Remy 20407 Alternator

Reliable Alternator for Buick, Chevrolet, Oldsmobile, and Pontiac Vehicles

The Remy Premium Remanufactured Alternator 20407 is designed to restore charging system performance in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered to meet OE specifications, this 12-volt alternator delivers consistent 105-amp output with an external fan for efficient cooling.

Key Features of Remy Alternator 20407

• Amperage Rating: 105 amps for stable electrical output
• Fan Type: External fan enhances cooling during operation
• Voltage: 12 volts compatible with standard automotive electrical systems
• Rotation Direction: Clockwise rotation matching original equipment
• Voltage Regulator: Internal regulator for simplified installation
• Pulley Included: Comes with pulley for direct replacement
• OE Manufacturer: Remanufactured to Delco/Delphi standards

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators rebuilt to meet or exceed original equipment manufacturer (OEM) specifications. This ensures reliable performance and durability while providing a cost-effective alternative to new parts. The 20407 alternator benefits from this rigorous remanufacturing process, making it suitable for restoring charging system function in compatible vehicles.

Detailed Product Description

This Remy alternator 20407 is a remanufactured unit designed specifically for 12-volt electrical systems in Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Regal, and Pontiac Grand Prix models. It features a 105-amp output to support vehicle electrical demands and an external fan to maintain optimal operating temperature. The clockwise rotation and included pulley ensure a direct fit replacement, while the internal voltage regulator simplifies installation by eliminating the need for an external regulator. Built to Delco/Delphi OE standards, this alternator provides a reliable solution for restoring charging system functionality.

Common Applications and Issues Addressed

• Replaces faulty or worn alternators causing battery drain
• Resolves dimming headlights and electrical accessory failures
• Fixes charging system warning lights on dashboard
• Eliminates irregular voltage output affecting vehicle electronics
• Restores proper battery charging during engine operation

Installation Notes and Tips

• Verify vehicle compatibility with Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Regal, or Pontiac Grand Prix before installation
• Ensure clockwise rotation matches original alternator direction
• Check that the pulley included matches your vehicle’s belt system
• Disconnect battery before removal and installation to prevent electrical shorts
• Test charging system after installation to confirm proper operation

Quality Assurance and Warranty

Remy Premium Remanufactured alternators undergo comprehensive testing to meet OE performance standards. Each unit is inspected for electrical output, mechanical integrity, and durability. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.