Komatsu S6D155-4B Electrical Starting and Charging Parts Hub
Komatsu S6D155-4B Electrical Starting and Charging 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 S6D155-4B Electrical Starting and Charging 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.
S6D155-4B — Cooling Fan And Fan Drive
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 07000-05185 | O-Ring (K2) | 1 | SN: 10016-UP |
| 4 | 6127-61-3360 | Seal (K2) | 1 | SN: 10016-UP |
| 10 | 04020-00514 | Pin | 1 | SN: 10016-29842 |
| 11 | 07000-03045 | O-Ring (K2) | 1 | SN: 10016-UP |
| 14 | 01653-23318 | Washer (K2) | 1 | SN: 10016-UP |
| 16 | 01602-01030 | Washer | 7 | SN: 10016-UP |
| 19 | 04020-00514 | Pin | 1 | SN: 10016-UP |
| 20 | 07020-00000 | Fitting | 1 | SN: 10016-UP |
| 21 | 07043-50108 | Plug | 1 | SN: 26691-UP |
| 21 | 6127-61-3890 | Valve | 1 | SN: 10016-26690 |
| 23 | 01010-31230 | Bolt | 3 | SN: 10016-UP |
| 24 | 01602-01236 | Washer | 3 | SN: 10016-UP |
| 25 | 6127-61-3910 | Bearing | 2 | SN: 11782-UP |
| 26 | 06122-04004 | Seal (K2) | 2 | SN: 10016-11781 |
| 26 | 06122-04504 | Seal (K2) | 2 | SN: 11782-UP |
| 27 | 6124-61-3780 | Washer | 1 | SN: 10016-UP |
| 28 | 01010-30820 | Bolt | 1 | SN: 10278-UP |
| 31 | 07020-00675 | Fitting | 1 | SN: 10016-UP |
| 33 | 6127-61-3770 | Seal (K2) | 1 | SN: 10016-UP |
| 34 | 06000-06207 | Bearing | 2 | SN: 10016-UP |
| 36 | 04065-07225 | Ring | 1 | SN: 10016-UP |
| 38 | 6127-61-3790 | Lock (K2) | 1 | SN: 10016-UP |
| 39 | 01010-30820 | Bolt | 2 | SN: 10278-UP |
| 41 | 6127-61-3890 | Valve | 1 | SN: 10016-UP |
| 42 | 6124-61-3740 | Gasket (K2) | 1 | SN: 10016-UP |
| 43 | 01010-30820 | Bolt | 4 | SN: 10278-UP |
| 44 | 01602-00825 | Washer | 4 | SN: 29843-UP |
| 44 | The part specified in the line above can be used instead of this part6124-61-3790 | Lock (K2) | 2 | SN: 10016-29842 |
| 46 | 01602-01030 | Washer | 2 | SN: 10016-UP |
| 47 | 01580-01210 | Nut | 2 | SN: 10016-UP |
| 52 | 01010-31025 | Bolt | 2 | SN: 10016-28423 |
| 52 | 01010-31035 | Bolt | 2 | SN: 28424-UP |
| 53 | 01602-01030 | Washer | 2 | SN: 10016-UP |
| 55 | 6128-61-3111 | Fan | 1 | SN: 10038-14280 |
| 56 | 04122-22564 | V-Belt Set | 1 | SN: 24805-UP |
| 56 | 04122-22564 | V-Belt Set,(A) | 1 | SN: 24805-UP |
| 56 | 600-736-8240 | V-Belt Set,(A) | 1 | SN: 14281-24804 |
| 66 | 6127-61-3900 | Bearing Ass'Y | 1 | SN: 11782-UP |
| 54C | 07281-00709 | Clamp | 2 | SN: 50227-UP |
S6D155-4B — Water Pump And Piping
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 01010-30616 | Bolt | 6 | SN: 10016-UP |
| 4 | 01602-00619 | Washer | 6 | SN: 10016-UP |
| 5 | 07000-03135 | O-Ring (K6) | 1 | SN: 10016-UP |
| 6 | 07000-03042 | O-Ring (K6) | 1 | SN: 10016-13161 |
| 7 | 07000-05140 | O-Ring (K6) | 1 | SN: 10016-UP |
| 8 | 07012-20042 | Seal (K6) | 1 | SN: 10016-UP |
| 9 | 06000-06207 | Bearing | 1 | SN: 10016-UP |
| 10 | The part specified in the line above can be used instead of this part6610-61-1511 | Seal, Water (K6) | 1 | SN: 10016-25490 |
