MPA Electrical 11439 Alternator

Remanufactured Alternator for Mazda 3

This remanufactured alternator from MPA Electrical is built for 12-volt charging systems and is specified at 110 amps. It uses an internal fan, an external regulator, and a 6-groove serpentine clutch pulley for the 2010-2013 Mazda 3 application.

Key Features

• 110 amp output for steady charging performance
• 12 volt electrical system application
• Internal fan design
• External regulator configuration
• 6-groove serpentine clutch pulley
• Clock position: 3:00
• Clockwise rotation
• Remanufactured by MPA Electrical

Application Details

Fits 2010-2013 Mazda 3, N/A. This alternator is a direct-fit charging component for vehicles using the Mitsubishi-manufactured design with the listed pulley, rotation, and regulator setup. The part number 11439 is also referenced in interchange listings for this application, and 11439 is the MPA Electrical part number to verify during ordering.

This part cross-references BBB Industries (e.g., 11439) for the same application.

What It Helps Resolve

• Battery warning light caused by charging system output loss
• Low-voltage condition during driving or idle
• Dim lights or electrical accessories operating inconsistently
• Alternator noise or charging instability from a worn unit
• Failure to maintain proper system voltage in a Mazda 3

Installation Notes

Confirm pulley groove count, regulator style, rotation, and clock position before installation. Verify the vehicle uses a 12-volt system and matches the 110 amp specification. Compare the original unit to part number 11439 and the Mitsubishi-style interchange references before final fitment on a 2010-2013 Mazda 3.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore charging-system function using the specified application details. This alternator is identified by part number 11439 and is intended to match the listed Mazda 3 fitment and electrical configuration.