Bosch AL8743X Alternator

Reliable Remanufactured Alternator for Chevrolet and GMC Vans

The Bosch AL8743X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. This 12-volt alternator ensures consistent power delivery to your vehicle's electrical system, supporting essential functions and battery charging.

• 12-volt electrical system compatibility
• 105-amp amperage rating for stable power output
• Internal fan type with included external fan for efficient cooling
• Clockwise rotation direction with plug clock rear view main mounting ear at 6 o'clock
• Includes pulley with 6 grooves and 57mm outside diameter
• Internal regulator type with external regulator included
• Aluminum case material and color for durability and heat dissipation
• Plug type 314 for secure electrical connections
• Remanufactured to meet OEM specifications

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that meet strict OEM standards. Each unit undergoes thorough testing and refurbishment to restore performance and reliability. This product line focuses on providing cost-effective alternatives to new alternators without compromising on durability or fitment, making it suitable for professional repairs and maintenance on Chevrolet and GMC vans.

Detailed Product Description

The AL8743X alternator features a 12-volt system with a 105-amp rating, suitable for the electrical demands of Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 vehicles. Its internal fan design, complemented by an included external fan, ensures optimal cooling during operation. The clockwise rotation and plug clock rear view main mounting ear positioned at 6 o'clock facilitate proper installation and alignment. The alternator comes with a 6-groove pulley measuring 57mm in diameter, compatible with 6s belt types. Constructed with an aluminum case, it offers durability and efficient heat dissipation. The internal regulator type, along with an included external regulator, helps maintain stable voltage output. Plug type 314 ensures secure electrical connections, supporting reliable charging system performance.

Common Applications and Issues Addressed

• Replacement for faulty or worn alternators in Chevrolet Express 2500 and 3500 vans
• Restores charging system functionality in GMC Savana 2500 and 3500 models
• Resolves battery drain or failure to charge issues
• Eliminates electrical system malfunctions caused by alternator failure
• Addresses overheating problems with improved fan cooling design

Installation Notes and Tips

• Ensure compatibility with Chevrolet Express or GMC Savana 2500/3500 models before installation
• Verify the clockwise rotation direction and plug clock rear view mounting ear position for proper fit
• Check that the 6-groove pulley matches the vehicle’s belt system
• Inspect electrical connections for plug type 314 compatibility
• Follow vehicle manufacturer torque specifications when mounting the alternator

Quality Assurance and Warranty

This Bosch AL8743X alternator is remanufactured to meet original equipment manufacturer standards, ensuring reliable performance and durability. Bosch remanufactured alternators undergo comprehensive testing to verify electrical output, mechanical integrity, and fitment accuracy. While specific warranty details may vary, Bosch typically offers a limited warranty on remanufactured alternators to cover defects in materials and workmanship.