Komatsu S6D125-1P Fuel System Parts Hub
Komatsu S6D125-1P Fuel System 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 S6D125-1P Fuel System 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.
S6D125-1P — Nozzle Holder
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 0 | 6151-11-3101 | Nozzle Holder Ass'Y | 6 | SN: 10296-UP |
| 1 | The part specified in the line above can be used instead of this part6151-11-3100 | Nozzle Holder Ass'Y | 6 | SN: 10001-10295 |
| 4 | DK150562-5000 | Spring,Nozzle | 1 | SN: 10001-UP |
| 5 | DK150530-4000 | Shim, 0.500Mm | - | SN: 10001-UP |
| 5 | DK150530-4100 | Shim, 0.525Mm | - | SN: 10001-UP |
| 5 | DK150530-4200 | Shim, 0.550Mm | - | SN: 10001-UP |
| 5 | DK150530-4300 | Shim, 0.575Mm | - | SN: 10001-UP |
| 5 | DK150530-4400 | Shim, 0.600Mm | - | SN: 10001-UP |
| 5 | DK150530-4500 | Shim, 0.625Mm | - | SN: 10001-UP |
| 5 | DK150530-4600 | Shim, 0.650Mm | - | SN: 10001-UP |
| 5 | DK150530-4700 | Shim, 0.675Mm | - | SN: 10001-UP |
| 5 | DK150530-4800 | Shim, 0.700Mm | - | SN: 10001-UP |
| 5 | DK150530-4900 | Shim, 0.725Mm | - | SN: 10001-UP |
| 5 | DK150530-5000 | Shim, 0.750Mm | - | SN: 10001-UP |
| 5 | DK150530-5100 | Shim, 0.775Mm | - | SN: 10001-UP |
| 5 | DK150530-5200 | Shim, 0.800Mm | - | SN: 10001-UP |
| 5 | DK150530-5300 | Shim, 0.825Mm | - | SN: 10001-UP |
| 5 | DK150530-5400 | Shim, 0.850Mm | - | SN: 10001-UP |
| 5 | DK150530-5600 | Shim, 0.900Mm | - | SN: 10001-UP |
| 5 | DK150530-5700 | Shim, 0.925Mm | - | SN: 10001-UP |
| 5 | DK150530-5800 | Shim, 0.950Mm | - | SN: 10001-UP |
| 5 | DK150530-5900 | Shim, 0.975Mm | - | SN: 10001-UP |
| 5 | DK150530-6000 | Shim, 1.000Mm | - | SN: 10001-UP |
| 5 | DK150530-6100 | Shim, 1.025Mm | - | SN: 10001-UP |
| 5 | DK150530-6200 | Shim, 1.050Mm | - | SN: 10001-UP |
| 5 | DK150530-6300 | Shim, 1.075Mm | - | SN: 10001-UP |
| 5 | DK150530-6400 | Shim, 1.100Mm | - | SN: 10001-UP |
| 5 | DK150530-6500 | Shim, 1.125Mm | - | SN: 10001-UP |
| 5 | DK150530-6600 | Shim, 1.150Mm | - | SN: 10001-UP |
| 5 | DK150530-6700 | Shim, 1.175Mm | - | SN: 10001-UP |
| 5 | DK150530-6800 | Shim, 1.200Mm | - | SN: 10001-UP |
| 5 | DK150530-6900 | Shim, 1.225Mm | - | SN: 10001-UP |
| 5 | DK150530-7000 | Shim, 1.250Mm | - | SN: 10001-UP |
| 5 | DK150530-7100 | Shim, 1.275Mm | - | SN: 10001-UP |
| 5 | DK150530-7200 | Shim, 1.300Mm | - | SN: 10001-UP |
| 5 | DK150530-7300 | Shim, 1.325Mm | - | SN: 10001-UP |
| 5 | DK150530-7400 | Shim, 1.350Mm | - | SN: 10001-UP |
| 5 | DK150530-7500 | Shim, 1.375Mm | - | SN: 10001-UP |
