Bosch AL421X Alternator

Reliable Remanufactured Alternator for Isuzu Vehicles

The Bosch AL421X Alternator (Remanufactured) is designed to provide dependable electrical charging and starting performance for select Isuzu models. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and durability for your Isuzu Amigo, Pickup, or Rodeo.

• Voltage: 12V for standard automotive electrical systems
• Rotation Direction: Clockwise for proper engine compatibility
• Fan Type: Internal with included external fan for efficient cooling
• Pulley: Single groove (1v) pulley included with 72mm outside diameter
• Regulator: Internal regulator included for stable voltage output
• Amperage Rating: 50 amps to support vehicle electrical demands
• Case Material and Color: Durable aluminum construction with aluminum finish
• Plug Type: 350 with rear view main mounting ear positioned at 6 o'clock
• External Regulator Included: Yes, enhancing voltage regulation
• New or Remanufactured: Remanufactured to meet strict 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 manufacturer (OEM) standards. Each unit undergoes rigorous testing and refurbishment to ensure reliable performance and longevity. The AL421X model is part of this line, providing a cost-effective solution for maintaining the electrical system of your Isuzu Amigo, Pickup, or Rodeo without compromising on quality.

Detailed Product Description

This Bosch AL421X alternator features a 12-volt system with a 50-amp output, suitable for the electrical requirements of Isuzu vehicles such as the Amigo, Pickup, and Rodeo. The clockwise rotation direction and internal fan design, complemented by an included external fan, optimize cooling and operational efficiency. The alternator comes with a single groove (1v) pulley measuring 72mm in diameter, ensuring compatibility with the vehicle’s belt system. Its aluminum case provides durability and heat dissipation, while the internal regulator maintains consistent voltage output. The plug type 350 and rear view main mounting ear at 6 o'clock facilitate straightforward installation and secure fitment.

Common Applications and Issues Addressed

• Restores charging system functionality in Isuzu Amigo, Pickup, and Rodeo models
• Resolves battery drain or failure to charge issues
• Eliminates dimming or flickering headlights caused by alternator faults
• Replaces alternators with worn or damaged pulleys and fans
• Addresses voltage irregularities due to faulty internal regulators

Installation Notes and Tips

• Ensure compatibility with your specific Isuzu model and engine configuration before installation
• Disconnect the battery prior to removal and installation to prevent electrical shorts
• Verify the clockwise rotation direction matches your vehicle’s requirements
• Inspect belt condition and tension; replace if worn to maintain proper alternator function
• Use the included pulley and mounting ear positions for accurate alignment

Quality Assurance and Warranty

The Bosch AL421X alternator is remanufactured to meet or exceed OEM standards, ensuring reliable performance and durability. Each unit undergoes comprehensive testing to verify electrical output and mechanical integrity. This product is packaged securely in a box to protect it during transit. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship for a specified period.