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Bosch AL0858N Alternator
| Brand | Bosch AL0858N |
|---|---|
| Voltage | 14 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 4 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| Pulley Included | Yes |
| Pulley Groove Quantity | 6 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 56.5 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 155 |
| New Or Remanufactured | New |
| Original Equipment Manufacturer Names | Bo |
| Product Length | 7.700787 in |
| Pulley Type / Belt Type (Alternator) | 6s |
| Product line | Alternator (New) |
| Fits | Saab · 4 vehicles |
New alternator. Built and tested for dependable charging performance.
Internal regulator. Helps maintain steady voltage output.
Aluminum case. Lightweight construction with a durable finish.
Cross-references 93187415 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch AL0858N Alternator for Saab 9-3
The Bosch AL0858N is a new 14-volt alternator built for charging performance and dependable operation in the 2006-2009 Saab 9-3. It features a 155-amp output, internal voltage regulator, internal fan, and a clockwise rotation design with the pulley included.
Key Features
- New Bosch Premium Alternator, part number AL0858N
- 14-volt charging system with 155-amp amperage rating
- Internal regulator and internal fan for integrated control
- Clockwise rotation with 6-groove pulley included
- Aluminum case and aluminum case material for OE-style construction
- Fits 2006-2009 Saab 9-3, alternator position
Product Details
Bosch Alternator (New) AL0858N is part of Bosch Premium Alternators, a product line focused on performance and reliability through controlled design, assembly, and testing. This unit uses a 56.5 mm outside pulley diameter, a 6S pulley/belt type, and a rear-view plug clock position of 4 o’clock at the main mounting ear. For Saab 9-3 owners searching for a direct replacement alternator, AL0858N provides the electrical output and mounting configuration needed for the 2006-2009 platform. This part cross-references Bosch OE-style application number 93187415 for the same application.
Common Problems This Part Can Address
- Battery warning light caused by weak charging output
- Low system voltage affecting lights, accessories, or starting
- Alternator noise or charging instability from a worn unit
- Electrical load issues in a Saab 9-3 with failing alternator output
- Intermittent charging performance from an aging factory alternator
Installation Notes and Tips
Verify pulley groove count, rotation direction, plug orientation, and amperage rating before installation. Confirm the vehicle is a 2006-2009 Saab 9-3 and compare the existing alternator to the Bosch AL0858N to ensure the connector and mounting layout match. Inspect the belt condition and charging circuit connections during replacement.
Quality Assurance
Bosch Premium Alternators are engineered, built, and tested to support consistent charging performance and reliability. The AL0858N is a new alternator, not remanufactured, and is built to Bosch specifications for the listed Saab 9-3 applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Saab | 9-3 | 2.8L | V6 | N/A | Alternator (New) |
| 2008 | Saab | 9-3 | 2.8L | V6 | N/A | Alternator (New) |
| 2007 | Saab | 9-3 | 2.8L | V6 | N/A | Alternator (New) |
| 2006 | Saab | 9-3 | 2.8L | V6 | N/A | Alternator (New) |
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