Bosch AL668N Alternator

Reliable Bosch Alternator for Select GM Vehicles

The Bosch AL668N Alternator (New) is engineered to provide consistent 12-volt electrical power for a range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed with durable aluminum casing and an external fan, this alternator supports your vehicle's charging system with a 105-amp output and includes essential components like the pulley and external regulator.

Key Features of Bosch AL668N Alternator

• Voltage: 12 volts for standard automotive electrical systems
• Amperage Rating: 105 amps to meet moderate power demands
• External fan included for efficient cooling
• Clockwise rotation direction with plug clock rear view main mounting ear at 6 o'clock
• Includes pulley with 6 grooves and 62 mm outside diameter
• Internal regulator type with external regulator included
• Aluminum case material and color for durability and heat dissipation
• Plug type 310 compatible with specified GM models
• New unit from Bosch's Alternator (New) product line

Detailed Description of Bosch Alternator AL668N

This Bosch AL668N alternator is part of the Alternator (New) product line, which focuses on delivering new, high-quality alternators designed to meet or exceed original equipment specifications. The aluminum case ensures lightweight durability and effective heat management, while the external fan helps maintain optimal operating temperatures during vehicle operation. The 6-groove pulley and 62 mm diameter are designed to fit specific belt configurations found in various GM trucks and passenger vehicles. The internal regulator combined with an external regulator included in the unit provides stable voltage control, essential for protecting your vehicle's electrical components.

Compatible Vehicles and Common Applications

This alternator is compatible with a variety of GM makes and models, including:

• Buick Astro and Roadmaster
• Cadillac Brougham and Commercial Chassis
• Chevrolet C1500, C2500, C3500, Camaro, Caprice, and Custom Cruiser
• GMC K1500, K2500, K3500, G10, G20, G30, and Safari
• Oldsmobile and Pontiac Firebird

It is designed to address issues such as:

• Failure to charge the battery properly
• Intermittent electrical power loss
• Overheating due to inefficient cooling
• Worn or damaged pulley affecting belt alignment
• Voltage irregularities caused by faulty regulators

Installation Notes and Tips

When installing the Bosch AL668N alternator, ensure the clockwise rotation direction matches your vehicle’s requirements. Verify the plug type 310 and mounting ear position at 6 o’clock for proper fitment. The included pulley with 6 grooves should align with your vehicle’s belt system. Since this alternator includes an external fan and regulator, confirm all electrical connections are secure and compatible with your vehicle’s wiring harness. Professional installation is recommended to ensure optimal performance and safety.

Quality Assurance and Warranty

Bosch alternators are manufactured to meet stringent quality standards, using durable aluminum cases and reliable internal components. The AL668N is a new unit, not remanufactured, ensuring consistent performance and longevity. While specific warranty details are not provided here, Bosch typically offers coverage that protects against manufacturing defects. Consult Bosch or your parts provider for exact warranty terms.