MPA Electrical 7128112 Alternator

Remanufactured Delco Alternator for Classic GM Applications

MPA Electrical 7128112 is a remanufactured 12-volt alternator built for Delco-style charging systems. It delivers 42 amps with an internal regulator, external fan, clockwise rotation, and a 1-groove V-belt pulley for direct replacement service on select Chevrolet, Oldsmobile, Pontiac, and Cadillac applications.

Key Features

• 42 amp output for original-style charging performance
• 12-volt electrical system with internal regulator
• Delco manufacturer configuration
• External fan for cooling support
• 1-groove V-belt pulley
• Clockwise rotation
• Remanufactured for service replacement use

Fitment Details

• Fits 1984 Chevrolet El Camino, N/A; for vehicles without air conditioning or a heated back window; remanufactured.
• Fits 1976-1977 Oldsmobile Starfire, N/A; wo/ AC, Federal Emissions; remanufactured.
• Fits 1973-1975 Pontiac Grand Am, N/A; fits vehicles without air conditioning; remanufactured.
• Fits 1973-1974 Cadillac DeVille, N/A; fits vehicles without air conditioning; remanufactured.

What This Alternator Helps Resolve

• Low battery charging caused by a worn alternator
• Dim lights or unstable electrical output
• Charging-system warning conditions
• Voltage drop from aging internal components
• Restoration of proper charging on Delco-equipped classic vehicles

Installation Notes and Tips

Confirm pulley style, rotation, regulator type, amperage, and belt configuration before installation. This unit uses a 1-groove V-belt pulley and clockwise rotation, so matching the original Delco setup is important for proper alignment and charging performance. This part cross-references BBB Industries 7127-12 and KYB 341677 for the same application.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for replacement service with attention to OE-style fit and function. Verify the vehicle’s charging-system requirements against the listed fitment and electrical specifications before ordering. Part number 7128112 is the reference for this alternator.