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12251
NIKKOAlternatorIR/EF24V25ACW Rotation
Fits Komatsu, Komatsu Excavator, Komatsu Crawler Excavator, Komatsu Loader, Komatsu Motor Grader and MQ Generator
5 interchanges86 applications9 components
Or call (405) 225-7220 · M–F 8–5 CT
Note:The Main Difference Between Models of This Alternator is the Pulley Used. Often the Pulley Will Not Be Included With the Alternator, and Must Be Retained and Reused From the Core.
Specifications
Full technical detail
- Type
- Alternator
- Manufacturer
- NIKKO
- Design
- IR/EF
- Voltage
- 24V
- Amperage
- 25A
- Rotation
- CW
- Pulley Design
- V1
OEM part numbers
Genuine OEM & engine-manufacturer numbers this alternator replaces
Komatsu Remanufactured
Nikko
Vehicle applications
Fits 86 configurations
Showing 40 of 86 configurations
Domestic(40)
| Make | Model | Engine | Years |
|---|---|---|---|
| Komatsu | D20-6 | 1991–1994 | |
| Komatsu | D20A | 1991–1994 | |
| Komatsu | D20P | 1991–1994 | |
| Komatsu | D20S | 1991–1994 | |
| Komatsu | D21A | 1991–1994 | |
| Komatsu | D21P | 1991–1994 | |
| Komatsu | D21S | 1991–1994 | |
| Komatsu | D40AM-5 | 2000–2000 | |
| Komatsu | D40P-5 | 1991–1999 | |
| Komatsu | D40PF-5 | 2000–2000 | |
| Komatsu | D41P-5 | 1991–1994 | |
| Komatsu | EC260Z | 1991–1997 | |
| Komatsu | EG150A-L-1 | 1986–2000 | |
| Komatsu | EG150B-5 | 1995–2005 | |
| Komatsu | EG150B-L-1 | 2000–2010 | |
| Komatsu | EG150L-1 | 2000–2010 | |
| Komatsu | EG185B-L-1 | 2000–2010 | |
| Komatsu | EG220B-2 | 1995–2005 | |
| Komatsu | EG220B-L-2 | 2000–2010 | |
| Komatsu | EG220L-2 | 2000–2010 | |
| Komatsu | FD100E | 1995–1997 | |
| Komatsu | FD100E-5 | 1995–2005 | |
| Komatsu | FD180 | 1986–1994 | |
| Komatsu | FD200E | 1986–1994 | |
| Komatsu | FD250 | 1986–1994 | |
| Komatsu | FD250E | 1986–1994 | |
| Komatsu | FD280 | 1986–1994 | |
| Komatsu | FD400 | 1986–1994 | |
| Komatsu | FD400E | 1986–1994 | |
| Komatsu | FD70 | 1986–1994 | |
| Komatsu | PC128US-2 | 2006–2008 | |
| Komatsu | PC130-7 | 2004–2012 | |
| Komatsu | PC180-3 | 2000–2010 | |
| Komatsu | PC200LC-6 | 1995–2005 | |
| Komatsu | PC310 | 1991–1995 | |
| Komatsu | PC400 | 1986–1997 | |
| Komatsu | PC400-3 / PC400-3A | 2000–2010 | |
| Komatsu | PC410 | 1991–1995 | |
| Komatsu | PC60-6 | 2000–2010 | |
| Komatsu | PC60B | 1995–1997 |
Component breakdown
Replacement parts that go inside this unit
| Component | Part numbers |
|---|---|
| Bearing, Ball | 5-3500 5-6200 |
| Brush, Alt | 7304-2403 |
| Frame, DE, Alt | 7685-1001 |
| Nut | 9500-1460 |
| Plug Code | 9801-0 |
| Regulator, Alt | 8085-101 |
| Rotor | 7085-5004 |
| Stator | 7285-9001 |
| Test Lead, Alt | 9800-I |