MPA Electrical 11120 Alternator

Reliable Alternator for Nissan and Infiniti Vehicles

The MPA Electrical Remanufactured Alternator 11120 is designed to provide consistent 12-volt electrical output for select Nissan and Infiniti models. Engineered with a 130-amp capacity, this alternator supports the charging and starting systems of vehicles like the Nissan Armada, Pathfinder Armada, QX56, and TITAN.

• 130 amps output for stable electrical performance
• Internal fan and regulator for efficient cooling and voltage control
• 7 groove serpentine pulley compatible with factory belts
• Clockwise rotation at 9:30 clock position for proper fitment
• Manufactured by Hitachi, ensuring OEM-level quality

About the Remanufactured Product Line

The Remanufactured line from MPA Electrical offers alternators that have been carefully rebuilt to meet original equipment specifications. This process includes replacing worn components and testing to ensure reliable operation. The 11120 alternator benefits from this approach by delivering dependable performance while maintaining compatibility with Nissan and Infiniti vehicles.

Technical Details and Compatibility

This alternator operates at 12 volts with a 130-amp output, suitable for vehicles requiring moderate electrical loads. The internal fan design helps maintain optimal operating temperatures, while the internal regulator ensures consistent voltage output. The 7 groove serpentine pulley matches factory belt systems, and the clockwise rotation at the 9:30 clock position aligns with the original equipment setup. Compatible with Nissan Armada, Pathfinder Armada, TITAN, and Infiniti QX56 models, this alternator is a direct replacement part number 11120.

Common Applications and Problem Resolution

• Restores charging system functionality in Nissan Armada and Infiniti QX56
• Resolves battery drain issues caused by faulty alternators
• Eliminates dimming or flickering lights due to inconsistent voltage
• Fixes starting problems related to insufficient electrical output
• Replaces worn or damaged alternators in Nissan TITAN and Pathfinder Armada

Installation Notes and Tips

Ensure the vehicle battery is disconnected before installation to prevent electrical shorts. Verify the alternator’s 9:30 clock position and pulley groove count match the original part. Use proper torque specifications when mounting the alternator and reconnect all electrical connections securely. Testing the charging system after installation is recommended to confirm proper operation.

Quality Assurance and Warranty

MPA Electrical’s Remanufactured alternators undergo rigorous testing to meet performance standards. The 11120 alternator is built with Hitachi components, providing reliable durability. Warranty coverage details should be confirmed at the point of purchase, ensuring protection against manufacturing defects.