Alternator for Komatsu PC130-7 & 4D95LA Engines 2001-On - 24V 35A
Alternator for Komatsu PC130-7 & 4D95LA Engines 2001-On - 24V 35A
SKU:400-52432
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Alternator for Komatsu 4D95LA Engines
Fits Komatsu 4D95LA Diesel Engines and PC130 Series Excavators, 2001 Onwards · 24V 35A
This alternator is a direct replacement for the Komatsu 4D95LA four-cylinder diesel engine from 2001 onwards, as fitted to the PC130-7, PC130-8 and PC138US-8 excavators. It is manufactured by Denso and built to OEM specifications for fit and function, so it installs as a like-for-like swap using the existing mounting brackets, pulley and wiring connectors.
It is rated at 24 volts with a 35 amp output, using the IR/IF (internal regulator, internal fan) configuration and a single-groove V pulley. It replaces Denso 102211-2850, 102211-2851 and 9762219-285 and the Komatsu 600-861-3610 unit. Clockwise (CW) rotation matches the original Komatsu drive belt arrangement on the 4D95LA engine.
Key Features
- 24-Volt, 35 Amp output
- IR/IF configuration (Internal Regulator / Internal Fan)
- Clockwise (CW) rotation
- Denso-manufactured unit
- Single-groove V pulley
- Direct fit for Komatsu 4D95LA engines
Technical Specs
| Specification | Detail |
|---|---|
| Voltage | 24V |
| Rotation | CW |
| Amperage | 35A |
| Regulator Type | IR |
| Fan Type | IF |
| Pulley Class | V, Single Groove |
| Engine Application | Komatsu 4D95LA 4-cylinder diesel |
| Manufacturer | Denso |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Komatsu 4D95LA Engine | 2001-On |
| Komatsu PC130-7 Excavator (4D95LA) | 2001-On |
| Komatsu PC130-8 Excavator (4D95LA) | 2001-On |
| Komatsu PC138US-8 Excavator (4D95LA) | 2001-On |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 102211-2850 | Denso |
| 102211-2851 | Denso |
| 9762219-285 | Denso |
| ND102211-2850 / ND102211-2851 / ND9762219-285 | Denso / AC Delco |
| 600-861-3610 | Komatsu |
| R600-861-3610 | Komatsu |
Frequently Asked Questions
Will this alternator fit my Komatsu 4D95LA engine without modification?
Yes, this is a direct OEM-fit replacement for Komatsu 4D95LA engines from 2001 onwards, matching the original mounting, rotation and pulley specification, so it installs using your existing bracket and belt.
What's included?
You will receive one complete alternator unit, ready to fit. Your existing pulley, drive belt and wiring connector are reused as normal.
How can I tell my old alternator has failed?
Common signs include a battery warning light on the dash, dimming or flickering lights, a battery that will not hold charge, or an unusual noise from the alternator pulley or bearing while the engine is running.
What's the difference between OEM 102211-2850 and 102211-2851?
Both are genuine Denso part numbers that cross-reference to this same alternator; either number confirms compatibility with your Komatsu 4D95LA engine, as do the equivalent Komatsu-branded numbers listed above.
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