MPA Electrical 7127203 Alternator

Remanufactured OE-Style Alternator

The MPA Electrical 7127203 is a remanufactured 12-volt alternator built for OE-style charging performance. It delivers 61 amps and uses an internal regulator, external fan, clockwise rotation, and a 2-groove V-belt pulley for applications that match these specifications.

Compatible With Chevrolet S10 and Chevrolet S10 Blazer applications, as well as Buick Century, Regal, and Skyhawk fitments listed below. This part number, 7127203, is also a direct reference point for buyers searching OE-style replacement charging components.

Key Features

• 61 amp output for standard charging-system replacement needs
• 12-volt electrical system
• Internal regulator for integrated voltage control
• External fan design
• 2-groove V-belt pulley
• Clockwise rotation
• Remanufactured OE-style alternator from MPA Electrical
• Delco manufacturer specification

Product Details

MPA Electrical part number 7127203 is a remanufactured alternator intended for vehicles that use a Delco-style charging setup with a 2-groove V-belt pulley and clockwise rotation. The 61 amp output and internal regulator make it a direct-spec replacement for older GM applications where the original charging system matches these electrical and mounting details. Buyers searching for 1982 Chevrolet S10 alternator replacement, 1983 Chevrolet S10 Blazer charging system repair, or Buick Century and Regal alternator service will find this unit aligned to the listed fitments.

This part cross-references BBB Industries 7127-3 for the same application.

Vehicle Fitment

• Fits 1983 Chevrolet S10, N/A — fits vehicles without air conditioning; remanufactured.
• Fits 1983 Chevrolet S10 Blazer, N/A — fits vehicles without air conditioning; remanufactured.
• Fits 1982 Chevrolet S10, N/A — OE style alternator; remanufactured.
• Fits 1980 Buick Century, N/A — OE style alternator; remanufactured.
• Fits 1980 Buick Regal, N/A — OE style alternator; remanufactured.
• Fits 1975-1980 Buick Skyhawk, N/A — fits vehicles with air conditioning; remanufactured.

Installation Notes and Tips

Confirm pulley groove count, regulator type, rotation direction, and fan style before installation. Match the vehicle’s air conditioning configuration to the fitment notes, especially on Chevrolet S10 and S10 Blazer applications without air conditioning and Buick Skyhawk applications with air conditioning. Verify belt alignment and charging-system wiring against the original Delco-style unit before final startup.

Quality Assurance

This remanufactured alternator is built to OE-style specifications for the listed applications and is identified by MPA Electrical part number 7127203.