Bosch AL8529X Alternator

Bosch Remanufactured Alternator AL8529X

Bosch AL8529X is a remanufactured 12-volt alternator built for charging-system repair on a wide range of GM trucks, SUVs, and vans. It is specified at 145 amps and uses an internal regulator, internal fan, and clockwise rotation for OE-style replacement service.

For shoppers searching for a Bosch alternator for Chevrolet Silverado 1500, GMC Sierra 1500, or Cadillac Escalade applications, AL8529X provides the key electrical and pulley specifications needed for a direct-match replacement.

Key Features

• Remanufactured Bosch Premium alternator for charging-system replacement
• 12-volt design with 145-amp output rating
• Internal regulator and internal fan
• Clockwise rotation
• 6-groove pulley included; 57 mm outside pulley diameter
• Aluminum case and aluminum case material for OE-style fitment
• External fan included and external regulator included as listed by the manufacturer
• Plug type 346 with rear plug clock position at 6 o’clock

Product Details

Bosch Premium Alternators are remanufactured, built, and tested to deliver consistent charging performance and dependable operation. Part number AL8529X is designed for vehicles that use a 145-amp alternator with the listed pulley and connector configuration, making it a practical replacement when the original unit has failed or charging output has dropped. This part cross-references OE-style numbers such as 10392759 and 15225927 for the same application.

Compatible vehicle coverage includes 2005-2013 Chevrolet Silverado 1500, 2006-2013 Cadillac Escalade, and 2005-2013 GMC Sierra 1500, along with additional fitments across Tahoe, Yukon, Suburban, Avalanche, Express, Savana, Hummer H3, and Saab 9-7x applications. Search terms such as Bosch AL8529X alternator for 2007-2010 Chevrolet Tahoe or remanufactured alternator for 2008-2009 GMC Yukon are commonly used by buyers verifying the correct charging component.

What It Helps Fix

• Battery warning light caused by low alternator output
• Weak charging performance after alternator wear
• Voltage instability affecting electrical accessories
• Starting issues related to insufficient system charging
• Noise or failure from a worn original alternator

Installation Notes and Tips

Verify the vehicle’s alternator amperage, pulley groove count, connector style, and plug clock position before installation. This unit is listed for applications with a 145-amp alternator and may be used on vehicles with single or dual alternator configurations where noted in the fitment data. Confirm belt routing and mounting-ear orientation against the original part before final installation.

Quality Assurance

Bosch remanufactured alternators are produced and tested to meet the brand’s performance and reliability standards for charging-system service. AL8529X is a remanufactured electrical replacement built for consistent operation in demanding GM truck and SUV applications.