Komatsu S6D125-1D Engine Overhaul Kits
Komatsu S6D125-1D Engine Overhaul Kits 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 S6D125-1D Engine Overhaul Kits
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.
S6D125-1D — Gasket Kit(#10423-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 1 | 02893-05043 | O-Ring | 6 | SN: 13377-UP |
| 1 | 02893-05043 | O-Ring | 10 | SN: 10423-13376 |
| 1 | 07000-65065 | O-Ring | 6 | SN: 10423-UP |
| 1 | 07005-00812 | Gasket | 12 | SN: 10423-UP |
| 1 | 07005-01012 | Gasket | 12 | SN: 10423-UP |
| 1 | 07005-01412 | Gasket | 2 | SN: 10423-UP |
| 1 | 07005-01412 | Gasket | 1 | SN: 10423-UP |
| 1 | 07005-01612 | Gasket | 1 | SN: 10423-UP |
| 1 | 08034-00414 | Band | 3 | SN: 10423-UP |
| 1 | 08034-00519 | Band | 3 | SN: 10423-UP |
| 1 | 6127-81-4821 | Gasket | 1 | SN: 10423-UP |
| 1 | 6138-11-6810 | Gasket | 2 | SN: 10423-UP |
| 1 | 6140-41-4540 | Seal | 12 | SN: 10423-UP |
| 1 | 6150-11-4810 | Gasket | 6 | SN: 10423-UP |
| 1 | 6150-11-4820 | Gasket | 2 | SN: 10423-UP |
| 1 | 6150-11-5750 | Gasket | 1 | SN: 10423-UP |
| 1 | 6150-11-5810 | Gasket | 6 | SN: 10423-UP |
| 1 | 6150-11-6310 | Gasket | 6 | SN: 10423-UP |
| 1 | 6150-11-7810 | Gasket | 6 | SN: 10423-UP |
| 1 | 6150-11-8810 | Gasket | 6 | SN: 10423-UP |
| 1 | 6150-11-8820 | Rubber | 24 | SN: 10423-UP |
| 1 | 6150-17-1812 | Gasket | 6 | SN: 21446-UP |
| 1 | 6150-61-6830 | Gasket | 1 | SN: 10423-UP |
| 1 | 6151-11-5710 | Gasket | 1 | SN: 10423-UP |
| 1 | 6151-51-8150 | Gasket | 1 | SN: 10423-UP |
| 1 | 6151-51-8160 | Gasket | 1 | SN: 10423-UP |
| 1 | 6151-K1-0303 | Gasket Kit,Cylinder Head | 1 | SN: 21446-25129 |
| 1 | DK029300-5070 | Gasket | 6 | SN: 10423-21440 |
| 1 | The part and the part specified in the line immediately above are interchangeable.6150-11-1810 | Gasket | 6 | SN: 10423-13376 |
| 1 | The part specified in the line above can be used instead of this part6150-11-1811 | Gasket | 6 | SN: 13377-21440 |
| 1 | The part specified in the line above can be used instead of this part6150-11-1812 | Gasket | 6 | SN: 21441-21445 |
| 1 | The part specified in the line above can be used instead of this part6151-K1-0301 | Gasket Kit,Cylinder Head | 1 | SN: 13377-21440 |
| 1 | The part specified in the line above can be used instead of this part6151-K1-0302 | Gasket Kit,Cylinder Head | 1 | SN: 21441-21445 |
| 2 | 07000-02020 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-03030 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-62015 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-62020 | O-Ring | 1 | SN: 10423-23902 |
| 2 | 07000-62020 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-62125 | O-Ring | 1 | SN: 43485-UP |
| 2 | 07000-63028 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-63035 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-63042 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07000-63045 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07002-22434 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07002-23034 | O-Ring | 1 | SN: 10423-UP |
| 2 | 07002-32434 | O-Ring | 3 | SN: 10423-UP |
| 2 | 07005-00812 | Gasket | 1 | SN: 10423-43484 |
| 2 | 07005-01012 | Gasket | 2 | SN: 29383-UP |
| 2 | 07005-01012 | Gasket | 1 | SN: 10423-29382 |
| 2 | 07005-01012 | Gasket | 4 | SN: 10423-UP |
