MPA Electrical 11657 Alternator

Remanufactured Alternator for Audi V8 Applications

The MPA Electrical 11657 is a remanufactured alternator built for select Audi charging-system applications. It delivers 190 amps at 12 volts and uses an internal regulator, a liquid-cooled design, and a 5-groove serpentine pulley for the specified fitment.

Compatible With 2013-2018 Audi A8 Quattro, 2014-2018 Audi RS7, 2013-2018 Audi S6, 2013-2018 Audi S7, and 2013-2018 Audi S8. This MPA Electrical remanufactured alternator is identified by part number 11657.

Key Features

• 190 amp output for high-demand charging systems
• 12-volt electrical system application
• Liquid-cooled alternator construction
• Internal voltage regulator
• Clockwise rotation
• 5-groove serpentine pulley
• Clock position: 10:30
• Manufacturer: Hitachi

Product Details

MPA Electrical’s Remanufactured line focuses on rebuilt electrical components for direct replacement use. Part number 11657 is a remanufactured alternator for Audi A8 Quattro, RS7, S6, S7, and S8 applications that require a Hitachi-style unit with liquid cooling and an internal regulator. The 190 amp rating supports vehicles with substantial electrical loads, while the 5-groove serpentine pulley and clockwise rotation match the listed OE-style configuration.

This part cross-references BBB Industries 11657 for the same application.

Common Issues This Alternator May Resolve

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or under load
• Electrical system instability from a failing regulator
• Dim lights or accessory performance issues tied to weak charging
• Noise or charging concerns from a worn alternator assembly

Installation Notes and Tips

Verify pulley groove count, rotation, clock position, and connector style against the removed unit before installation. Because this is a liquid-cooled alternator, inspect the cooling circuit and related hoses or fittings for wear, leaks, or blockage during service. Confirm battery condition and charging-system voltage after installation to ensure the repair is complete.

Quality Assurance

This remanufactured alternator is built under MPA Electrical’s Remanufactured product line and is specified for direct-fit replacement use in the listed Audi applications.