| 5 | DK150530-7600 | Shim, 1.400Mm | - | SN: 10001-UP |
| 5 | DK150530-7700 | Shim, 1.425Mm | - | SN: 10001-UP |
| 5 | DK150530-7800 | Shim, 1.450Mm | - | SN: 10001-UP |
| 5 | DK150530-7900 | Shim, 1.475Mm | - | SN: 10001-UP |
| 5 | DK150530-8000 | Shim, 1.500Mm | - | SN: 10001-UP |
| 8 | DK029300-5070 | Gasket (K1) | 1 | SN: 10001-UP |
| 10 | 6127-11-3152 | Bolt,Joint | 1 | SN: 10001-UP |
| 11 | 07005-00812 | Gasket (K1) | 2 | SN: 10001-UP |
| 12 | 6151-11-3121 | Nozzle | 1 | SN: 10296-UP |
| 12 | The part specified in the line above can be used instead of this part6151-11-3120 | Nozzle | 1 | SN: 10001-10295 |
| 14 | 07000-65065 | O-Ring (K1) | 6 | SN: 10001-UP |
| 16 | 07005-01012 | Gasket (K1) | 12 | SN: 10001-UP |
S6D125-1P — Fuel Injection Pump And Piping
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 04020-01024 | Pin,Dowel | 2 | SN: 10001-UP |
| 4 | 01010-51075 | Bolt | 2 | SN: 10001-UP |
| 6 | 01643-31032 | Washer | 4 | SN: 10001-UP |
| 8 | 01641-21016 | Washer | 4 | SN: 10001-UP |
| 12 | 06030-06307 | Bearing,Ball | 1 | SN: 10001-UP |
| 13 | 04065-08025 | Ring,Snap | 1 | SN: 10001-UP |
| 14 | 06000-06006 | Bearing,Ball | 1 | SN: 10001-UP |
| 15 | 6151-71-3150 | Seal,Oil (K2) | 1 | SN: 10001-UP |
| 18 | 04010-00519 | Key | 1 | SN: 10001-UP |
| 21 | 07000-02125 | O-Ring (K2) | 1 | SN: 10001-UP |
| 23 | 01640-21016 | Washer | 4 | SN: 10001-UP |
| 24 | 6151-71-5110 | Tube,Injection, No.1 | 1 | SN: 10001-UP |
| 25 | 6151-71-5120 | Tube,Injection, No.2 | 1 | SN: 10001-UP |
| 26 | 6151-71-5130 | Tube,Injection, No.3 | 1 | SN: 10001-UP |
| 27 | 6151-71-5140 | Tube,Injection, No.4 | 1 | SN: 10001-UP |
| 28 | 6151-71-5150 | Tube,Injection, No.5 | 1 | SN: 10001-UP |
| 29 | 6151-71-5160 | Tube,Injection, No.6 | 1 | SN: 10001-UP |
| 35 | 01010-50630 | Bolt | 1 | SN: 10001-UP |
| 38 | 07206-30710 | Bolt,Joint | 1 | SN: 10001-UP |
| 39 | 07005-01012 | Gasket (K2) | 2 | SN: 10001-UP |
| 40 | 6151-71-5710 | Tube | 1 | SN: 10001-UP |
| 42 | 07005-01412 | Gasket (K2) | 2 | SN: 10001-UP |
| 44 | 07043-00108 | Plug | 1 | SN: 10001-UP |
| 46 | 07271-01460 | Hose | 1 | SN: 10001-UP |
| 48 | 07005-01412 | Gasket (K2) | 2 | SN: 10001-UP |
| 50 | 07213-50710 | Connector | 2 | SN: 10001-UP |
| 51 | 6141-71-1710 | Joint | 2 | SN: 10001-UP |
| 53 | 07005-01412 | Gasket (K2) | 2 | SN: 10001-UP |
| 54 | 08034-00414 | Band | 1 | SN: 10001-UP |
S6D125-1P — Fuel Injection Pump (Pump)(#10001-19318)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 6 | DK134101-9820 | Plunger Ass'Y | 1 | SN: 10001-19318 |
