Komatsu S6D125-1S Cylinder Head Parts Hub
Komatsu S6D125-1S 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 S6D125-1S 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.
S6D125-1S — Cylinder Head(#13137-26690)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6136-11-1130 | Sleeve | 1 | SN: 13137-@ |
| 3 | 6150-11-1331 | Insert,Intake Valve (Std) | 2 | SN: 13137-@ |
| 3 | 6150-19-1331 | Insert¤ 0.25Mm,Intake Valve (Os) | 2 | SN: 13137-@ |
| 4 | 6150-11-1320 | Insert,Exhaust Valve (Std) | 2 | SN: 13137-@ |
| 4 | 6150-19-1320 | Insert¤ 0.25Mm,Exhaust Valve (Os) | 2 | SN: 13137-@ |
| 5 | 6150-12-1341 | Guide,Intake Valve | 2 | SN: 13137-@ |
| 6 | 6150-12-1351 | Guide,Exhaust Valve | 2 | SN: 13137-@ |
| 7 | 6150-11-1140 | Guide | 2 | SN: 13137-@ |
| 8 | 6162-13-1150 | Plug | 8 | SN: 13137-@ |
| 9 | 04020-00820 | Pin,Dowel | 2 | SN: 13137-@ |
| 10 | 6150-41-4111 | Valve,Intake | 12 | SN: 13137-@ |
| 11 | 6150-41-4210 | Valve,Exhaust | 12 | SN: 13137-@ |
| 12 | 6150-41-4540 | Rotator,Intake Valve | 12 | SN: 13137-@ |
| 13 | 6140-41-4540 | Seal,Exhaust Valve (K1) | 12 | SN: 13137-@ |
| 14 | 6150-41-4430 | Seat,Lower | 12 | SN: 13137-@ |
| 15 | 6150-41-4510 | Seat,Upper | 24 | SN: 13137-@ |
| 16 | 6136-42-4520 | Cotter | 48 | SN: 13137-@ |
| 17 | 6150-41-4420 | Spring,Intake | 12 | SN: 13137-@ |
| 18 | 6150-41-4411 | Spring,Exhaust | 12 | SN: 13137-@ |
| 22 | 6150-11-1812 | Gasket (K1) | 6 | SN: 25721-26690 |
| 22 | The part specified in the line above can be used instead of this part6150-11-1810 | Gasket (K1) | 6 | SN: 13137-25719 |
| 22 | The part specified in the line above can be used instead of this part6150-11-1811 | Gasket | 6 | SN: 25720-25720 |
| 24 | 6150-11-1610 | Bolt | 36 | SN: 13137-@ |
S6D125-1S — Cylinder Head(#26691-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6136-11-1130 | Sleeve | 1 | SN: 13137-UP |
| 3 | 6150-11-1331 | Insert,Intake Valve (Std) | 2 | SN: 13137-UP |
| 3 | 6150-19-1331 | Insert¤ 0.25Mm,Intake Valve (Os) | 2 | SN: 13137-UP |
| 4 | 6150-11-1320 | Insert,Exhaust Valve (Std) | 2 | SN: 13137-UP |
| 4 | 6150-19-1320 | Insert¤ 0.25Mm,Exhaust Valve (Os) | 2 | SN: 13137-UP |
| 5 | 6150-12-1341 | Guide,Intake Valve | 2 | SN: 13137-UP |
| 6 | 6150-12-1351 | Guide,Exhaust Valve | 2 | SN: 13137-UP |
| 7 | 6150-11-1140 | Guide | 2 | SN: 13137-UP |
| 8 | 6162-13-1150 | Plug | 8 | SN: 13137-UP |
| 9 | 04020-00820 | Pin,Dowel | 2 | SN: 13137-UP |
| 10 | 6150-41-4111 | Valve,Intake | 12 | SN: 13137-UP |
| 11 | 6150-41-4210 | Valve,Exhaust | 12 | SN: 13137-UP |
| 12 | 6150-41-4540 | Rotator,Intake Valve | 12 | SN: 13137-UP |
| 13 | 6140-41-4540 | Seal,Exhaust Valve (K1) | 12 | SN: 13137-UP |
| 14 | 6150-41-4430 | Seat,Lower | 12 | SN: 13137-UP |
| 15 | 6150-41-4510 | Seat,Upper | 24 | SN: 13137-UP |
| 16 | 6136-42-4520 | Cotter | 48 | SN: 13137-UP |
| 17 | 6150-41-4420 | Spring,Intake | 12 | SN: 13137-UP |
| 18 | 6150-41-4411 | Spring,Exhaust | 12 | SN: 13137-UP |
| 22 | 6150-17-1812 | Gasket (K1) | 6 | SN: 26691-UP |
