MPA Electrical 15687 Alternator

Remanufactured Alternator for Dodge Ram and D-Series

This MPA Electrical remanufactured alternator is built for 12-volt charging systems that require a 120 amp output, an internal fan, and clockwise rotation. It is a direct-fit electrical replacement for select Dodge Ram 2500, Ram 3500, and earlier D-Series and W-Series trucks with the specified Nippondenso-style configuration.

Key Features

• 120 amp alternator output for factory-style charging performance
• 12 volt electrical system application
• Internal fan design
• 8 groove serpentine pulley
• Clockwise rotation
• External regulator configuration
• Remanufactured by MPA Electrical
• Manufacturer listed as Nippondenso

Product Details

MPA Electrical Part Number 15687 is a remanufactured alternator for Dodge trucks that use a 120 amp Nippondenso alternator setup. It is listed for 1994-1998 Dodge Ram 2500 and Ram 3500, plus 1990-1993 Dodge D250 and D350, 1990 and 1992-1993 Dodge W250 and W350, and 1990-1991 Dodge W150 applications with the correct pulley and charging-system configuration. This part number 15687 is also cross-referenced to BBB Industries 13302 for the same application.

The remanufactured product line from MPA Electrical focuses on restoring the alternator to service-ready condition for vehicles that need a replacement charging unit without changing the original system layout. For buyers searching for a Dodge Ram 2500 alternator, Dodge Ram 3500 alternator, or a 120 amp alternator for Dodge D250 and W350 trucks, this unit matches the listed electrical and pulley specifications.

Common Problems This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or under load
• Dim headlights or unstable electrical performance
• Charging failure from worn internal alternator components
• Noise or charging issues tied to a failing alternator assembly

Installation Notes and Tips

Verify the vehicle uses a 120 amp alternator with an 8 groove serpentine pulley before installation. Confirm clockwise rotation, 12 volt system requirements, and external regulator setup match the original unit. Compare the existing alternator to the listed Nippondenso configuration and review the vehicle application carefully before replacement.

Quality Assurance

This MPA Electrical remanufactured alternator is rebuilt for the listed Dodge truck applications and specified charging-system configuration. Part Number 15687 is intended for direct replacement use where the original alternator matches the published amperage, pulley, rotation, and regulator details.