MPA Electrical 11120 Alternator

Remanufactured Alternator for Nissan and INFINITI

MPA Electrical 11120 is a remanufactured 12-volt alternator built for charging-system service on select Nissan and INFINITI trucks and SUVs. It is configured with a 130-amp output, internal regulator, internal fan, and a 7-groove serpentine pulley for applications that use a Hitachi alternator.

The MPA Electrical remanufactured line focuses on restoring core electrical components to service-ready condition for direct replacement use. This alternator is a fitment-based solution for 2004-2007 Nissan TITAN, 2004-2006 Nissan Armada, 2004-2006 INFINITI QX56, and 2004 Nissan Pathfinder Armada applications listed below.

• 130 amps of output for factory-style charging performance
• 12-volt alternator with internal voltage regulator
• Internal fan design
• 7-groove serpentine pulley
• Clockwise rotation
• Hitachi manufacturer configuration
• Part number 11120 for direct catalog lookup

Detailed Product Overview

MPA Electrical 11120 is a remanufactured alternator engineered around the listed OE-style specifications: 130 amps, 12 volts, clockwise rotation, clock position 9:30, internal regulation, and an internal cooling fan. The 7-groove serpentine pulley matches the belt drive setup used on the covered Nissan and INFINITI platforms. This part number 11120 is also cross-referenced to BBB Industries 11120 for the same application.

Compatible With 2007 INFINITI QX56, N/A, to 8/2006; remanufactured. Compatible With 2007 Nissan Armada, N/A, to 8/2006, with Hitachi alternator; remanufactured. Compatible With 2007 Nissan TITAN, N/A, to 8/2006; remanufactured. Compatible With 2004-2006 INFINITI QX56, N/A, remanufactured. Compatible With 2005-2006 Nissan Armada, N/A, remanufactured. Compatible With 2004-2006 Nissan TITAN, N/A, remanufactured. Compatible With 2004 Nissan Pathfinder Armada, N/A, remanufactured.

Common Charging-System Issues

• Low battery charge or repeated battery drain
• Dim lights or fluctuating electrical output
• Battery warning light or charging-system fault codes
• Accessory performance problems caused by weak alternator output
• Noise or failure related to a worn alternator assembly

Installation Notes and Tips

Verify the vehicle’s alternator configuration before ordering, especially the Hitachi application details, pulley groove count, rotation, and clock position. Confirm belt alignment and electrical connector match during installation, and inspect the battery, belt, and charging cables so the replacement alternator can operate correctly after installation.

Quality Assurance

This remanufactured alternator is built to the listed specifications for the covered Nissan and INFINITI applications. Use the part number 11120 and the vehicle fitment details to confirm the correct charging-system replacement before installation.