Bosch AL8529X Alternator

Reliable Remanufactured Alternator for GM and Saab Vehicles

The Bosch AL8529X Alternator (Remanufactured) is designed to restore the electrical charging system of select Buick, Cadillac, Chevrolet, GMC, Hummer, and Saab models. Engineered to meet original equipment specifications, this 12-volt alternator ensures consistent power delivery and durability for your vehicle's electrical needs.

• 12-volt electrical system compatibility
• 145 ampere output for reliable charging
• Internal fan type with included external fan for optimal cooling
• Clockwise rotation direction
• Includes pulley with 6 grooves and 57mm outside diameter
• Internal regulator with external regulator included
• Aluminum case construction for lightweight durability
• Plug type 346 with 4-pin plug clock rear view main mounting ear at 6 o'clock
• Remanufactured to meet OEM standards

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that provide a cost-effective solution without compromising performance. Each unit undergoes rigorous testing and refurbishment to ensure it meets strict Bosch standards. The AL8529X model is part of this line, delivering dependable electrical charging components compatible with a range of GM and Saab vehicles.

Technical Details and Compatibility

This alternator features a 12-volt system with a 145 amp rating, suitable for heavy-duty electrical demands. The internal fan design is complemented by an included external fan to maintain optimal operating temperatures. The pulley is a 6-groove type with a 57mm diameter, designed for secure belt engagement. The unit rotates clockwise and includes an internal regulator as well as an external regulator for precise voltage control. The aluminum case provides strength while minimizing weight. Plug type 346 and a 4-pin plug clock rear view main mounting ear at 6 o'clock ensure proper fitment and electrical connection.

Compatible Vehicles

• Buick Rainier
• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Avalanche 1500, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe, Trailblazer
• GMC Canyon, Colorado, Envoy, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500
• Hummer H2, H3, H3T
• Saab 9-7x

Common Issues Addressed by This Alternator

• Battery not charging or frequent battery drain
• Dimming or flickering vehicle lights
• Electrical system warning lights on the dashboard
• Unusual noises from the alternator area
• Failure to start due to insufficient electrical power

Installation Notes and Tips

Ensure the vehicle battery is disconnected before installation to prevent electrical shorts. Verify the plug type and mounting ear orientation match your vehicle’s specifications. The included pulley and external fan simplify replacement without requiring additional parts. Proper belt tension and alignment are critical for optimal alternator performance. Consult the vehicle’s service manual for torque specifications and wiring diagrams.

Quality Assurance and Warranty

This Bosch AL8529X remanufactured alternator is tested to meet or exceed OEM performance standards. The aluminum case and internal components are inspected for durability and reliability. Bosch provides a limited warranty on remanufactured parts, covering defects in materials and workmanship under normal use. Refer to Bosch’s warranty documentation for specific terms and conditions.