MPA Electrical 7912507 Alternator

Remanufactured Alternator for Select GM Applications

The MPA Electrical 7912507 is a remanufactured 12-volt alternator built for select Chevrolet, GMC, and Pontiac applications. It delivers 85 amps and uses an internal regulator, external fan, and 5-groove serpentine pulley for the specified charging system setup.

Compatible With 1990 Chevrolet P30, first production, with 7 o'clock plug; 1990 GMC P3500, with 7:00 alternator plug; and 1988 Pontiac Fiero without air conditioning. The MPA Electrical remanufactured line focuses on restored electrical components for direct replacement use in confirmed vehicle applications.

Key Features

• Part number: 7912507
• 85 amp output for 12-volt charging systems
• Internal voltage regulator
• External fan design
• 5-groove serpentine pulley
• Clockwise rotation
• Clock position: 7:00
• Remanufactured Delco unit

Detailed Description

This remanufactured alternator is built to match the listed electrical and mounting specifications for the confirmed applications. It is a Delco-style unit with an internal regulator, clockwise rotation, and a 7:00 clock position, making it a direct-match replacement for vehicles that require those exact charging-system details. The 7912507 alternator is also referenced under part numbers 7865-7, 7894-7, 7958-7, 1101150, 1101464, 10463005, 10497120, and 19135910 for the same application.

Use this MPA Electrical alternator when servicing a 1990 Chevrolet P30, 1990 GMC P3500, or 1988 Pontiac Fiero with the listed configuration. The part number 7912507 should be matched to the plug orientation, pulley style, and amperage requirement before installation.

What It Helps Solve

• Low battery charging caused by a failing alternator
• Dim lights or electrical draw from weak charging output
• Battery warning light triggered by charging-system faults
• Starting issues related to insufficient alternator output
• Charging problems on vehicles requiring a 7:00 plug orientation

Installation Notes and Tips

Verify the plug position, pulley groove count, rotation direction, and amperage rating against the original unit before installation. Confirm fitment for 1990 Chevrolet P30 first production with 7 o'clock plug, 1990 GMC P3500 with 7:00 alternator plug, or 1988 Pontiac Fiero without air conditioning. Inspect belt alignment and electrical connections during replacement to ensure proper charging-system operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for application-specific replacement use and are identified by exact fitment and electrical specifications. This alternator is a remanufactured Delco unit, making it a practical choice for restoring charging performance in the listed Chevrolet, GMC, and Pontiac vehicles.