| 2 | 07005-01412 | Gasket | 1 | SN: 10423-UP |
| 2 | 07005-01412 | Gasket | 5 | SN: 17810-UP |
| 2 | 07005-01412 | Gasket | 4 | SN: 10423-17809 |
| 2 | 07005-01412 | Gasket | 18 | SN: 10423-UP |
| 2 | 08034-00414 | Band | 3 | SN: 10423-UP |
| 2 | 08034-00519 | Band | 3 | SN: 10423-UP |
| 2 | 6114-21-5190 | O-Ring | 1 | SN: 10423-UP |
| 2 | 6124-61-2181 | Grommet | 2 | SN: 10423-UP |
| 2 | 6130-82-5270 | Gasket | 1 | SN: 10423-UP |
| 2 | 6150-21-1190 | O-Ring | 2 | SN: 10423-UP |
| 2 | 6150-21-2230 | O-Ring | 6 | SN: 10423-UP |
| 2 | 6150-21-2240 | O-Ring | 6 | SN: 10423-UP |
| 2 | 6150-21-2250 | Seal | 6 | SN: 10423-UP |
| 2 | 6150-21-3230 | Seal¤ Front | 1 | SN: 10423-UP |
| 2 | 6150-21-6390 | Packing | 9 | SN: 29383-UP |
| 2 | 6150-21-6450 | Gasket | 3 | SN: 29383-UP |
| 2 | 6150-51-1710 | Ring | 1 | SN: 10423-UP |
| 2 | 6150-51-1720 | Ring | 1 | SN: 10423-UP |
| 2 | 6150-61-1820 | Gasket | 2 | SN: 10423-UP |
| 2 | 6150-61-2510 | O-Ring | 2 | SN: 10423-UP |
| 2 | 6150-61-2520 | O-Ring | 4 | SN: 10423-17809 |
| 2 | 6150-61-2540 | Seal | 1 | SN: 10423-UP |
| 2 | 6150-61-2550 | O-Ring | 1 | SN: 10423-UP |
| 2 | 6150-61-2560 | Gasket | 2 | SN: 17810-UP |
| 2 | 6150-61-2812 | Gasket | 1 | SN: 17810-UP |
| 2 | 6150-61-9130 | Gasket | 1 | SN: 10423-UP |
| 2 | 6150-61-9150 | Gasket | 1 | SN: 10423-UP |
| 2 | 6150-71-1910 | Seal | 1 | SN: 17810-UP |
| 2 | 6162-73-1960 | Washer | 1 | SN: 17810-UP |
| 2 | 6610-81-2210 | Gasket | 1 | SN: 10423-UP |
| 2 | The part and the part specified in the line immediately above are interchangeable.07000-02125 | O-Ring | 1 | SN: 10423-43484 |
| 2 | The part and the part specified in the line immediately above are interchangeable.6136-11-8142 | Packing | 9 | SN: 10423-29382 |
| 2 | The part specified in the line above can be used instead of this part6150-21-4250 | Seal¤ Rear | 1 | SN: 17810-43484 |
| 2 | The part specified in the line above can be used instead of this part6150-21-6460 | O-Ring | 3 | SN: 10423-29382 |
| 2 | The part specified in the line above can be used instead of this part6150-61-2811 | Gasket | 1 | SN: 10423-17809 |
| 2 | The part specified in the line above can be used instead of this part6610-71-1911 | Seal | 1 | SN: 10423-17809 |
| 3 | 01658-26223 | Washer | 1 | SN: 10423-UP |
| 3 | 07000-02010 | O-Ring | 1 | SN: 10423-UP |
| 3 | 07000-02085 | O-Ring | 1 | SN: 10423-UP |
| 3 | 07000-02105 | O-Ring | 1 | SN: 10423-UP |
| 3 | 07000-62095 | O-Ring | 1 | SN: 10423-UP |
| 3 | 07000-63088 | O-Ring | 1 | SN: 10423-UP |
| 3 | 07000-65110 | O-Ring | 1 | SN: 10423-UP |
| 3 | 07005-01012 | Gasket | 23 | SN: 10423-UP |
| 3 | 6631-21-4870 | O-Ring | 1 | SN: 10423-UP |
| 6 | 07000-62115 | O-Ring | 1 | SN: 43485-UP |
| 6 | 6150-61-1510 | Seal | 1 | SN: 10423-UP |
| 6 | 6150-61-1520 | Seal¤ Water | 1 | SN: 10423-UP |
| 6 | 6150-61-1820 | Gasket | 2 | SN: 10423-UP |
| 6 | 6150-61-6910 | Gasket | 1 | SN: 10423-UP |
| 6 | 6151-61-1161 | Gasket | 1 | SN: 10104-UP |
| 6 | The part and the part specified in the line immediately above are interchangeable.07000-02115 | O-Ring | 1 | SN: 10423-43484 |
| 8 | 07000-62125 | O-Ring | 1 | SN: 43485-UP |
| 8 | 07005-01012 | Gasket | 4 | SN: 10423-UP |
| 8 | 07005-01412 | Gasket | 8 | SN: 10423-UP |
| 8 | 6151-K8-1002 | Gasket Kit,Air Compressor | 1 | SN: 43485-UP |
