MPA Electrical 11391N Alternator

Alternator for Acura and Honda Applications

MPA Electrical 11391N is a new 12-volt alternator built for select Acura and Honda vehicles that use a Nippondenso-style charging system. With 130 amps of output, an internal regulator, and an internal fan, it is specified for dependable charging performance in everyday driving conditions.

This alternator is a direct-fit option for Acura TL, TSX, MDX, ZDX, and RL models, as well as Honda Pilot, Ridgeline, and Odyssey applications. The MPA Electrical New line focuses on replacement electrical components for common OE-style fitment needs.

Key Features

• 130 amp output for stable charging performance
• 12-volt alternator for standard vehicle electrical systems
• Internal regulator for integrated voltage control
• Internal fan design for alternator cooling
• 6-groove serpentine pulley
• Clockwise rotation
• 11:00 clock position
• Built for Nippondenso-style applications
• Part number: 11391N

Detailed Description

MPA Electrical 11391N is an alternator replacement for vehicles equipped with a 6-groove serpentine belt and Nippondenso-type charging layout. The 130 amp rating supports the electrical demands of factory accessories, while the internal regulator helps maintain consistent charging output. The 11:00 clock position and clockwise rotation are important fitment details for matching the original mounting and belt alignment. If you are searching for an Acura TL alternator, Acura TSX alternator, or Honda Odyssey alternator, 11391N is listed for those applications.

Compatible With: 2009-2014 Acura TL; 2010-2014 Acura TSX; 2010-2013 Acura MDX; 2010-2013 Acura ZDX; 2009-2012 Acura RL; 2009-2011 Honda Pilot; 2009-2011 Honda Ridgeline; 2008-2010 Honda Odyssey. Part number 11391N is also a useful reference when verifying the correct replacement for these vehicles.

Common Problems This Part Can Address

• Battery warning light caused by charging system failure
• Low system voltage during driving or idling
• Dim headlights or weak electrical accessories
• Intermittent charging output from a worn alternator
• Starting issues related to insufficient battery recharge

Installation Notes and Tips

Verify pulley type, rotation, clock position, and connector/belt alignment before installation. Confirm the vehicle uses a 6-groove serpentine setup and compare the original alternator to 11391N before removal. For Acura MDX, Acura RL, Honda Pilot, and Honda Odyssey applications, matching the OE-style mounting and electrical configuration is essential for proper installation.

Quality Assurance

MPA Electrical New replacement parts are built for application-specific fitment and electrical specifications. This alternator is intended for direct replacement use on the listed Acura and Honda models, including Acura TL, Acura TSX, and Honda Ridgeline applications.