| 8 | DK134116-4720 | Holder | 1 | SN: 10001-19318 |
| 9 | DK029632-2070 | O-Ring | 1 | SN: 10001-19318 |
| 11 | DK134112-2000 | Spring | 1 | SN: 10001-19318 |
| 12 | DK134115-0100 | Gasket | 1 | SN: 10001-19318 |
| 13 | DK029302-0140 | Washer | 1 | SN: 10001-19318 |
| 15 | DK029602-0010 | Ring,Snap | 1 | SN: 10001-19318 |
| 17 | DK029632-9030 | O-Ring | 1 | SN: 10001-19318 |
| 18 | DK029631-5020 | O-Ring | 1 | SN: 10001-19318 |
| 19 | DK029631-5020 | O-Ring | 1 | SN: 10001-19318 |
| 20 | DK139400-0900 | Shim, 0.500Mm | - | SN: 10001-19318 |
| 20 | DK139400-1000 | Shim, 0.525Mm | - | SN: 10001-19318 |
| 20 | DK139400-1100 | Shim, 0.550Mm | - | SN: 10001-19318 |
| 20 | DK139400-2100 | Shim, 0.800Mm | - | SN: 10001-19318 |
| 20 | DK139400-2900 | Shim, 1.000Mm | - | SN: 10001-19318 |
| 27 | DK134241-0021 | Sleeve | 6 | SN: 10001-19318 |
| 28 | DK134216-0000 | Seat,Spring | 6 | SN: 10001-19318 |
| 31 | DK134200-0020 | Tappet Ass'Y | 6 | SN: 10001-19318 |
| 32 | DK016650-2230 | Bearing | 1 | SN: 10001-19318 |
| 38 | DK016650-2230 | Bearing | 1 | SN: 10001-19318 |
| 40 | DK139629-0000 | Seal,Oil | 1 | SN: 10001-19318 |
| 42 | DK029635-5010 | O-Ring | 1 | SN: 10001-19318 |
| 43 | DK134563-0900 | Sleeve | 1 | SN: 10001-19318 |
| 48 | DK026524-2940 | Gasket | 1 | SN: 10001-19318 |
S6D125-1P — Fuel Injection Pump (Pump)(#19319-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 6 | DK134101-9820 | Plunger Ass'Y | 1 | SN: 19319-UP |
| 8 | DK134116-4720 | Holder | 1 | SN: 19319-UP |
| 11 | DK134112-2000 | Spring | 1 | SN: 19319-UP |
| 12 | DK134115-0100 | Gasket | 1 | SN: 19319-UP |
| 13 | DK029302-0140 | Washer | 1 | SN: 19319-UP |
| 15 | DK029602-0010 | Ring,Snap | 1 | SN: 19319-UP |
| 18 | DK139715-0200 | O-Ring | 1 | SN: 19319-UP |
| 19 | DK139715-0200 | O-Ring | 1 | SN: 19319-UP |
| 20 | DK139400-0900 | Shim, 0.500Mm | - | SN: 19319-UP |
| 20 | DK139400-1000 | Shim, 0.525Mm | - | SN: 19319-UP |
| 20 | DK139400-1100 | Shim, 0.550Mm | - | SN: 19319-UP |
| 20 | DK139400-2100 | Shim, 0.800Mm | - | SN: 19319-UP |
| 20 | DK139400-2900 | Shim, 1.000Mm | - | SN: 19319-UP |
| 27 | DK134241-0021 | Sleeve | 6 | SN: 19319-UP |
| 28 | DK134216-0000 | Seat,Spring | 6 | SN: 19319-UP |
| 31 | DK134200-0020 | Tappet Ass'Y | 6 | SN: 19319-UP |
| 36 | DK016650-2230 | Bearing | 1 | SN: 19319-UP |
| 42 | DK016650-2230 | Bearing | 1 | SN: 19319-UP |
| 44 | DK139629-0000 | Seal,Oil | 1 | SN: 19319-UP |
| 46 | DK029635-5010 | O-Ring | 1 | SN: 19319-UP |
| 47 | DK134563-0900 | Sleeve | 1 | SN: 19319-UP |
| 52 | DK026524-2940 | Gasket | 1 | SN: 19319-UP |