| 8 | 6164-91-6220 | Gasket | 2 | SN: 34485-UP |
| 8 | DK029312-4070 | Shim | 1 | SN: 34485-UP |
| 8 | DK029333-8020 | Gasket | 2 | SN: 10423-UP |
| 8 | DK029623-8040 | Seal | 1 | SN: 10423-UP |
| 8 | DK487020-2100 | Gasket | 1 | SN: 10423-UP |
| 8 | DK487039-0200 | Gasket | 1 | SN: 10423-UP |
| 8 | DK487061-2500 | O-Ring | 1 | SN: 10423-UP |
| 8 | DK487061-3700 | O-Ring | 1 | SN: 10423-UP |
| 8 | The part and the part specified in the line immediately above are interchangeable.07000-02125 | O-Ring | 1 | SN: 10423-43484 |
| 8 | The part and the part specified in the line immediately above are interchangeable.07005-02416 | Gasket | 2 | SN: 10423-34484 |
| 8 | The part specified in the line above can be used instead of this part6151-K8-1000 | Gasket Kit,Air Compressor | 1 | SN: 10423-34484 |
| 8 | The part specified in the line above can be used instead of this part6151-K8-1001 | Gasket Kit,Air Compressor | 1 | SN: 34485-43484 |
Shop the Komatsu S6D125-1D Engine Overhaul Kits collection
S6D125-1D Engine Overhaul Kits lookup notes
Use this hub when the repair has already been narrowed to engine overhaul kits. 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 Gasket 6150-17-1812 — SKU KOM-6150-17-1812 | Gasket
- Komatsu Engine Gasket 6150-61-9130 — SKU KOM-6150-61-9130 | Gasket
- Komatsu Engine Gasket 6150-61-9150 — SKU KOM-6150-61-9150 | Product code 6150-61-9151 | Gasket
- Komatsu Engine Gasket DK487020-2100 — SKU KOM-DK487020-2100 | Product code Dk487020-2100 | Gasket
- Komatsu Engine Gasket Air Intake Manifold 6150-11-4810 — SKU KOM-6150-11-4810 | Gasket Air Intake Manifold
- Komatsu Engine Gasket Delivery Valve DK487039-0200 — SKU KOM-DK487039-0200 | Product code Dk487039-0200 | Gasket Delivery Valve
- Komatsu Engine Gasket Exhaust Connector 6150-11-5750 — SKU KOM-6150-11-5750 | Gasket Exhaust Connector
- Komatsu Engine Gasket Intake Valve DK029333-8020 — SKU KOM-DK029333-8020 | Product code Dk029333-8020 | Gasket Intake Valve
- Komatsu Engine Gasket Kit Air Compressor 6151-K8-1002 — SKU KOM-6151-K8-1002 | Gasket Kit Air Compressor
- Komatsu Engine Gasket Kit Cylinder Head 6151-K1-0303 — SKU KOM-6151-K1-0303 | Product code 6151-K1-0301 | Gasket Kit Cylinder Head
- Komatsu Engine Gasket Lubricating Oil Piping 6151-51-8160 — SKU KOM-6151-51-8160 | Gasket Lubricating Oil Piping
- Komatsu Engine Gasket Ribbon Heater 6150-11-4820 — SKU KOM-6150-11-4820 | Gasket Ribbon Heater
- Komatsu Engine Gasket Water Pump Cover 6150-61-6910 — SKU KOM-6150-61-6910 | Gasket Water Pump Cover
- Komatsu Engine O-Ring 07000-02010 — SKU KOM-07000-02010 | O-Ring
- Komatsu Engine O-Ring 07000-63088 — SKU KOM-07000-63088 | O-Ring
- Komatsu Engine O-Ring 07000-65110 — SKU KOM-07000-65110 | O-Ring
- Komatsu Engine O-Ring 07002-32434 — SKU KOM-07002-32434 | O-Ring
- Komatsu Engine O-Ring 6631-21-4870 — SKU KOM-6631-21-4870 | O-Ring
- Komatsu Engine O-Ring Air Compressor DK487061-2500 — SKU KOM-DK487061-2500 | Product code Dk487061-2500 | O-Ring Air Compressor
- Komatsu Engine Seal Oil DK029623-8040 — SKU KOM-DK029623-8040 | Product code Dk029623-8040 | Seal Oil
- Komatsu Engine Shim DK029312-4070 — SKU KOM-DK029312-4070 | Product code Dk029312-4070 | Shim
- Komatsu Engine Washer Lock 01658-26223 — SKU KOM-01658-26223 | Washer Lock
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.