Bosch AL166X Alternator

Reliable Remanufactured Alternator for Mercedes-Benz Models

The Bosch AL166X Alternator (Remanufactured) is designed to provide dependable electrical charging and starting performance for select Mercedes-Benz vehicles. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and efficient operation for models including the 300SD, 300SE, 300SL, 500SL, and S350.

• 12-volt electrical system compatibility
• External fan type with included external fan for optimal cooling
• Clockwise rotation direction for precise fitment
• Includes pulley with 6 grooves and 50mm outside diameter
• Internal regulator type with external regulator included
• Amperage rating of 100 amps for reliable charging capacity
• Aluminum case material and color for durability and heat dissipation
• Plug type 381 with rear view main mounting ear positioned at 6 o'clock
• Remanufactured to meet Bosch quality standards

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that restore vehicle charging systems to original equipment performance. Each unit undergoes rigorous testing and refurbishment to ensure durability and reliability. The AL166X model is part of this line, providing a cost-effective solution without compromising on Bosch’s engineering standards.

Detailed Product Description

This Bosch AL166X alternator features a 12-volt system designed specifically for Mercedes-Benz vehicles such as the 300SD, 300SE, 300SL, 500SL, and S350. It includes an external fan to maintain optimal operating temperatures and prevent overheating during extended use. The clockwise rotation and 6-groove pulley with a 50mm diameter ensure compatibility with the vehicle’s belt system. The internal regulator type combined with an included external regulator supports stable voltage output. Constructed with an aluminum case, this alternator offers enhanced heat dissipation and corrosion resistance. The plug clock rear view main mounting ear is positioned at 6 o'clock, matching factory specifications for straightforward installation.

Common Applications and Issues Addressed

• Restores charging system functionality in Mercedes-Benz 300SD, 300SE, 300SL, 500SL, and S350 models
• Resolves battery drain caused by faulty alternators
• Eliminates dim or flickering headlights due to inconsistent voltage
• Prevents vehicle stalling related to charging system failure
• Replaces worn or damaged alternators to maintain electrical system reliability

Installation Notes and Tips

When installing the Bosch AL166X alternator, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the clockwise rotation direction and pulley groove count match the original alternator. Confirm the plug type 381 and mounting ear position at 6 o'clock align with the vehicle’s configuration. Use proper torque specifications for mounting bolts and reconnect all electrical connections securely. Testing the charging system after installation is recommended to confirm proper operation.

Quality Assurance and Warranty

This remanufactured alternator is built to meet Bosch’s stringent quality standards, ensuring reliable performance and longevity. Each unit is tested for electrical output, mechanical integrity, and fitment accuracy. The product is packaged securely in a box to protect it during transit. Warranty details are provided by Bosch and typically cover defects in materials and workmanship for a specified period.