Bosch AL0837X Alternator

Bosch Remanufactured Alternator for Porsche and Volkswagen

The Bosch AL0837X remanufactured alternator is built for 12-volt charging systems that need stable output and dependable electrical performance. It is a direct-fit charging component for select Porsche Cayenne and Volkswagen Touareg applications with a 150 amp alternator specification.

Bosch Premium Alternators are remanufactured, tested, and built to deliver consistent operation in demanding vehicle electrical systems. The AL0837X uses an internal regulator, internal fan, and clockwise rotation, with a pulley included for proper belt drive alignment.

Key Features

• 12-volt remanufactured alternator for charging system repair
• 180 amp amperage rating for strong electrical output
• Internal regulator and internal fan design
• Clockwise rotation with 7-groove pulley configuration
• Aluminum case and aluminum housing construction
• Plug type 367 with rear-view main mounting ear at 6 o’clock
• External fan included and pulley included
• Bosch part number AL0837X for OE-style replacement sourcing

Product Details

The Bosch AL0837X alternator is engineered for charging-system service where the original unit has worn bearings, weak output, or inconsistent voltage regulation. It is listed for 2005 Volkswagen Touareg and 2005-2006 Porsche Cayenne applications, both noted for use with a 150 amp alternator. This remanufactured Bosch alternator is also cross-referenced to 021903026B and 95560301700 for the same application. If you are searching for a Bosch AL0837X alternator for Porsche Cayenne or a remanufactured alternator for Volkswagen Touareg, this unit matches the specified fitment and electrical configuration.

Common Issues This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or under electrical load
• Dim lights, slow accessory operation, or weak battery recovery
• Noise from a worn alternator bearing or internal fan assembly
• Charging system failure after the original alternator reaches end of service life

Installation Notes and Tips

Verify the vehicle’s original alternator specification, plug style, pulley configuration, and mounting ear orientation before installation. Confirm the application is listed for a 150 amp alternator on the vehicle and inspect the belt, tensioner, and charging cables during replacement. For Porsche Cayenne and Volkswagen Touareg charging system service, matching the connector and pulley details is important for proper fit and operation.

Quality Assurance

Bosch Premium Alternators are remanufactured and tested to support reliable charging performance. The AL0837X is built to Bosch’s electrical component standards for consistent operation in the specified Porsche and Volkswagen applications.