MPA Electrical 15644 Alternator

Remanufactured Alternator for Nissan D21 and Pathfinder

MPA Electrical Part Number 15644 is a remanufactured 12-volt alternator built for select 1990 Nissan D21 and 1990 Nissan Pathfinder applications. It is a 70 amp unit with an internal regulator, internal fan, and clockwise rotation for OE-style charging system service.

Key Features

• 70 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• Internal fan design for alternator cooling
• 1-groove V-belt pulley configuration
• Clockwise rotation
• 4:00 clock position
• Remanufactured by MPA Electrical
• Built by Hitachi

Product Details

This MPA Electrical remanufactured alternator, part number 15644, is specified for 1990 Nissan D21 and 1990 Nissan Pathfinder vehicles. The unit uses a 1-groove V-belt pulley, internal regulator, and internal fan, with a 4:00 clock position and clockwise rotation. For buyers searching for a 1990 Nissan D21 alternator or 1990 Nissan Pathfinder alternator, this part number 15644 matches the listed charging-system configuration and 70 amp output requirement.

MPA Electrical’s Remanufactured line focuses on rebuilt electrical components for direct replacement service. This alternator is sourced from Hitachi and is intended for vehicles that use the same mounting, pulley, and electrical layout as the listed applications. This part cross-references Remy 13285 for the same application.

Common Charging System Issues

• Battery warning light stays on
• Low charging voltage at the battery
• Dim headlights or unstable electrical output
• Battery discharge after driving
• Charging system noise or belt-driven alternator wear

Installation Notes

Verify pulley style, clock position, rotation, and electrical connector layout before installation. Confirm the vehicle uses a 1-groove V-belt setup and the same 12-volt, 70 amp charging specification. Compare the removed unit to MPA Electrical 15644 and the original alternator to confirm fitment on your Nissan D21 or Nissan Pathfinder.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for replacement service using application-specific specifications. This alternator is manufactured by Hitachi and remanufactured to match the listed OE-style configuration for the confirmed vehicle applications.