Bosch AL8555X Alternator

Reliable Power with Bosch AL8555X Remanufactured Alternator

The Bosch AL8555X alternator is designed to provide consistent 12-volt electrical power for your vehicle's charging system. Engineered for select Cadillac, Chevrolet, GMC, and Hummer models, this remanufactured alternator ensures dependable performance and compatibility.

• 12-volt output with 160-amp amperage rating
• Internal fan type with external fan included for efficient cooling
• Clockwise rotation direction for proper fitment
• Includes pulley with 6 grooves and 61mm outside diameter
• Internal regulator and external regulator included
• Aluminum case material and color for durability and heat dissipation
• Plug type 346 with rear view main mounting ear at 6 o'clock position

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that meet or exceed original equipment specifications. Each unit undergoes rigorous testing and refurbishment to restore functionality and reliability. The AL8555X model is part of this line, providing a cost-effective solution without compromising on performance or durability.

Detailed Product Description

This Bosch AL8555X alternator features a robust aluminum case that aids in heat dissipation and long-term durability. It operates at 12 volts with a 160-amp rating, suitable for heavy-duty electrical demands. The internal fan design, complemented by an included external fan, ensures optimal cooling during operation. The pulley is a 6-groove type with a 61mm diameter, designed to match the belt system of compatible vehicles. The alternator rotates clockwise and includes both internal and external regulators to maintain stable voltage output. The plug type 346 and the rear view main mounting ear positioned at 6 o'clock facilitate proper installation and secure fitment.

Compatible Vehicles and Common Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500
• Hummer H2

This alternator is designed to replace worn or failing units in these models, restoring proper charging system function.

Common Issues Addressed by Bosch AL8555X Alternator

• Battery not charging or frequent battery drain
• Dimming or flickering headlights and interior lights
• Electrical system warning lights on the dashboard
• Unusual noises from the alternator area
• Vehicle stalling or difficulty starting due to electrical failure

Installation Notes and Tips

Ensure the vehicle battery is disconnected before beginning installation. Verify the plug type and mounting ear position match your vehicle’s specifications. The included pulley and regulators simplify replacement, but proper belt tension and alignment are critical for optimal performance. Consult the vehicle’s service manual for torque specifications and safety precautions.

Quality Assurance and Warranty

As a remanufactured unit, the Bosch AL8555X alternator undergoes comprehensive testing to meet original equipment standards. The aluminum case and included cooling fans contribute to reliable operation under demanding conditions. Warranty coverage details should be confirmed with the distributor or manufacturer to ensure protection against defects.