BBB Industries 11391 Alternator

Reman Alternator for Acura and Honda

BBB Industries REMAN ALTERNATOR 11391 is a 12-volt, 130-amp replacement alternator built for select Acura and Honda applications. It uses an internal voltage regulator, internal fan, and air cooling to support stable charging performance in vehicles that rely on a serpentine belt drive.

Key Features

• 130 amp amperage rating for OE-style charging output
• 12V alternator with internal voltage regulator
• Air-cooled design with internal fan
• Conventional pulley included, 6-groove serpentine belt type
• Clockwise rotation with negative polarity
• OE manufacturer reference: Nippondenso
• Plug clock position: 11
• Outside pulley diameter: 2-13/16 in. (71 mm)

Product Details

This BBB Industries REMAN ALTERNATOR line focuses on remanufactured charging components for direct-fit replacement needs. Part number 11391 is built for vehicles that use a Nippondenso-style alternator configuration and a 6-groove serpentine drive. It cross-references 31100-RGW-A01 and 104210-5920 for the same application. For drivers searching for a reman alternator for 2009-2014 Acura TL, 2010-2014 Acura TSX, or 2008-2010 Honda Odyssey, this unit matches the listed electrical and pulley specifications.

Vehicle Fitment

• Fits 2009-2014 Acura TL, N/A
• Fits 2010-2014 Acura TSX, N/A
• Fits 2010-2013 Acura MDX, N/A
• Fits 2010-2013 Acura ZDX, N/A
• Fits 2009-2012 Acura RL, N/A
• Fits 2009-2011 Honda Pilot, N/A
• Fits 2009-2011 Honda Ridgeline, N/A
• Fits 2008-2010 Honda Odyssey, N/A

Common Problems This Part Can Address

• Low battery charging caused by a worn alternator
• Battery warning light triggered by charging system failure
• Dim lights or electrical instability at idle
• Noise or bearing wear from an aging alternator assembly
• Charging output loss in Acura and Honda vehicles with the listed fitment

Installation Notes and Tips

Verify pulley groove count, plug clock position, rotation direction, and OE reference before installation. This alternator uses an internal regulator and a conventional pulley, so confirm the belt routing and electrical connector match the original unit on your Acura TL, Acura TSX, Honda Pilot, or Honda Odyssey. Inspect the serpentine belt, tensioner, and battery condition during replacement to help protect the charging system.

Quality Assurance

BBB Industries remanufactures charging components to meet application-specific replacement needs. Part number 11391 is a remanufactured alternator built around the listed OE-style specifications for the confirmed Acura and Honda fitments.