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Bosch AL9458X Alternator
Bosch AL9458X Remanufactured Alternator
The Bosch AL9458X is a remanufactured 12-volt alternator built for charging performance and dependable electrical output. It is a direct-fit replacement for select BMW X5 applications and is specified for 220 amp output with an internal regulator and internal fan.
Key Features
- Remanufactured Bosch alternator for charging system service
- 12-volt design with 220 amp amperage rating
- Internal regulator and internal fan
- Clockwise rotation direction
- Pulley included with 6-groove, 6S belt type
- Aluminum case and aluminum case material
- Outside pulley diameter: 58.9 mm
- Plug clock rear view main mounting ear at 6 o’clock
Product Details
Bosch Premium Alternators are remanufactured, tested, and built to support reliable charging performance in demanding electrical systems. This AL9458X alternator is engineered for BMW X5 models from 2009 through 2013 and matches the 220 amp alternator application listed for those vehicles. The Bosch AL9458X part number is also a useful reference when sourcing the correct remanufactured replacement for the BMW X5 charging system.
This part cross-references 12317804266 for the same application.
What It Helps Fix
- Battery warning light caused by alternator output loss
- Low charging voltage in the BMW X5 electrical system
- Dim lights or unstable electrical performance
- Charging failure from worn internal alternator components
- Noise or belt-drive issues related to a failing alternator pulley assembly
Installation Notes
Fits 2009-2013 BMW X5, N/A. Verify the vehicle’s 220 amp alternator specification, pulley configuration, plug clock position, and rotation direction before installation. Confirm belt type and pulley groove count match the original unit. The Bosch AL9458X part number should be compared against the removed alternator to confirm application.
Quality Assurance
Bosch remanufactured alternators are built and tested to meet charging-system performance requirements for the listed BMW X5 applications. This product line is focused on reliable electrical operation and consistent fitment for replacement service.
| Brand | Bosch |
| Part Number | AL9458X |
| Position | Alternator (Remanufactured) |
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| External Fan Included | No |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | No |
| Pulley Groove Quantity | 6 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 58.9 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 220 |
| Cases Per Pallet (ORLY) | 60 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Va |
| Pulley Type | 6s |
| Pulley Type / Belt Type (Alternator) | 6s |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | BMW | X5 | 3.0L | L6 | N/A | To 220 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | X5 | 3.0L | L6 | N/A | To 220 Amp Alternator; Alternator (Remanufactured) |
| 2011 | BMW | X5 | 3.0L | L6 | N/A | To 220 Amp Alternator; Alternator (Remanufactured) |
| 2010 | BMW | X5 | 3.0L | L6 | N/A | To 220 Amp Alternator; Alternator (Remanufactured) |
| 2009 | BMW | X5 | 3.0L | L6 | N/A | To 220 Amp Alternator; Alternator (Remanufactured) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.