S6D125-1P — Fuel Filter And Piping
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 07005-00812 | Gasket (K2) | 1 | SN: 10001-UP |
| 4 | 600-311-8291 | Cartridge | 1 | SN: 10001-UP |
| 6 | 07005-00812 | Gasket | 1 | SN: 10001-UP |
| 7 | 01010-51090 | Bolt | 2 | SN: 10001-UP |
| 8 | 01640-21016 | Washer | 2 | SN: 10001-UP |
| 9 | 07271-01460 | Hose | 1 | SN: 10001-UP |
| 12 | 07005-01412 | Gasket (K2) | 4 | SN: 10001-UP |
| 13 | 08034-00414 | Band | 2 | SN: 10001-UP |
S6D125-1P — Fuel Injection Pump (Coupling)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | DK156615-2800 | Washer | 2 | SN: 10001-UP |
| 4 | DK156605-5320 | Plate | 1 | SN: 10001-UP |
| 5 | DK156617-2100 | Nut | 2 | SN: 10001-UP |
| 9 | DK156605-5420 | Plate | 1 | SN: 10001-UP |
| 11 | DK156615-1600 | Washer | 2 | SN: 10001-UP |
| 14 | DK023641-8410 | Washer,Spring | 1 | SN: 10001-UP |
Shop the Komatsu S6D125-1P Fuel System Parts collection
S6D125-1P Fuel System Parts lookup notes
Use this hub when the repair has already been narrowed to fuel system 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 Bearing Ball 06000-06006 — SKU KOM-06000-06006 | Bearing Ball
- Komatsu Engine Bolt 01010-50612 — SKU KOM-01010-50612 | Bolt
- Komatsu Engine Connector 07213-50710 — SKU KOM-07213-50710 | Connector
- Komatsu Engine Feed Pump Ass'Y DK105217-1480 — SKU KOM-DK105217-1480 | Product code Dk105217-1480 | Feed Pump Ass'Y
- Komatsu Engine Hose 07271-01460 — SKU KOM-07271-01460 | Hose
- Komatsu Engine Nozzle 6151-11-3121 — SKU KOM-6151-11-3121 | Nozzle
- Komatsu Engine Nozzle Holder Ass'Y 6151-11-3101 — SKU KOM-6151-11-3101 | Nozzle Holder Ass'Y
- Komatsu Engine O-Ring DK139715-0200 — SKU KOM-DK139715-0200 | Product code Dk139715-0200 | O-Ring
- Komatsu Engine O-Ring Injection Drive Case 07000-02125 — SKU KOM-07000-02125 | O-Ring Injection Drive Case
- Komatsu Engine Pin Cotter 04052-00633 — SKU KOM-04052-00633 | Pin Cotter
- Komatsu Engine Plate DK156605-5420 — SKU KOM-DK156605-5420 | Product code Dk156605-5420 | Plate
- Komatsu Engine Plunger Ass'Y DK134101-9820 — SKU KOM-DK134101-9820 | Product code Dk134101-9820 | Plunger Ass'Y
- Komatsu Engine Seal Oil¤ Injection Drive Case 6151-71-3150 — SKU KOM-6151-71-3150 | Seal Oil¤ Injection Drive Case
- Komatsu Engine Spring Nozzle DK150562-5000 — SKU KOM-DK150562-5000 | Product code Dk150562-5000 | Spring Nozzle
- Komatsu Engine Washer DK156615-1600 — SKU KOM-DK156615-1600 | Product code Dk156615-1600 | Washer
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.