Bosch AL0834X Alternator

Bosch Remanufactured Alternator AL0834X

The Bosch AL0834X is a remanufactured 12-volt alternator built for steady charging performance in select Audi and Volkswagen applications. It is a direct-fit charging component for vehicles that use a 6-groove pulley setup and either Bosch or Valeo unit configurations.

Key Features

• Remanufactured Bosch alternator for OE-style charging system service
• 12-volt, 150-amp output for supported applications
• Internal fan and internal regulator design
• Clockwise rotation
• Includes pulley and external fan
• 6-groove pulley, 57 mm outside pulley diameter
• Aluminum case and aluminum case color
• Plug type 367 with rear-view plug clocking at 6 o’clock

Product Details

Bosch Premium Alternators are remanufactured, tested charging units built for dependable electrical output and consistent operation. Part number AL0834X is designed for vehicles that require a 12V alternator with a 150-amp rating, internal fan cooling, and internal regulation. The 6S-CP pulley and clockwise rotation support the specified belt and mounting configuration used across select Audi A3, A3 Quattro, TT, TTS Quattro, and Volkswagen Jetta, Golf, Golf R, GTI, Passat, and Passat CC applications. This part cross-references 06F903023C and 06F903023F for the same application.

Vehicle Fitment

• Fits 2006-2015 Volkswagen Jetta, N/A; to 140 amp alternator
• Fits 2013-2014 Volkswagen Beetle, N/A; to 140 amp alternator
• Fits 2010-2014 Volkswagen Golf, N/A; to 140 amp alternator with Bosch unit
• Fits 2010-2014 Volkswagen Golf, N/A
• Fits 2012 Volkswagen Golf, N/A; to 140 amp alternator
• Fits 2012-2013 Volkswagen Golf R, N/A; to 140 amp alternator with Bosch unit
• Fits 2006-2008 Volkswagen GTI, N/A; to 140 amp alternator with Bosch unit
• Fits 2008 Volkswagen GTI, N/A; to 140 amp alternator with Valeo unit
• Fits 2006-2008 Volkswagen Passat, N/A; to 140 amp alternator with Bosch unit
• Fits 2006-2008 Volkswagen Passat, N/A; to 140 amp alternator with Valeo unit
• Fits 2010 Volkswagen Passat CC, N/A
• Fits 2009-2010 Audi TTS Quattro, N/A; with Bosch unit
• Fits 2009-2010 Audi TTS Quattro, N/A; to 140 amp alternator with Bosch unit
• Fits 2009-2010 Audi TTS Quattro, N/A; with Valeo unit
• Fits 2008-2009 Audi A3 Quattro, N/A; to 140 amp alternator
• Fits 2006-2008 Audi A3, N/A; to 140 amp alternator with Bosch unit
• Fits 2006-2008 Audi A3, N/A; to 140 amp alternator with Valeo unit
• Fits 2006-2007 Audi A3 Quattro, N/A; to 140 amp alternator with Bosch unit
• Fits 2006-2007 Audi A3 Quattro, N/A; to 140 amp alternator with Valeo unit
• Fits 2008-2009 Audi TT, N/A; to 140 amp alternator with Bosch unit
• Fits 2008-2009 Audi TT, N/A; to 140 amp alternator with Valeo unit
• Fits 2010-2013 Audi A3, N/A; to 140 amp alternator with Bosch unit
• Fits 2010-2013 Audi A3, N/A; to 140 amp alternator with Valeo unit

Common Repair Uses

• Restores charging output when the battery warning light is on
• Addresses low-voltage conditions caused by alternator wear
• Helps correct dim lights, weak electrical accessories, or slow battery recovery
• Replaces a failed alternator in Bosch- or Valeo-equipped vehicles
• Supports repair of belt-driven charging system noise tied to alternator wear

Installation Notes

Verify the existing alternator’s amperage rating, pulley style, plug type, and rotation before installation. Confirm Bosch or Valeo unit application details where listed in the fitment notes, and compare the connector clocking and mounting ear orientation to the original unit. Inspect the drive belt and charging system wiring during replacement to help ensure proper operation after installation.

Quality Assurance

Bosch remanufactured alternators are built, tested, and inspected to meet charging-system service requirements for supported applications. The AL0834X follows Bosch’s premium remanufacturing process for consistent electrical performance and reliability in daily driving use.