Remy 21008 Alternator

Remanufactured Alternator for GM Applications

The Remy 21008 is a premium remanufactured 12-volt alternator built for GM charging-system applications that require a 105 amp output. It features an internal fan, internal voltage regulator, clockwise rotation, and an included pulley for direct-fit service on listed vehicles.

Compatible With 1993-1997 Buick Century, Buick Regal, Chevrolet Lumina, Chevrolet Monte Carlo, Pontiac Grand Prix, and Oldsmobile Cutlass Supreme applications that call for this OE-style charging unit. The Remy Premium Remanufactured line focuses on remanufactured electrical components built to match the original equipment manufacturer design used in these vehicles.

Key Features

• Part number 21008 remanufactured alternator
• 105 amp amperage rating for listed charging-system applications
• 12V electrical system with internal voltage regulator
• Internal fan design
• Clockwise rotation
• Pulley included
• OE manufacturer reference: Delco/Delphi
• This part cross-references AC Delco (e.g., 10463390, 10463405) for the same application.

Detailed Description

Remy 21008 is a premium remanufactured alternator intended for vehicles originally equipped with a 105 amp charging system. It is built with an internal regulator and internal fan configuration, and it follows the clockwise rotation used in the listed GM applications. The included pulley and OE-style design support direct replacement service where the original unit matches these specifications. This part number 21008 is a practical choice for restoring charging performance on 1997 Buick Century, 1995-1997 Chevrolet Lumina, 1995-1997 Chevrolet Monte Carlo, 1994-1997 Pontiac Grand Prix, 1994-1996 Buick Regal, and 1993-1995 Oldsmobile Cutlass Supreme models with the correct electrical setup.

What It Helps Fix

• Low battery charge or repeated battery drain
• Dim lights caused by weak charging output
• Battery warning light related to alternator output
• Charging-system instability from a failing alternator
• Electrical accessory performance issues tied to insufficient voltage

Installation Notes and Tips

Verify the vehicle’s charging-system rating before ordering, since some listed applications are not compatible with vehicles equipped with less than 105 amps capacity. Confirm pulley style, rotation direction, voltage regulator type, and OE reference before installation. Use the vehicle’s original application details to match this alternator to the correct GM platform and avoid fitment errors.

Quality Assurance

As part of Remy’s Premium Remanufactured line, this alternator is remanufactured to OE manufacturer specifications associated with Delco/Delphi applications. That makes it a suitable OE-style replacement for the listed Buick, Chevrolet, Pontiac, and Oldsmobile models when the original charging-system configuration matches the part specifications.