MPA Electrical 13866 Alternator

Remanufactured 125 Amp Alternator

MPA Electrical Part Number 13866 is a remanufactured alternator built for 12-volt charging systems with a 125 amp output. It uses an internal fan, internal regulator, a 6-groove serpentine pulley, clockwise rotation, and a 9:00 clock position for applications that match the listed Valeo-style configuration.

This remanufactured MPA Electrical alternator is a direct-fit charging component for select Buick Rendezvous, Pontiac Aztek, and Pontiac G6 applications. Part number 13866 is also cross-referenced to BBB Industries 13866 for the same application.

• 125 amp output for factory charging-system replacement
• 12-volt alternator with internal regulator
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation with 9:00 clock position
• Valeo manufacturer configuration

Vehicle Fitment

• Fits 2006-2007 Buick Rendezvous, N/A
• Fits 2005 Buick Rendezvous, N/A; w/ 125 amp alt.; Remanufactured
• Fits 2002 Buick Rendezvous, N/A; w/ 125 amp alt.; Remanufactured
• Fits 2005 Pontiac Aztek, N/A; w/ 125 amp alt.; Remanufactured
• Fits 2001-2002 Pontiac Aztek, N/A; w/ 125 amp alt.; Remanufactured
• Fits 2005 Pontiac G6, N/A
• Fits 2003-2004 Buick Rendezvous, N/A; w/ 125 amp Valeo alt.; Remanufactured
• Fits 2003-2004 Pontiac Aztek, N/A; w/ 125 amp Valeo alt.; Remanufactured

What This Alternator Helps Address

• Battery warning light caused by low charging output
• Dim lights or electrical accessories operating inconsistently
• Charging-system failure from a worn alternator
• Voltage instability in Buick Rendezvous and Pontiac Aztek applications
• Replacement needs for a 125 amp Valeo-style alternator setup

Installation Notes

Verify pulley groove count, rotation, clock position, amperage, and connector match before installation. Confirm the vehicle uses the listed 125 amp alternator configuration, especially on 2003-2005 Buick Rendezvous and Pontiac Aztek models. For best results, inspect the belt, battery condition, and charging connections during replacement.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore proper charging-system function for the specified application. This alternator is remanufactured and configured to match the listed Valeo-style fitment requirements for Buick Rendezvous, Pontiac Aztek, and Pontiac G6 vehicles.