Bosch AL28X Alternator

Reliable Remanufactured Alternator for Audi and Volkswagen Models

The Bosch AL28X Alternator (Remanufactured) is designed to provide dependable electrical charging and starting performance for select Audi and Volkswagen vehicles. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and efficient operation.

• Voltage: 12V for standard automotive electrical systems
• Rotation Direction: Clockwise for proper engine compatibility
• External Fan Included for enhanced cooling
• Pulley Included with a single groove (1V) and 69mm outside diameter
• Internal Regulator Type for stable voltage control
• Aluminum Case Material and Color for durability and heat dissipation
• Amperage Rating: 65 amps suitable for moderate electrical loads
• Plug Type: 110 with rear view main mounting ear at 6 o'clock position
• External Regulator Included for improved voltage regulation

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers remanufactured alternators that meet strict quality standards to restore vehicle charging systems to original equipment performance. This product line focuses on providing reliable, cost-effective alternatives to new parts while maintaining Bosch’s engineering standards. The AL28X alternator is part of this line, combining remanufactured components with new elements such as the pulley and external fan to ensure longevity and consistent operation.

Detailed Product Description

This Bosch AL28X alternator is specifically designed for compatibility with Audi and Volkswagen models including the Audi 4000 and Cabriolet, as well as Volkswagen Jetta, Quantum, and Rabbit Convertible. Featuring a clockwise rotation and a 12-volt system, it supports the vehicle’s electrical demands with a 65-amp output. The aluminum case provides lightweight durability and effective heat dissipation, while the included external fan enhances cooling during operation. The alternator comes with an internal voltage regulator and an external regulator included, ensuring stable voltage output and protecting the vehicle’s electrical components. The single-groove pulley (1V) with a 69mm diameter is designed to fit the specified belt type, simplifying installation and ensuring proper belt alignment.

Common Applications and Issues Addressed

• Restores charging system functionality in Audi 4000 and Volkswagen Jetta models
• Replaces faulty alternators causing battery drain or electrical failures
• Solves issues related to inconsistent voltage output or dimming lights
• Addresses overheating problems with the external fan and aluminum case design
• Eliminates pulley or belt slippage with included properly sized pulley

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Verify clockwise rotation direction matches original alternator
• Check plug type 110 and mounting ear position at 6 o'clock for proper fit
• Inspect belt condition and alignment when installing the included pulley
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

As a remanufactured product from Bosch, the AL28X alternator undergoes rigorous testing to meet OEM standards for performance and durability. The use of an aluminum case and new components such as the pulley and external fan contribute to its reliability. While specific warranty details are not provided here, Bosch remanufactured alternators typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence.