SN: 22146-UP
24 01010-31080 Bolt 2 SN: 22146-UP
25 01602-01030 Washer 10 SN: 22146-UP
26 01643-31032 Washer 2 SN: 22146-24706
30 07042-00312 Plug 1 SN: .-UP
31 01011-31210 Bolt 2 SN: 22146-UP

S6D155-4K — Exhaust Manifold(#28770-)

Komatsu S6D155-4K Cylinder Head Parts diagram ENGINES/s6d1557c/030090a.png
ENGINES/s6d1557c/030090a.png · 13 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
5 07042-00108 Plug 4 SN: 28770-UP
6 6127-11-5810 Gasket (K1) 6 SN: 22146-UP
7 01011-61210 Bolt 18 SN: 22146-UP
8 6127-11-5190 Lock (K1) 6 SN: 22146-UP
9 6127-11-5180 Spacer 18 SN: 22146-UP
11 6127-81-2810 Gasket (K1) 1 SN: 22146-UP
14 6128-81-2830 Ring 1 SN: 22146-UP
17 07003-01824 Gasket (K1) 1 SN: 28770-UP
19 07003-01015 Gasket (K1) 1 SN: 28770-UP
23 07214-50813 Connector 1 SN: 28770-UP
27 01602-01236 Washer 1 SN: 28770-UP
28 01010-31225 Bolt 1 SN: 28770-UP
29 01602-01236 Washer 1 SN: 28770-UP

S6D155-4K — Exhaust Manifold And Muffler(#22146-28769)

Komatsu S6D155-4K Cylinder Head Parts diagram ENGINES/s6d1557c/030080a.png
ENGINES/s6d1557c/030080a.png · 12 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
8 6127-11-5810 Gasket (K1) 6 SN: 22146-@
9 6127-11-5190 Lock (K1) 6 SN: 22146-@
10 01011-61210 Bolt 18 SN: 22146-@
11 6127-11-5180 Spacer,(See Fig.1141B) 18 SN: 22146-@
13 6127-81-2810 Gasket (K1) 1 SN: 22146-@
18 6128-81-2830 Ring 1 SN: 22146-@
24 01641-21423 Washer 2 SN: 22146-28769
27 69902-0-3270 Gasket (K1) 1 SN: 22146-28769
29 6127-11-5180 Spacer 4 SN: 22146-28769
34 01010-31040 Bolt 4 SN: 22146-28769
39 07003-01824 Gasket (K1) 2 SN: 22146-28769
40 07003-01015 Gasket (K1) 2 SN: 22146-28769

Shop the Komatsu S6D155-4K Cylinder Head Parts collection

S6D155-4K Cylinder Head Parts lookup notes

Use this hub when the repair has already been narrowed to cylinder head parts. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.

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This hub includes 46 linked product listings. Use the collection link above to browse the full set.

Parts-book verification before ordering

Komatsu engine parts often change by engine arrangement, serial range, diagram callout, and option note. 19PARTS uses engine-model organization to help you move from a broad Komatsu part number search into a tighter reference path, but final fitment should always be confirmed against your engine serial number and parts book.

Our Keep Ops Moving approach is simple: give buyers cleaner lookup paths, clear part-number references, and practical cross-navigation so rebuild shops, fleet teams, mechanics, and equipment owners can identify the right components faster.