| 23 | 6150-11-1920 | Grommet,Oil | 1 | SN: 26691-UP |
| 24 | 6150-11-1930 | Grommet,Oil | 1 | SN: 26691-UP |
| 26 | 6150-11-1610 | Bolt | 36 | SN: 13137-UP |
S6D125-1S — Cylinder Head(#13137-26690)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6136-11-1130 | Sleeve | 1 | SN: 13137-@ |
| 3 | 6150-11-1331 | Insert,Intake Valve (Std) | 2 | SN: 13137-@ |
| 3 | 6150-19-1331 | Insert¤ 0.25Mm,Intake Valve (Os) | 2 | SN: 13137-@ |
| 4 | 6150-11-1320 | Insert,Exhaust Valve (Std) | 2 | SN: 13137-@ |
| 4 | 6150-19-1320 | Insert¤ 0.25Mm,Exhaust Valve (Os) | 2 | SN: 13137-@ |
| 5 | 6150-12-1341 | Guide,Intake Valve | 2 | SN: 13137-@ |
| 6 | 6150-12-1351 | Guide,Exhaust Valve | 2 | SN: 13137-@ |
| 7 | 6150-11-1140 | Guide | 2 | SN: 13137-@ |
| 8 | 6162-13-1150 | Plug | 8 | SN: 13137-@ |
| 9 | 04020-00820 | Pin,Dowel | 2 | SN: 13137-@ |
| 10 | 6150-41-4111 | Valve,Intake | 12 | SN: 13137-@ |
| 11 | 6150-41-4210 | Valve,Exhaust | 12 | SN: 13137-@ |
| 12 | 6150-41-4540 | Rotator,Intake Valve | 12 | SN: 13137-@ |
| 13 | 6140-41-4540 | Seal,Exhaust Valve (K1) | 12 | SN: 13137-@ |
| 14 | 6150-41-4430 | Seat,Lower | 12 | SN: 13137-@ |
| 15 | 6150-41-4510 | Seat,Upper | 24 | SN: 13137-@ |
| 16 | 6136-42-4520 | Cotter | 48 | SN: 13137-@ |
| 17 | 6150-41-4420 | Spring,Intake | 12 | SN: 13137-@ |
| 18 | 6150-41-4411 | Spring,Exhaust | 12 | SN: 13137-@ |
| 22 | 6150-11-1812 | Gasket (K1) | 6 | SN: 25721-26690 |
| 22 | The part specified in the line above can be used instead of this part6150-11-1810 | Gasket (K1) | 6 | SN: 13137-25719 |
| 22 | The part specified in the line above can be used instead of this part6150-11-1811 | Gasket | 6 | SN: 25720-25720 |
| 24 | 6150-11-1610 | Bolt | 36 | SN: 13137-@ |
S6D125-1S — Cylinder Head(#26691-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6136-11-1130 | Sleeve | 1 | SN: 13137-UP |
| 3 | 6150-11-1331 | Insert,Intake Valve (Std) | 2 | SN: 13137-UP |
| 3 | 6150-19-1331 | Insert¤ 0.25Mm,Intake Valve (Os) | 2 | SN: 13137-UP |
| 4 | 6150-11-1320 | Insert,Exhaust Valve (Std) | 2 | SN: 13137-UP |
| 4 | 6150-19-1320 | Insert¤ 0.25Mm,Exhaust Valve (Os) | 2 | SN: 13137-UP |
| 5 | 6150-12-1341 | Guide,Intake Valve | 2 | SN: 13137-UP |
| 6 | 6150-12-1351 | Guide,Exhaust Valve | 2 | SN: 13137-UP |
| 7 | 6150-11-1140 | Guide | 2 | SN: 13137-UP |
| 8 | 6162-13-1150 | Plug | 8 | SN: 13137-UP |
| 9 | 04020-00820 | Pin,Dowel | 2 | SN: 13137-UP |
| 10 | 6150-41-4111 | Valve,Intake | 12 | SN: 13137-UP |
| 11 | 6150-41-4210 | Valve,Exhaust | 12 | SN: 13137-UP |
| 12 | 6150-41-4540 | Rotator,Intake Valve | 12 | SN: 13137-UP |
| 13 | 6140-41-4540 | Seal,Exhaust Valve (K1) | 12 | SN: 13137-UP |
| 14 | 6150-41-4430 | Seat,Lower | 12 | SN: 13137-UP |
| 15 | 6150-41-4510 | Seat,Upper | 24 | SN: 13137-UP |
| 16 | 6136-42-4520 | Cotter | 48 | SN: 13137-UP |
| 17 | 6150-41-4420 | Spring,Intake | 12 | SN: 13137-UP |
| 18 | 6150-41-4411 | Spring,Exhaust | 12 | SN: 13137-UP |
| 22 | 6150-17-1812 | Gasket (K1) | 6 | SN: 26691-UP |
