Komatsu S6D125-1T Fuel Injection Pump Parts Hub
Diagram callout lookup for Komatsu S6D125-1T Fuel Injection Pump 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.
S6D125-1T — Fuel Injection Pump And Piping(#26691-)

| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6150-21-6120 | Bracket | 1 | SN: 26691-UP |
| 3 | 04020-01024 | Pin,Dowel (See Fig.0201) | 2 | SN: 13444-UP |
| 6 | 01643-31032 | Washer | 4 | SN: 13444-UP |
| 7 | 01010-30875 | Bolt | 4 | SN: 26691-UP |
| 11 | 06030-06307 | Bearing,Ball | 1 | SN: 13444-UP |
| 12 | 04065-08025 | Ring,Snap | 1 | SN: 13444-UP |
| 14 | 06000-06005 | Bearing,Ball | 1 | SN: 26691-UP |
| 15 | 6150-71-3150 | Seal,Oil (K2) | 1 | SN: 26691-UP |
| 18 | 6150-71-1620 | Bushing | 1 | SN: 26691-UP |
| 19 | 6150-71-1910 | Seal (K2) | 1 | SN: 26691-UP |
| 20 | 6162-73-1960 | Washer,Felt (K2) | 1 | SN: 26691-UP |
| 25 | 6110-73-3520 | Washer | 2 | SN: 26691-UP |
| 27 | 6130-82-5270 | Gasket (K2) | 1 | SN: 26691-UP |
| 27 | 6130-82-5270 | Gasket,(B) | 1 | SN: 26691-UP |
| 28 | 04010-00516 | Key | 1 | SN: 26691-UP |
| 29 | 07000-02125 | O-Ring (K2) | 1 | SN: 13444-UP |
| 31 | 04010-00519 | Key | 1 | SN: 13444-UP |
| 35 | 01640-21016 | Washer | 4 | SN: 13444-UP |
| 36 | 6150-71-5111 | Tube,Injection¤ No.1 | 1 | SN: 26691-UP |
| 37 | 6150-71-5121 | Tube,Injection¤ No.2 | 1 | SN: 26691-UP |
| 38 | 6150-71-5131 | Tube,Injection¤ No.3 | 1 | SN: 26691-UP |
| 39 | 6150-71-5141 | Tube,Injection¤ No.4 | 1 | SN: 26691-UP |
| 40 | 6150-71-5151 | Tube,Injection¤ No.5 | 1 | SN: 26691-UP |
| 41 | 6150-71-5161 | Tube,Injection¤ No.6 | 1 | SN: 26691-UP |
| 47 | 01010-50630 | Bolt | 4 | SN: 13444-UP |
| 51 | 07005-01412 | Gasket,(See Fig.0325) (K2) | 3 | SN: 26691-UP |
| 54 | 07005-01412 | Gasket (K2) | 2 | SN: 13444-UP |
Komatsu S6D125-1T Fuel Injection Pump 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.
Shop the Komatsu S6D125-1T Fuel Injection Pump Parts collection
S6D125-1T Fuel Injection Pump Parts lookup notes
Use this hub when the repair has already been narrowed to fuel injection pump 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 06000-06005 — SKU KOM-06000-06005 | Bearing Ball
- Komatsu Engine Bearing Ball 06000-06006 — SKU KOM-06000-06006 | Bearing Ball
- Komatsu Engine Bracket 6150-21-6120 — SKU KOM-6150-21-6120 | Bracket
- Komatsu Engine Bushing 6150-71-1620 — SKU KOM-6150-71-1620 | Bushing
- Komatsu Engine Coupling Ass'Y ND092500-0431 — SKU KOM-ND092500-0431 | Product code Nd092500-0431 | Coupling Ass'Y
- Komatsu Engine Element Pump ND090150-3250 — SKU KOM-ND090150-3250 | Product code Nd090150-3250 | Element Pump
- Komatsu Engine Feed Pump Ass'Y DK105217-1480 — SKU KOM-DK105217-1480 | Product code Dk105217-1480 | Feed Pump Ass'Y
- Komatsu Engine Feed Pump Ass'Y ND092100-1761 — SKU KOM-ND092100-1761 | Product code Nd092100-1761 | Feed Pump Ass'Y
- Komatsu Engine Gasket Potentio Meter 142-06-14510 — SKU KOM-142-06-14510 | Gasket Potentio Meter
- Komatsu Engine Joint Ball¤ L.H. Thread 04256-10816 — SKU KOM-04256-10816 | Joint Ball¤ L.H. Thread
- Komatsu Engine Nipple Swivelling ND949181-0420 — SKU KOM-ND949181-0420 | Product code Nd949181-0420 | Nipple Swivelling
- Komatsu Engine O-Ring Injection Drive Case 07000-02125 — SKU KOM-07000-02125 | O-Ring Injection Drive Case
- Komatsu Engine Plate DK156605-5420 — SKU KOM-DK156605-5420 | Product code Dk156605-5420 | Plate
- Komatsu Engine Plate Sub Ass'Y ND092460-0051 — SKU KOM-ND092460-0051 | Product code Nd092460-0051 | Plate Sub Ass'Y
- Komatsu Engine Plunger Ass'Y DK134143-5920 — SKU KOM-DK134143-5920 | Product code Dk134143-5920 | Plunger Ass'Y
- Komatsu Engine Plunger Ass'Y DK134151-2220 — SKU KOM-DK134151-2220 | Product code Dk134151-2220 | Plunger Ass'Y
- Komatsu Engine Pump Ass'Y Primming ND092130-0220 — SKU KOM-ND092130-0220 | Product code Nd092130-0220 | Pump Ass'Y Primming
- Komatsu Engine Seal Oil 6150-71-3150 — SKU KOM-6150-71-3150 | Seal Oil
- Komatsu Engine Seal Oil Potentio Meter Shaft 702-16-11510 — SKU KOM-702-16-11510 | Seal Oil Potentio Meter Shaft
- Komatsu Engine Seat Lower Spring ND090165-0150 — SKU KOM-ND090165-0150 | Product code Nd090165-0150 | Seat Lower Spring
- Komatsu Engine Spring Start ND090993-0280 — SKU KOM-ND090993-0280 | Product code Nd090993-0280 | Spring Start
- Komatsu Engine Tube Injection¤ No.1 6150-71-5111 — SKU KOM-6150-71-5111 | Tube Injection¤ No.1
- Komatsu Engine Tube Injection¤ No.2 6150-71-5121 — SKU KOM-6150-71-5121 | Tube Injection¤ No.2
- Komatsu Engine Tube Injection¤ No.3 6150-71-5131 — SKU KOM-6150-71-5131 | Tube Injection¤ No.3
- Komatsu Engine Tube Injection¤ No.4 6150-71-5141 — SKU KOM-6150-71-5141 | Tube Injection¤ No.4
- Komatsu Engine Tube Injection¤ No.5 6150-71-5151 — SKU KOM-6150-71-5151 | Tube Injection¤ No.5
- Komatsu Engine Tube Injection¤ No.6 6150-71-5161 — SKU KOM-6150-71-5161 | Tube Injection¤ No.6
- Komatsu Engine Valve Sub Ass'Y Delivery ND090140-1430 — SKU KOM-ND090140-1430 | Product code Nd090140-1430 | Valve Sub Ass'Y Delivery
- Komatsu Engine Washer 01642-20608 — SKU KOM-01642-20608 | Product code 01641-00608 | 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.