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21109
BOSCHAlternatorIR/EF12V45ACW Rotation
11 interchanges6 components
Or call (405) 225-7220 · M–F 8–5 CT
Specifications
Full technical detail
- Type
- Alternator
- Manufacturer
- BOSCH
- Design
- IR/EF
- Voltage
- 12V
- Amperage
- 45A
- Rotation
- CW
- Pulley Design
- V1
- Plug Code
- 381
OEM part numbers
Genuine OEM & engine-manufacturer numbers this alternator replaces
Bosch
Bosch Service Europe
Letrika (Iskra) Sales
Letrika (Iskra) Tech.
Mahle
Marelli
Valeo Remanufactured
Vehicle applications
Fitment lookup
We’re still building the full vehicle-fitment list for this part. Tell us your year, make, model and engine and a Charging Systems rep will confirm the exact fit — usually the same business day.
Or call (405) 225-7220 · M–F 8–5 CT
Component breakdown
Replacement parts that go inside this unit
| Component | Part numbers |
|---|---|
| Brush Set | 7320-1115B |
| Plug Code | 9801-381 |
| Rectifier | 7720-1095 |
| Regulator & Brush Holder | 8020-1137 |
| Stator | 7220-9367 |
| Tolerance Ring | 5-650 |