| 19 | 04010-00728 | Key | 1 | SN: 10016-UP |
| 21 | 06030-06206 | Bearing | 1 | SN: 10016-UP |
| 22 | 04065-06220 | Ring | 1 | SN: 10016-UP |
| 24 | 01658-22016 | Washer (K6) | 1 | SN: 10016-UP |
| 25 | 01643-32060 | Washer | 1 | SN: 10016-22970 |
| 26 | 01010-30820 | Bolt | 4 | SN: 10016-UP |
| 27 | 01602-00825 | Washer | 4 | SN: 10016-UP |
| 29 | 6124-61-1160 | Gasket (K6) | 1 | SN: 10016-UP |
| 30 | 01010-31235 | Bolt | 2 | SN: 10016-UP |
| 31 | 01602-01236 | Washer | 2 | SN: 10016-UP |
| 34 | 01010-31025 | Bolt | 1 | SN: 10016-27128 |
| 35 | 01602-01030 | Washer | 1 | SN: 10016-27128 |
| 36 | 01642-21016 | Washer | 1 | SN: 10016-27128 |
| 39 | 01602-00825 | Washer | 1 | SN: 10016-27128 |
| 40 | 6127-61-6850 | Gasket (K2) | 1 | SN: 10016-UP |
| 41 | 01010-31025 | Bolt | 2 | SN: 10016-27128 |
| 41 | 01010-31030 | Bolt | 2 | SN: 27129-UP |
| 42 | 01602-01030 | Washer | 2 | SN: 10016-UP |
| 44 | 6128-61-6860 | Gasket (K2) | 1 | SN: 10016-UP |
| 45 | 01010-31030 | Bolt | 2 | SN: 10016-UP |
| 46 | 01602-01030 | Washer | 2 | SN: 10016-UP |
| 47 | 6127-61-6421 | Hose | 1 | SN: 10016-UP |
| 48 | 07281-00489 | Clamp | 2 | SN: .-UP |
| 17A | 6124-61-1320 | V-Ring (K6) | 1 | SN: 15268-UP |
S6D155-4B — Water Pump And Piping (Tbg Spec.)(#40561-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 01140-31025 | Stud | 6 | SN: 40561-UP |
| 3 | 01582-01008 | Nut | 6 | SN: 40561-UP |
| 4 | 01602-01030 | Washer | 6 | SN: 40561-UP |
| 5 | 07000-05140 | O-Ring | 1 | SN: 40561-UP |
| 6 | 07012-20042 | Seal | 1 | SN: 40561-UP |
| 7 | 06000-06207 | Bearing | 1 | SN: 40561-UP |
| 8 | 6127-61-1516 | Seal, Water | 1 | SN: 40561-UP |
| 12 | 01583-12012 | Nut | 1 | SN: 40561-UP |
| 15 | 04010-00728 | Key | 1 | SN: 40561-UP |
| 17 | 06030-06206 | Bearing | 1 | SN: 40561-UP |
| 18 | 04065-06220 | Ring | 1 | SN: 40561-UP |
| 20 | 01658-02016 | Washer | 1 | SN: 40561-UP |
| 22 | 01010-30820 | Bolt | 4 | SN: 40561-UP |
| 23 | 01602-00825 | Washer | 4 | SN: 40561-UP |
| 25 | 07000-05165 | O-Ring | 1 | SN: 40561-UP |
| 26 | 6127-61-1190 | Grommet | 1 | SN: 40561-UP |
| 29 | 01010-31025 | Bolt | 1 | SN: 40561-UP |
| 30 | 01602-01030 | Washer | 1 | SN: 40561-UP |
| 31 | 01642-21016 | Washer | 1 | SN: 40561-UP |
| 33 | 01602-00825 | Washer | 1 | SN: 40561-UP |
| 34 | 6127-61-6850 | Gasket | 1 | SN: 40561-UP |
| 35 | 01010-31030 | Bolt | 2 | SN: 40561-UP |
| 36 | 01602-01030 | Washer | 2 | SN: 40561-UP |
| 38 | 6128-61-6860 | Gasket | 1 | SN: 40561-UP |
| 39 | 01010-31030 | Bolt | 2 | SN: 40561-UP |
| 40 | 01602-01030 | Washer | 2 | SN: 40561-UP |
| 42 | 07281-00489 | Clamp | 2 | SN: 40561-UP |
S6D155-4B — Alternator And Mounting (35A¤ 50A)(#24805-45355)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 1 | 600-821-8990 | Alternator A. (50A),(A)(W/After Cooler)(S6D155-4B) | 1 | SN: 27307-45355 |
| 4 | 01010-31045 | Bolt | 3 | SN: 29843-@ |
| 4 | 01010-31045 | Bolt | 6 | SN: 24805-29842 |
| 5 | 01010-31040 | Bolt | 2 | SN: 24805-@ |
