MPA Electrical 11477 Alternator - Upper

Remanufactured 180 Amp Alternator for Ram

MPA Electrical Part Number 11477 is a remanufactured alternator built for Ram trucks equipped with a Mitsubishi 180 amp charging system. It delivers 12-volt output, clockwise rotation, and an internal fan layout for applications that require a 6-groove serpentine pulley and external regulator control.

This remanufactured MPA Electrical alternator is a direct-fit charging component for select Ram 1500, Ram 2500, Ram 3500, and Ram 1500 Classic applications. Use Part Number 11477 when matching the Mitsubishi 180 amp alternator configuration on the vehicle.

Key Features

• 180 amp output for 12-volt charging systems
• Mitsubishi manufacturer configuration
• 6-groove serpentine pulley
• Clockwise rotation
• Internal fan design
• External regulator setup
• Remanufactured electrical component

Detailed Description

MPA Electrical 11477 is a remanufactured alternator for Ram trucks that use the Mitsubishi 180 amp charging setup. It is specified with a 12:15 clock position, clockwise rotation, internal fan, and a 6-groove serpentine pulley, making it important to match the original unit’s mounting and belt-drive configuration before installation. This part number 11477 also cross-references BBB Industries 11477 for the same application.

Fits 2014-2021 Ram 2500, Upper, Dual Alternator System, With 180 Amp Alternator; Remanufactured. Fits 2014-2021 Ram 3500, Upper, Dual Alternator System, With 180 Amp Alternator; Remanufactured. Fits 2019 Ram 1500 Classic, N/A, With Mitsubishi 180 Amp Alternator; Remanufactured. Fits 2016-2018 Ram 1500, N/A, w/ Mitsubishi 180 amp alt.; Remanufactured. Fits 2012-2014 Ram 1500, N/A, w/ Mitsubishi 180 amp alt.; Remanufactured. Fits 2014-2018 Ram 2500, N/A, With Single Alternator System, With Mitsubishi 180 Amp Alternator; Remanufactured. Fits 2011-2018 Ram 2500, N/A, w/ Mitsubishi 180 amp alt.; Remanufactured. Fits 2014-2018 Ram 3500, N/A, With Single Alternator System, With Mitsubishi 180 Amp Alternator; Remanufactured. Fits 2011-2018 Ram 3500, N/A, w/ Mitsubishi 180 amp alt.; Remanufactured. Fits 2010 Dodge Ram 2500, N/A, Compatible with vehicles equipped with alternators.; Remanufactured.

What It Helps Address

• Low charging output at the battery
• Battery warning light or charging system fault codes
• Dim lights or electrical instability under load
• Alternator noise or bearing-related charging issues
• Failure to maintain system voltage in Ram truck electrical systems

Installation Notes and Tips

Verify the vehicle’s alternator type, pulley groove count, regulator style, rotation, and clock position before ordering. This alternator is listed for Ram 1500, Ram 2500, Ram 3500, and Ram 1500 Classic applications with the Mitsubishi 180 amp alternator configuration, including upper-position dual alternator systems on select Ram 2500 and Ram 3500 models. Confirm belt alignment and electrical connector match during replacement.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore charging-system function for service replacement use. Part Number 11477 is specified for confirmed Ram fitments and Mitsubishi 180 amp alternator applications.