Bosch AL0858X Alternator

Bosch AL0858X Alternator for Saab 9-3

The Bosch AL0858X is a remanufactured 12-volt alternator built for 2006-2009 Saab 9-3 applications. It is engineered for steady charging performance, with an internal fan, internal regulator, and a 155-amp rating for vehicles that need dependable electrical output.

Bosch Premium Alternators are remanufactured, tested charging components from Bosch’s alternator line, focused on consistent operation and OE-style fitment. This unit includes a pulley and external fan, and it uses a 6-groove pulley setup with clockwise rotation.

Key Features

• Fits 2006-2009 Saab 9-3, N/A
• Part number: AL0858X
• 12-volt remanufactured alternator
• 155-amp output rating
• Internal fan and internal regulator
• 6-groove pulley with 58 mm outside pulley diameter
• Clockwise rotation
• Aluminum case and aluminum housing material
• Plug type 346 with rear-view plug clock position at 6 o’clock
• Includes pulley and external fan

Detailed Description

The Bosch AL0858X alternator is a remanufactured charging unit for Saab 9-3 models from 2006 through 2009. It is designed to restore stable battery charging and electrical system performance in vehicles that rely on consistent alternator output for everyday driving, lighting, accessories, and engine management systems. The 155-amp rating supports higher electrical demand while the internal regulator helps maintain controlled charging operation.

This alternator uses a 6S-DP belt/pulley configuration, clockwise rotation, and a 346 plug type for application-specific electrical connection. The aluminum case helps keep the unit lightweight while maintaining a durable housing. This part cross-references 93187415 for the same application.

What It Helps Solve

• Battery warning light caused by weak charging output
• Low-voltage conditions affecting vehicle electronics
• Dim lights or inconsistent accessory performance
• Charging system failure from a worn alternator
• Electrical instability in Saab 9-3 models with aging charging components

Installation Notes and Tips

Verify pulley alignment, connector style, and mounting orientation before installation. Confirm the vehicle uses the correct 12-volt charging system and the specified plug type 346 connection. Inspect the belt, tensioner, and charging cables during replacement to help ensure proper alternator operation after installation.

Quality Assurance

This Bosch Premium Alternator is remanufactured and tested to meet Bosch’s charging-system standards for performance and reliability. It is built for direct replacement use in the listed Saab 9-3 applications.