6275-11-3100 Remanufactured Common Rail Injector For Komatsu PC138US-10 Engine
6275-11-3100 Remanufactured Common Rail Injector For Komatsu PC138US-10
This is a remanufactured common rail injector assembly for applications identified by Komatsu 6275-11-3100 (also written 6275113100) and the fuel-system reference 295050-1090, used with selected Komatsu SAA4D95LE-6 diesel engines. It is a remanufactured unit, not a new factory injector.
Each core is fully disassembled, cleaned and inspected, then rebuilt with new wear parts and 100% tested before packing.
SAA4D95LE-6 Injector Assembly Parts
Engine parts documentation for the SAA4D95LE-6 configuration lists the following items together in the injector assembly section.
| Component | Komatsu Number | Quantity |
|---|---|---|
| Injector Assembly | 6275-11-3100 | 4 |
| Injector O-Ring | 6275-11-3891 | 8 |
| O-Ring | 6219-71-1160 | 4 |
| Injector Holder | 6275-11-3810 | 4 |
| Washer | 6217-71-1140 | 4 |
| Holder Bolt | 6275-11-3820 | 4 |
| Gasket | 6275-11-3880 | 4 |
Complete Fuel-System References
The same SAA4D95LE-6 / PC138US-10 documentation lists the surrounding fuel-system assemblies.
| System Component | Komatsu Part Number |
|---|---|
| Fuel Injector | 6275-11-3100 |
| Supply Pump | 6275-71-1120 |
| Common Rail Assembly | 6275-71-1210 |
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Common Rail Fuel Injector Assembly |
| Komatsu Part Number | 6275-11-3100 |
| Number Without Hyphen | 6275113100 |
| Den-so Reference | 295050-1090 |
| Service Reference | 6275-11-3101 |
| Engine Model | SAA4D95LE-6 / SAA4D95LE-6A |
| Excavator Model | PC138US-10 / PC138USLC-10 |
| Injection System | Common Rail |
| Engine Cylinders | 4 |
| Injector Quantity | 4 pcs / engine |
| Repair Nozzle Reference | G3S59 |
| Quality | Remanufactured |
| Condition | Remanufactured |
Repair Nozzle
Repair-market nozzle reference: G3S59 (repair-market reference only; not stated as an official Den-so nozzle without further confirmation).
Remanufacturing Process
- Full disassembly of the returned core
- Cleaning, inspection and rebuild with new wear parts
- Cross reference 295050-1090
- SAA4D95LE-6A / PC138US-10 application
- Four-piece engine set or individual injector supply
- Repair-market nozzle reference G3S59
- 100% bench tested before packing
- Neutral or customized export packing
Application
High-Confidence Application
| Brand | Machine | Engine | Confidence |
|---|---|---|---|
| Komatsu | PC138US-10 | SAA4D95LE-6A | High |
| Komatsu | PC138USLC-10 | SAA4D95LE-6A | High |
Komatsu documentation confirms PC138US-10 uses the SAA4D95LE-6 common rail engine, while engine-parts references identify the -6A parts book for PC138US-10 / PC138USLC-10.
About 6275-11-3101
6275-11-3101 is listed as an Additional / Service Reference only. Komatsu catalogues separately list a 6275-11-3101 Injector Assembly and repair channels often pair 3100 / 3101, but no official supersession table confirming a complete replacement in all applications has been verified, so it is not stated as a direct supersession of 6275-11-3100.
Correct Part Identification
Please confirm the following before ordering:
- Komatsu OE number: 6275-11-3100
- Injector reference: 295050-1090
- Engine model: SAA4D95LE-6A or complete engine identification
- Machine model and serial number
- Clear photo of the injector label
Machine model alone should not be used as the final identification method because different SAA4D95LE engine variants may use different fuel-system specifications.
Komatsu SAA4D95LE Engine Variant Note
This page locks only the confirmed configuration: 6275-11-3100 / 295050-1090 → Komatsu SAA4D95LE-6A → PC138US-10 / PC138USLC-10. Other SAA4D95LE-6 variants may use different calibrations — for example PC78US-10 is documented with the SAA4D95LE-6E suffix, and market listings also extend this injector to PC120-10, PC120-11 and PC128US-10 without an equivalent OEM application table. Do not assume all 4D95 engines use the same injector. Other Komatsu injectors, pumps and rail components are treated as related products only; they are not mandatory matched parts for 6275-11-3100. Always confirm by the number stamped on the existing injector, the engine variant and the machine serial.
Related Fuel System Parts
6275-71-1120 fuel supply pump assembly and 6275-71-1210 common rail assembly are listed together with 6275-11-3100 under the SAA4D95LE-6 / PC138US-10 documentation. These are related references for the same fuel-system configuration; they are not mandatory matched parts.
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