| 23 | 6150-11-1920 | Grommet,Oil | 1 | SN: 26691-UP |
| 24 | 6150-11-1930 | Grommet,Oil | 1 | SN: 26691-UP |
| 26 | 6150-11-1610 | Bolt | 36 | SN: 13137-UP |
S6D125-1S — Air Cleaner And Mounting
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6125-81-7032 | Element Ass'Y | 1 | SN: 13137-UP |
| 4 | 600-181-7511 | Washer,Seal | 1 | SN: 13137-UP |
| 5 | 600-181-4300 | Element Ass'Y,Outer | 1 | SN: 13137-UP |
| 7 | 600-181-4591 | Washer,Seal | 1 | SN: 13137-UP |
| 14 | 6127-81-4821 | Gasket (K1) | 1 | SN: 13137-UP |
| 15 | 01582-11008 | Nut | 8 | SN: 13137-UP |
| 16 | 01640-21016 | Washer | 8 | SN: 13137-UP |
| 23 | 01640-21016 | Washer | 4 | SN: 32120-UP |
| 23 | 01640-21016 | Washer | 2 | SN: 13137-32119 |
| 27 | 01640-21016 | Washer | 2 | SN: 13137-UP |
| 32 | 08670-01641 | Indicator,Dust (English-French) | 1 | SN: 13137-UP |
| 32 | 08670-02001 | Indicator,Dust (Japanese-English) | 1 | SN: 15114-UP |
| 32 | 08670-11635 | Indicator,Dust (English-Spanish) | 1 | SN: 13137-UP |
| 32 | 08670-11645 | Indicator,Dust (English-Indonesian) | 1 | SN: 13137-UP |
| 32 | 08670-21635 | Indicator,Dust (English-German) | 1 | SN: 13137-UP |
| 32 | 08670-21640 | Indicator,Dust (English-Italian) | 1 | SN: 13137-UP |
| 32 | 08670-31640 | Indicator,Dust (Chinese) | 1 | SN: 13137-UP |
| 32 | 08670-31645 | Indicator,Dust (English-Persian) | 1 | SN: 13137-UP |
| 32 | 08670-41635 | Indicator,Dust (English-Greek) | 1 | SN: 13137-UP |
| 32 | 08670-41640 | Indicator,Dust (English-Arabic) | 1 | SN: 13137-UP |
S6D125-1S — Air Cleaner And Mounting
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6125-81-7032 | Element Ass'Y | 1 | SN: 13137-UP |
| 4 | 600-181-7511 | Washer,Seal | 1 | SN: 13137-UP |
| 5 | 600-181-4300 | Element Ass'Y,Outer | 1 | SN: 13137-UP |
| 7 | 600-181-4591 | Washer,Seal | 1 | SN: 13137-UP |
| 14 | 6127-81-4821 | Gasket (K1) | 1 | SN: 13137-UP |
| 15 | 01582-11008 | Nut | 8 | SN: 13137-UP |
| 16 | 01640-21016 | Washer | 8 | SN: 13137-UP |
| 23 | 01640-21016 | Washer | 4 | SN: 32120-UP |
| 23 | 01640-21016 | Washer | 2 | SN: 13137-32119 |
| 27 | 01640-21016 | Washer | 2 | SN: 13137-UP |
| 32 | 08670-01641 | Indicator,Dust (English-French) | 1 | SN: 13137-UP |
| 32 | 08670-02001 | Indicator,Dust (Japanese-English) | 1 | SN: 15114-UP |
| 32 | 08670-11635 | Indicator,Dust (English-Spanish) | 1 | SN: 13137-UP |
| 32 | 08670-11645 | Indicator,Dust (English-Indonesian) | 1 | SN: 13137-UP |
| 32 | 08670-21635 | Indicator,Dust (English-German) | 1 | SN: 13137-UP |
| 32 | 08670-21640 | Indicator,Dust (English-Italian) | 1 | SN: 13137-UP |
| 32 | 08670-31640 | Indicator,Dust (Chinese) | 1 | SN: 13137-UP |
| 32 | 08670-31645 | Indicator,Dust (English-Persian) | 1 | SN: 13137-UP |
| 32 | 08670-41635 | Indicator,Dust (English-Greek) | 1 | SN: 13137-UP |
| 32 | 08670-41640 | Indicator,Dust (English-Arabic) | 1 | SN: 13137-UP |
Shop the Komatsu S6D125-1S Cylinder Head Parts collection
S6D125-1S 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.
