MPA Electrical 13912 Alternator

Remanufactured Alternator for Dodge and Jeep

MPA Electrical Part Number 13912 is a remanufactured 12-volt alternator built for charging-system service on select Dodge and Jeep applications. It is specified at 136 amps and uses a 6-groove serpentine pulley, making it a direct-fit option for vehicles that need stable output and OE-style electrical performance.

Key Features

• 136 amp output for charging-system replacement
• 12 volt alternator with internal fan design
• External regulator configuration
• Clockwise rotation
• 6-groove serpentine pulley
• Bosch/Nippondenso manufacturer style
• Remanufactured by MPA Electrical

Fitment Details

• Fits 2002-2009 Dodge Ram 2500, N/A
• Fits 2001-2007 Dodge Durango, N/A, with 136 amp alternator
• Fits 2002-2007 Dodge Ram 1500, N/A
• Fits 2002 Jeep Grand Cherokee, N/A, with black plastic rear cover

Product Overview

This MPA Electrical alternator is intended for drivers replacing a worn or failing charging unit on Dodge Ram 1500, Dodge Ram 2500, Dodge Durango, and 2002 Jeep Grand Cherokee applications. Part Number 13912 is built around the listed electrical and pulley specifications so the replacement matches the vehicle’s charging-system requirements and mounting style.

This part cross-references BBB Industries 13912 and 13916 for the same application.

Common Problems It Can Address

• Battery warning light caused by low alternator output
• Dim lights or electrical instability at idle
• Battery not maintaining charge during normal driving
• Charging-system failure from a worn internal component
• Noise or belt-related issues tied to a mismatched pulley setup

Installation Notes and Tips

Verify pulley groove count, rotation, regulator type, and connector style before installation. Confirm the vehicle uses the listed 136 amp configuration, and on 2002 Jeep Grand Cherokee applications, check for the black plastic rear cover noted in fitment. Inspect the belt, battery, and charging connections during replacement to help avoid repeat charging-system faults.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore charging-system function for the listed applications. This alternator is specified with the correct amperage, voltage, fan, pulley, and regulator configuration for the covered Dodge and Jeep fitments.