Bosch AL0820X Alternator

Bosch AL0820X Alternator Overview

Bosch AL0820X is a remanufactured 12-volt alternator built for charging-system replacement on select Volvo applications. It delivers a 140-amp rating, internal fan design, internal regulator, and a 6-groove pulley setup for vehicles that require this configuration.

Compatible with select 2001-2005 Volvo S60 and V70, plus 2003-2005 Volvo XC90 applications, this Bosch alternator is also listed for additional Volvo S40, S80, V40, V70, XC70, and XC90 fitments where the OE charging system calls for the same specification.

Key Features

• Remanufactured Bosch alternator for OE-style charging-system replacement
• 12-volt design with 140-amp output rating
• Internal fan and internal regulator configuration
• Counterclockwise rotation
• Includes pulley and external fan
• 6-groove pulley with 56 mm outside diameter
• Aluminum case and aluminum case material
• Plug type 371 with rear-view plug clock at 6 o’clock

Product Details

Bosch Premium Alternators are remanufactured, built, and tested to meet demanding electrical-system requirements. The AL0820X is engineered for Volvo charging systems that use a 140-amp alternator with the listed plug, pulley, and rotation specifications. Part number AL0820X is also referenced against OE and interchange numbers for application matching, including Genuine 8622186 and interchange references 8602710 and 36050262.

This alternator is a direct-fit style replacement for Volvo S60, Volvo V70, and Volvo XC90 applications within the listed years, and it also covers additional Volvo models shown in the fitment data. Verify the connector, pulley, and mounting-ear orientation before installation to confirm the correct charging-system match for your vehicle.

Common Charging Problems This Part Addresses

• Low battery charge or repeated battery drain
• Dim lights or unstable electrical output
• Charging warning light on the dash
• Alternator noise or charging-system failure
• Voltage drop under electrical load

Installation Notes and Tips

Confirm the vehicle’s alternator output rating, plug type, pulley groove count, and rotation direction before installation. Check belt condition, wiring connections, and mounting points during replacement to help ensure proper charging performance. This unit is not one-wire capable.

Quality Assurance

Bosch remanufactured alternators are built and tested to support reliable electrical performance in the applications listed. Part number AL0820X is a Bosch Premium Alternator designed for consistent fitment and charging-system service on the specified Volvo models.