| 6 | 01602-01030 | Washer | 3 | SN: 29843-@ |
| 6 | 01602-01030 | Washer | 6 | SN: 24805-29842 |
| 7 | 01580-01008 | Nut | 3 | SN: 29843-@ |
| 7 | 01580-01008 | Nut | 6 | SN: 24805-29842 |
| 9 | 01641-21423 | Washer | 1 | SN: 24805-45355 |
| 10 | 01602-01442 | Washer | 1 | SN: 24805-45355 |
| 11 | 01580-01411 | Nut | 1 | SN: 24805-45355 |
| 13 | 01010-31225 | Bolt | 1 | SN: 24805-@ |
| 15 | 01602-01236 | Washer | 1 | SN: 24805-@ |
| 18 | 600-736-9380 | V-Belt Set,(A)(W/After Cooler)(S6D155-4B) | 1 | SN: 27307-@ |
| 20 | 01011-61225 | Bolt | 6 | SN: 24805-@ |
| 21 | 6128-21-6730 | Spacer | 1 | SN: 24805-@ |
| 24 | 01602-00825 | Washer | 4 | SN: 24805-@ |
| 25 | 01641-20812 | Washer | 6 | SN: 24805-@ |
| 26 | 01580-00806 | Nut | 2 | SN: 24805-@ |
| 27 | 01640-01016 | Washer | 3 | SN: 24805-@ |
| 28 | 01602-01030 | Washer | 3 | SN: 24805-@ |
S6D155-4B — Alternator Drive(#24805-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 07042-20108 | Plug | 1 | SN: 25682-29842 |
| 2 | 07042-20108 | Plug | 2 | SN: 24805-25681 |
| 4 | 06000-06206 | Bearing | 1 | SN: 24805-UP |
| 5 | 04065-06220 | Ring | 1 | SN: 24805-UP |
| 9 | 04010-00519 | Key | 1 | SN: 24805-UP |
| 10 | 01602-01854 | Washer | 1 | SN: 24805-UP |
| 11 | 01583-01811 | Nut | 1 | SN: 24805-UP |
| 12 | 06000-06307 | Bearing | 1 | SN: 24805-UP |
| 14 | 07000-02075 | O-Ring (K2) | 1 | SN: 24805-UP |
| 15 | 01010-30616 | Bolt | 6 | SN: 29843-UP |
| 16 | 01602-00619 | Washer | 6 | SN: 24805-UP |
| 18 | 07000-03025 | O-Ring (K2) | 1 | SN: 24805-UP |
| 19 | 6128-21-6820 | Seal (K2) | 1 | SN: 30281-UP |
| 21 | 04000-00518 | Key | 1 | SN: 24805-UP |
| 24 | 07000-02140 | O-Ring (K2) | 1 | SN: 24805-UP |
| 25 | 01010-31240 | Bolt | 3 | SN: 24805-UP |
| 26 | 01602-01236 | Washer | 3 | SN: 24805-UP |
S6D155-4B — Alternator Drive (For 50A Alternator)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 07042-20108 | Plug | 1 | SN: 10016-29842 |
| 4 | 06000-06206 | Bearing | 1 | SN: 10016-UP |
| 5 | 04065-06220 | Ring | 1 | SN: 10016-UP |
| 9 | 04010-00519 | Key | 1 | SN: 10016-UP |
| 10 | 01602-01854 | Washer | 1 | SN: 10016-UP |
| 11 | 01583-01811 | Nut | 1 | SN: 10016-UP |
| 12 | 06000-06307 | Bearing | 1 | SN: 10016-UP |
| 14 | 07000-02075 | O-Ring (K2) | 1 | SN: 10016-UP |
| 15 | 01010-30616 | Bolt | 6 | SN: 29843-UP |
| 16 | 01602-00619 | Washer | 6 | SN: 10016-UP |
| 18 | 07000-03025 | O-Ring (K2) | 1 | SN: 10016-UP |
| 19 | 6128-21-6820 | Seal (K2) | 1 | SN: 30281-UP |
| 21 | 04000-00518 | Key | 1 | SN: 10016-UP |
| 24 | 07000-02140 | O-Ring (K2) | 1 | SN: 10016-UP |
| 25 | 01010-31240 | Bolt | 3 | SN: 10016-UP |
| 26 | 01602-01236 | Washer | 3 | SN: 10016-UP |
Shop the Komatsu S6D155-4B Electrical Starting and Charging Parts collection
S6D155-4B Electrical Starting and Charging Parts lookup notes
Use this hub when the repair has already been narrowed to electrical starting and charging parts. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.
