Bosch AL8787X Alternator

Reliable Power for Chevrolet and GMC Vehicles

The Bosch AL8787X Alternator (Remanufactured) delivers consistent 12-volt electrical power designed specifically for select Chevrolet and GMC trucks and vans. Engineered to meet OEM specifications, this alternator ensures your vehicle's charging system operates efficiently under demanding conditions.

• 12-volt output with 105-amp amperage rating
• Internal fan and external fan included for optimal cooling
• Clockwise rotation with 6-groove pulley included
• Aluminum case construction for durability and heat dissipation
• Internal regulator and external regulator included
• Plug type 346 with 8-pin rear view main mounting ear at 6 o'clock

Detailed Features of the Bosch AL8787X Alternator

This remanufactured alternator from Bosch features a robust aluminum case and an internal fan complemented by an external fan to maintain optimal operating temperatures. The 6-groove pulley with a 56.5 mm outside diameter supports 6s belt types, ensuring compatibility with the charging systems of Chevrolet Avalanche 2500, Express 1500/2500/3500, Savana 1500/2500/3500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 2500 HD Classic, Silverado 1500 Classic, Silverado 2500 HD Classic, Suburban 1500/2500, and Yukon XL 2500 models. The internal regulator combined with an external regulator provides stable voltage control, while the 8-pin plug and mounting ear at 6 o'clock facilitate straightforward installation.

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers remanufactured alternators that meet strict quality standards to restore vehicle charging performance. These units are rebuilt using original Bosch components and tested to ensure reliable operation, making them a practical replacement option for maintaining the electrical system integrity in Chevrolet and GMC vehicles.

Common Applications and Issues Addressed

• Restores charging system functionality in Chevrolet Silverado 2500 HD Classic and GMC Sierra 3500 Classic
• Replaces failing alternators causing battery drain or electrical system faults
• Solves issues with dimming headlights or malfunctioning dashboard electronics
• Addresses overheating alternators with improved cooling fans
• Resolves pulley or belt slippage problems with included 6-groove pulley

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC model and year before installation
• Disconnect the battery prior to removal and installation to prevent electrical shorts
• Verify the plug type 346 and mounting ear position at 6 o'clock for proper fitment
• Inspect belt condition and tension; replace if worn to maintain alternator performance
• Follow manufacturer torque specifications when securing the alternator

Quality Assurance and Warranty

This Bosch AL8787X remanufactured alternator undergoes comprehensive testing to meet OEM standards for voltage output and durability. The aluminum case and included cooling fans contribute to long service life. Bosch provides a limited warranty on this remanufactured alternator, ensuring confidence in its performance and reliability for Chevrolet and GMC vehicles.