Related parent hubs
Featured parts in this hub
- Komatsu Engine Center Housing A GA441398-5052 — SKU KOM-GA441398-5052 | Product code Ga441398-5052 | Center Housing A
- Komatsu Engine Gasket Head 6150-11-1812 — SKU KOM-6150-11-1812 | Gasket Head
- Komatsu Engine Guide Exhaust Valve 6150-12-1351 — SKU KOM-6150-12-1351 | Guide Exhaust Valve
- Komatsu Engine Guide Intake Valve 6150-12-1341 — SKU KOM-6150-12-1341 | Guide Intake Valve
- Komatsu Engine Indicator Dust 08670-01641 — SKU KOM-08670-01641 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-11635 — SKU KOM-08670-11635 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-11645 — SKU KOM-08670-11645 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-21635 — SKU KOM-08670-21635 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-21640 — SKU KOM-08670-21640 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-31635 — SKU KOM-08670-31635 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-31640 — SKU KOM-08670-31640 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-31645 — SKU KOM-08670-31645 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-41635 — SKU KOM-08670-41635 | Indicator Dust
- Komatsu Engine Indicator Dust 08670-41640 — SKU KOM-08670-41640 | Indicator Dust
- Komatsu Engine Manifold Exhaust¤ Center 6151-11-5160 — SKU KOM-6151-11-5160 | Manifold Exhaust¤ Center
- Komatsu Engine Muffler 6151-11-5720 — SKU KOM-6151-11-5720 | Muffler
- Komatsu Engine Ring Seal 6114-11-5280 — SKU KOM-6114-11-5280 | Ring Seal
- Komatsu Engine Rotator Intake Valve 6150-41-4540 — SKU KOM-6150-41-4540 | Rotator Intake Valve
- Komatsu Engine Sensor Water Temp 7861-91-3310 — SKU KOM-7861-91-3310 | Sensor Water Temp
- Komatsu Engine Sensor Water Temp 7861-91-3320 — SKU KOM-7861-91-3320 | Product code 7861-91-3310 | Sensor Water Temp
- Komatsu Engine Sensor Water Temp 7861-99-3300 — SKU KOM-7861-99-3300 | Sensor Water Temp
- Komatsu Engine Sensor Water Temperature 08620-00000 — SKU KOM-08620-00000 | Sensor Water Temperature
- Komatsu Engine Spring Exhaust 6150-41-4411 — SKU KOM-6150-41-4411 | Spring Exhaust
- Komatsu Engine Spring Intake 6150-41-4420 — SKU KOM-6150-41-4420 | Spring Intake
- Komatsu Engine Tube 6150-11-6210 — SKU KOM-6150-11-6210 | Tube
- Komatsu Engine Turbocharger A 6152-81-8110 — SKU KOM-6152-81-8110 | Turbocharger A
- Komatsu Engine Turbocharger Ass'Y 6151-81-8400 — SKU KOM-6151-81-8400 | Turbocharger Ass'Y
- Komatsu Engine Valve Exhaust 6150-41-4210 — SKU KOM-6150-41-4210 | Valve Exhaust
- Komatsu Engine Valve Intake 6150-41-4111 — SKU KOM-6150-41-4111 | Valve Intake
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.