MPA Electrical 11126 Alternator

Remanufactured Alternator for GM Applications

MPA Electrical Part Number 11126 is a remanufactured alternator built for select Buick and Pontiac applications. It is a 12-volt, 125-amp unit with an internal fan, internal regulator, clockwise rotation, and a 6-groove serpentine pulley for direct replacement use.

Compatible with 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, and 2005-2008 Pontiac Grand Prix, this alternator is built around Bosch-based construction details for the listed vehicles. The MPA Electrical 11126 is a practical OE-style charging system replacement for drivers searching for a remanufactured alternator for Buick LaCrosse or Pontiac Grand Prix charging repair.

Key Features

• 125 amps output for standard charging system replacement
• 12-volt electrical system application
• Internal fan and internal regulator
• Clockwise rotation
• 6-groove serpentine pulley
• Remanufactured by MPA Electrical
• Built with Bosch manufacturer specification details

Product Details

This alternator is intended for vehicles that use the listed Bosch-style charging configuration and pulley setup. The MPA Electrical 11126 matches the fitment and electrical characteristics needed for 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, and 2005-2008 Pontiac Grand Prix applications, making it a direct replacement option for charging system service. This part cross-references BBB Industries 11126 for the same application.

Common Issues This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage during engine operation
• Dim lights or electrical instability from weak charging performance
• Battery drain after driving due to insufficient alternator output
• Charging system failure on Buick Allure, Buick LaCrosse, or Pontiac Grand Prix

Installation Notes and Tips

Verify pulley groove count, rotation, amperage, and connector match before installation. Confirm the vehicle uses the listed 12-volt, clockwise, internal-regulator configuration and compare the original unit to the MPA Electrical 11126 before removal. After installation, inspect belt condition and charging voltage to confirm proper system operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for replacement use in the specified applications. This alternator is identified by part number 11126 and supported by interchange references for catalog matching and fitment verification.