Related parent hubs
Featured parts in this hub
- Komatsu Engine Alternator A 600-821-8780 — SKU KOM-600-821-8780 | Product code 600-821-9440 | Alternator A
- Komatsu Engine Alternator A 600-821-8990 — SKU KOM-600-821-8990 | Product code 600-821-9440 | Alternator A
- Komatsu Engine Ball Bearing 06000-06307 — SKU KOM-06000-06307 | Ball Bearing
- Komatsu Engine Ball Bearing 06030-06206 — SKU KOM-06030-06206 | Ball Bearing
- Komatsu Engine Bearing Assembly 6127-61-3900 — SKU KOM-6127-61-3900 | Bearing Assembly
- Komatsu Engine Bearing Ball 06000-06206 — SKU KOM-06000-06206 | Bearing Ball
- Komatsu Engine Bearing Needle 6127-61-3910 — SKU KOM-6127-61-3910 | Bearing Needle
- Komatsu Engine Bolt 01011-61225 — SKU KOM-01011-61225 | Bolt
- Komatsu Engine Corrosion Resis 600-411-1020 — SKU KOM-600-411-1020 | Corrosion Resis
- Komatsu Engine Fan 6128-61-3111 — SKU KOM-6128-61-3111 | Fan
- Komatsu Engine Gasket 6124-61-1160 — SKU KOM-6124-61-1160 | Gasket
- Komatsu Engine Gasket 6124-61-3740 — SKU KOM-6124-61-3740 | Gasket
- Komatsu Engine Gasket 6127-61-6850 — SKU KOM-6127-61-6850 | Gasket
- Komatsu Engine Gasket 6128-61-6860 — SKU KOM-6128-61-6860 | Gasket
- Komatsu Engine Grommet 6127-61-1190 — SKU KOM-6127-61-1190 | Grommet
- Komatsu Engine Heater Signal 600-815-2210 — SKU KOM-600-815-2210 | Heater Signal
- Komatsu Engine Hose 6127-61-6421 — SKU KOM-6127-61-6421 | Hose
- Komatsu Engine Key 04000-00518 — SKU KOM-04000-00518 | Key
- Komatsu Engine Nut 01582-02016 — SKU KOM-01582-02016 | Nut
- Komatsu Engine Nut 01583-12012 — SKU KOM-01583-12012 | Nut
- Komatsu Engine O-Ring 07000-02140 — SKU KOM-07000-02140 | O-Ring
- Komatsu Engine O-Ring 07000-03042 — SKU KOM-07000-03042 | O-Ring
- Komatsu Engine O-Ring 07000-03135 — SKU KOM-07000-03135 | O-Ring
- Komatsu Engine O-Ring 07000-05185 — SKU KOM-07000-05185 | O-Ring
- Komatsu Engine O-Ring Generator 07000-05110 — SKU KOM-07000-05110 | O-Ring Generator
- Komatsu Engine O-Ring Starting Motor 07000-05135 — SKU KOM-07000-05135 | O-Ring Starting Motor
- Komatsu Engine O-Ring Water Pump 07000-05140 — SKU KOM-07000-05140 | O-Ring Water Pump
- Komatsu Engine O-Ring Water Pump 07000-05165 — SKU KOM-07000-05165 | O-Ring Water Pump
- Komatsu Engine Regulator Ass'Y 600-822-8110 — SKU KOM-600-822-8110 | Regulator Ass'Y
- Komatsu Engine Ring Snap 04065-06220 — SKU KOM-04065-06220 | Ring Snap
This hub includes 50 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.