Remy 20508 Alternator

Remy 20508 Alternator for Heated Windshield Applications

Remy 20508 is a premium remanufactured 12-volt alternator built for charging-system replacement on select Buick, Oldsmobile, and Pontiac vehicles. It delivers 140 amps, uses an internal voltage regulator, and includes the pulley for a direct-fit service replacement.

Key Features

• 140-amp amperage rating for higher electrical demand
• 12-volt alternator with internal voltage regulator
• External fan design for cooling support
• Clockwise rotation
• Pulley included
• Premium remanufactured unit
• OE manufacturer reference: Delco/Delphi

Product Details

Remy Premium Remanufactured 20508 is engineered as a charging-system replacement for vehicles equipped with a heated windshield. It fits 1991-1992 Buick Park Avenue, 1992 Oldsmobile 98, and 1992 Pontiac Bonneville, all with the 140-amp configuration noted in the fitment data. This alternator cross-references Delco/Delphi 10463217 and 10479966 for the same application. The Remy 20508 part number is a useful reference when matching the correct alternator for these Buick Park Avenue, Oldsmobile 98, and Pontiac Bonneville applications.

What This Alternator Helps Address

• Battery warning light caused by weak charging output
• Low system voltage under accessory load
• Dim lights or electrical instability
• Charging failure from a worn alternator
• Fitment issues when replacing the original Delco/Delphi unit

Installation Notes and Tips

Verify the vehicle uses the heated windshield application and matches the 140-amp, 12-volt, clockwise-rotation configuration before installation. Confirm pulley style and electrical connector match the original unit, and inspect the belt drive, wiring, and battery condition during replacement. The Remy 20508 alternator is listed for N/A position fitment, so use the vehicle-specific application data to confirm correct placement.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to support OE-style replacement needs, with OE manufacturer reference to Delco/Delphi for this application. The Remy 20508 alternator is built for direct replacement use on the listed vehicles and configuration.