MPA Electrical 11126N Alternator

Alternator for Buick and Pontiac Applications

The MPA Electrical 11126N alternator is a 12-volt charging system component built for select Buick and Pontiac vehicles. It features 125 amps, an internal fan, an internal regulator, and a 6-groove serpentine pulley for clockwise rotation.

Compatible with 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, and 2005-2008 Pontiac Grand Prix, this alternator is a direct-fit replacement for vehicles using the listed charging system configuration. The MPA Electrical New line focuses on replacement electrical components for common repair applications.

Key Features

• Part number: 11126N
• 125 amp output for 12-volt charging systems
• Internal fan and internal voltage regulator
• 6-groove serpentine pulley
• Clockwise rotation
• Bosch manufacturer specification
• Fits Buick Allure, Buick LaCrosse, and Pontiac Grand Prix applications

Detailed Description

MPA Electrical 11126N is an alternator replacement for vehicles that require a Bosch-style 12-volt unit with a 125 amp rating, internal regulation, and a 6-groove serpentine drive. It is listed for 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, and 2005-2008 Pontiac Grand Prix, making it a focused solution for charging-system service on these platforms. If you are searching for a 11126N alternator for a Buick LaCrosse or Pontiac Grand Prix, this unit matches the published electrical and pulley specifications.

This part cross-references BBB Industries 11126 and 11127 for the same application.

Common Repair Uses

• Charging warning light or battery light on the dash
• Low battery voltage caused by alternator output loss
• Dim lights or electrical instability while driving
• Noise or wear related to the alternator pulley or internal components
• Replacement for a failed alternator on Buick Allure, Buick LaCrosse, or Pontiac Grand Prix

Installation Notes and Tips

Verify pulley groove count, rotation direction, amperage rating, and connector style against the original unit before installation. Confirm vehicle year and model match the listed fitment for 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, and 2005-2008 Pontiac Grand Prix. Proper belt alignment and charging-system testing after installation help confirm correct operation.

Quality Assurance

Built to published Bosch specifications for the listed application, MPA Electrical 11126N is a new replacement alternator intended to meet the electrical and fitment requirements shown above.