MPA Electrical A-1390 Alternator

Remanufactured Alternator Overview

MPA Electrical A-1390 is a remanufactured alternator for charging-system service on select Chevrolet and GMC medium-duty applications. It is built for direct replacement use where the original unit matches the listed fitment and electrical configuration.

Key Features

• Remanufactured alternator for charging system repair
• 12V, 145A output specification
• Negative internal regulation with external fan configuration
• CS144 case design for listed applications
• Direct-fit replacement for compatible Chevrolet and GMC P60 and P6000 models

Detailed Description

This MPA Electrical alternator, part number A-1390, is specified for 1992-1996 Chevrolet P60 and P6000 models, plus 1992-1996 GMC P6000 and 1987 GMC P6000 applications. The listed configuration includes 12V operation, 145 amp output, negative regulation, internal fan design, and CS144 construction, making it important to match the original unit before installation. For buyers searching for a Chevrolet P60 alternator or GMC P6000 alternator, A-1390 provides a remanufactured replacement built around the stated electrical and mounting specifications. This part number A-1390 is also relevant when replacing a charging unit on Chevrolet P60 and GMC P6000 trucks that require the same alternator setup.

What It Is Used For

• Restoring battery charging performance
• Replacing a failed alternator with the same electrical output
• Addressing low-voltage or charging warning conditions
• Correcting noise or bearing-related alternator failure
• Replacing a unit with the listed CS144 configuration

Installation Notes and Tips

Verify the original alternator’s voltage, amperage, regulation type, fan style, and case design before ordering. Confirm the vehicle application against the listed fitment for Chevrolet P60, Chevrolet P6000, and GMC P6000 models. Because alternator configurations can vary within the same model line, matching the original unit is essential for proper fit and charging-system operation.

Quality Assurance

MPA Electrical supplies this part as a remanufactured alternator, and the A-1390 designation helps identify the correct charging-system replacement for the listed applications.