Remy 21089 Alternator

Remanufactured 140 Amp Alternator for GM Full-Size Cars

The Remy Premium Remanufactured 21089 is a 12-volt alternator built for select 1994-1995 Buick, Oldsmobile, and Pontiac full-size sedans. It features a 140 amp output, internal voltage regulator, external fan, clockwise rotation, and an included pulley for direct replacement service.

Key Features

• 140 amp amperage rating for charging-system replacement
• Remanufactured unit from Remy Premium Remanufactured
• OE manufacturer reference: Delco/Delphi
• 12-volt alternator with internal voltage regulator
• External fan design with clockwise rotation
• Pulley included for application-specific fitment
• Cross-reference part numbers: 10463625, 10480171

Product Details

Remy part number 21089 is a remanufactured alternator for vehicles originally equipped with a 140 amp charging system. It is listed for 1995 Buick LeSabre, 1995 Buick Park Avenue, 1995 Oldsmobile 88, 1995 Oldsmobile 98, and 1995 Pontiac Bonneville. It also fits 1994 Buick Park Avenue with a 5:00 alternator plug and no black rear cover, 1994 Oldsmobile 98 with the external fan alternator and optional 140 amp feature, and 1994 Pontiac Bonneville with a 5:00 alternator plug and no black rear cover.

Common Replacement Uses

• Charging warning light or low-output alternator concerns
• Battery not maintaining charge during normal driving
• Dim lights or electrical load issues at idle
• Alternator noise or charging instability
• Replacement for a failed OE-style Delco/Delphi unit

Installation Notes and Tips

Verify the vehicle’s alternator plug style, rear cover configuration, rotation direction, and amperage rating before installation. This part is listed for 1994-1995 Buick LeSabre, Park Avenue, Oldsmobile 88, Oldsmobile 98, and Pontiac Bonneville applications, so matching the original electrical connector and mounting setup is important for proper fit. Confirm belt alignment and charging-system condition after installation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to meet application-specific replacement needs for OE-style service. This alternator is built as a remanufactured replacement for Delco/Delphi-based charging systems and is identified by part number 21089.