Remy 21752 Alternator

Remanufactured Alternator for Pontiac and Buick

Remy 21752 is a premium remanufactured alternator built for 12-volt charging systems that need a 125-amp output. It features an internal fan, internal voltage regulator, clockwise rotation, and a pulley included for direct replacement service. This alternator is a practical OE-style solution for select Pontiac Bonneville and Buick Riviera applications.

Key Features

• 125-amp amperage rating for factory-style charging performance
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• Clockwise rotation
• Pulley included
• Remanufactured to meet replacement needs for Delco/Delphi applications
• Part number 21752 for easy identification

Product Details

Remy Premium Remanufactured line focuses on replacement electrical components built for OE-style fit and function. This alternator is made for vehicles originally equipped with Delco/Delphi charging hardware and is listed for Fits 2000-2003 Pontiac Bonneville, N/A and Fits 1999 Buick Riviera, N/A. The 21752 alternator is also cross-referenced to 10464408 and 10464440 for the same application.

Use this Remy 21752 alternator when you need a replacement charging unit for a Pontiac Bonneville or Buick Riviera with the correct 125-amp specification. It supports stable electrical output for the vehicle’s charging system and is suited to direct replacement service where the original unit matches the listed configuration.

Common Issues This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage at the battery
• Electrical system instability from a failing alternator
• Charging problems after alternator bearing, diode, or regulator wear
• Reduced accessory performance due to insufficient amperage output

Installation Notes and Tips

Verify the original alternator’s amperage rating, rotation direction, pulley style, and regulator type before installation. Confirm the vehicle is a 1999 Buick Riviera or a 2000-2003 Pontiac Bonneville with the matching charging-system configuration. Inspect the belt condition, electrical connectors, and charging cables during replacement to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured replacement components for OE-style applications. This alternator is built for Delco/Delphi-based fitment and is identified by part number 21752.