Remy 20260 Alternator

Remanufactured Alternator for GM Applications

The Remy Premium Remanufactured 20260 is a 12-volt alternator built for GM vehicles that need a dependable charging-system replacement. With 78 amps of output, an internal voltage regulator, external fan, clockwise rotation, and included pulley, it matches the specifications commonly required across a wide range of Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac applications.

Remy Premium Remanufactured focuses on OE-style electrical replacement parts, and this alternator is remanufactured to serve as a direct-fit charging solution for many classic GM trucks, vans, and passenger cars. Part number 20260 is also a useful reference when searching for interchange and OE-style replacement options.

Key Features

• 78 amp alternator output for 12-volt charging systems
• Remanufactured unit for OE-style replacement needs
• Internal voltage regulator for simplified electrical control
• External fan design
• Pulley included
• Clockwise rotation
• OE manufacturer reference: Delco/Delphi
• Cross-reference example: 1100200, JR775005

Detailed Description

Use the Remy 20260 alternator when replacing a worn or failing charging unit on compatible GM platforms. This part number appears across many fitments, including 1983-1991 Chevrolet and GMC trucks and vans, plus selected Buick, Oldsmobile, Pontiac, and Cadillac models. Common search phrases for this application include 78 amp alternator for 1987 Chevrolet Blazer, remanufactured alternator for 1985 GMC Jimmy, and 12V GM alternator with internal regulator.

Fits 1990-1991 Chevrolet P30, N/A. Fits 1989-1991 GMC P3500, N/A. Fits 1987-1988 Chevrolet Blazer, N/A. Fits 1985-1986 Chevrolet Monte Carlo, N/A. Fits 1984-1986 Pontiac Grand Prix, N/A. Fits 1983-1986 GMC C1500, N/A. Fits 1983-1986 Chevrolet C10, N/A. Fits 1983-1985 Buick Regal, N/A. Fits 1983-1985 Pontiac Firebird, N/A. Fits 1983-1986 GMC K2500, N/A.

What It Helps Solve

• Battery warning light caused by weak charging output
• Low-voltage conditions during driving or idling
• Dim headlights and unstable electrical performance
• Charging-system failure from a worn alternator
• Replacement needs for GM vehicles with a 2-pin alternator plug or standard 78 amp setup

Installation Notes and Tips

Verify pulley style, rotation direction, voltage, amperage rating, and connector style before installation. This alternator is listed with a 2-pin plug on many applications, so compare the vehicle connector and mounting configuration to the original unit before ordering. Confirm whether your vehicle uses AC, HBW, or standard equipment notes shown in the fitment data, especially on older Chevrolet and GMC trucks, vans, and passenger cars.

For search relevance, this part is commonly referenced as Remy 20260 alternator, 20260 remanufactured alternator, and Delco/Delphi-style GM charging replacement.

Quality Assurance

This alternator is remanufactured to meet OE-style replacement expectations for compatible GM charging systems. The OE manufacturer reference is Delco/Delphi, which helps buyers match the original application more accurately when replacing the factory alternator.