MPA Electrical 13379 Alternator

Remanufactured Alternator Overview

MPA Electrical Part Number 13379 is a remanufactured 12-volt alternator built for OE fit, form, and function. It uses an internal regulator, external fan design, and clockwise rotation to match the original charging system layout on supported applications.

With a 70-amp rating and Bosch family construction, this alternator is a practical OE-style replacement for drivers searching for a remanufactured alternator for Bosch-style charging systems, including select Chevrolet and GMC applications. Part number 13379 is also referenced by 570519 and 570573 for the same application.

Key Features

• 12.0-volt remanufactured alternator
• 70.0 amp output rating
• Internal regulator for simplified charging control
• External fan design
• Clockwise (right) rotation
• Bosch family alternator
• No pulley included
• 1 plug clock rear view, main mounting ear at 6 o’clock

Product Details

MPA Electrical remanufactured alternators are rebuilt and tested using current remanufacturing and verification methods to deliver OE replacement performance. This unit is configured for vehicles that require a Bosch-style alternator with the listed plug orientation, mounting ear position, and 70-amp output. If you are replacing a worn charging unit on a Chevrolet or GMC truck or SUV with a Bosch-family alternator setup, Part Number 13379 provides a direct-spec replacement path when the original unit matches these details.

This part cross-references 570519 and 570573 for the same application.

Common Problems This Part Can Address

• Battery warning light or charging system warning
• Low charging output from a failing alternator
• Dim lights caused by unstable system voltage
• Battery drain after the engine is running
• Noise or wear from an aging alternator assembly

Installation Notes and Tips

Verify voltage, amperage, plug clock position, mounting ear orientation, rotation direction, and pulley requirements before installation. This alternator does not include a pulley, so reuse or source the correct pulley separately if your application requires one. Confirm the vehicle’s original Bosch-family configuration and connector layout before ordering, especially on Chevrolet and GMC charging system repairs.

Quality Assurance

MPA Electrical remanufactured alternators are produced to OE fit, form, and function standards and are tested to help ensure proper charging performance before use. The remanufacturing process is focused on restoring dependable electrical output for replacement service.