Remy 20249 Alternator

Remanufactured 78-Amp Alternator for GM Applications

The Remy Premium Remanufactured 20249 is a 12-volt alternator built for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles from 1983-1986. It features a 78 amp rating, internal voltage regulator, external fan, clockwise rotation, and pulley included for direct replacement service.

Key Features

• Remy Premium Remanufactured alternator
• 78 amp output for select charging-system applications
• 12-volt design with internal voltage regulator
• External fan and clockwise rotation
• Pulley included
• OE manufacturer reference: Delco/Delphi
• Part number: 20249

Detailed Description

Remy 20249 is a premium remanufactured alternator engineered for vehicles that use a 78 amp charging system and Delco/Delphi-style fitment. This unit is listed for 1983-1986 Chevrolet Cavalier, 1983-1986 Oldsmobile Firenza, 1983-1985 Buick Skyhawk, 1984-1986 Cadillac Cimarron, 1986 Buick Skyhawk, 1986 Pontiac Sunbird, 1985 Pontiac J2000 Sunbird, 1984 Pontiac J2000 Sunbird, and 1983 Pontiac J2000 applications with the specified equipment notes. The Remy 20249 is a practical replacement when restoring charging performance on these GM platforms.

This part cross-references Delco/Delphi-style applications such as 1100244 and 10495423 for the same application.

What It Helps Address

• Low battery charging caused by a weak alternator
• Dim lights or unstable electrical output
• Battery warning light concerns related to charging-system failure
• Accessory performance issues from insufficient alternator output
• Starting problems caused by poor system voltage

Installation Notes and Tips

Verify pulley style, rotation direction, voltage, amperage rating, and regulator type before installation. Confirm the vehicle’s equipment notes, including AC and rear defrost configurations where listed, to match the correct application. Compare the original unit to Remy 20249 before removal to ensure connector and mounting alignment.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to meet application-specific electrical requirements for direct replacement service. This alternator is built around OE manufacturer reference data for Delco/Delphi-style systems and is intended for dependable charging-system restoration.