Remy 12656 Alternator

Remy 12656 Premium Remanufactured Alternator

The Remy 12656 is a premium remanufactured 12-volt alternator built for charging-system service on select Jeep applications. It delivers 160 amps, uses an internal fan, includes a pulley, and rotates clockwise for the specified OE-style setup.

Compatible with 2006 Jeep Commander and 2005-2006 Jeep Grand Cherokee applications, this alternator is a direct-fit option for vehicles originally equipped with a Nippondenso-style unit and an external voltage regulator. Remy Premium Remanufactured parts are rebuilt to restore dependable electrical output for everyday driving.

Key Features

• Part number: 12656
• 160-amp output for charging-system replacement
• 12-volt alternator with clockwise rotation
• Internal fan design
• Pulley included
• External voltage regulator type
• Remanufactured unit for select Jeep Commander and Jeep Grand Cherokee models
• OE manufacturer reference: Nippondenso

Detailed Description

Remy Premium Remanufactured focuses on OE-style electrical replacement parts for vehicles that need reliable charging performance. The 12656 alternator is built for 2006 Jeep Commander and 2005-2006 Jeep Grand Cherokee fitments, with 160 amps of output and the correct clockwise rotation for the listed applications. If you are replacing a worn alternator on a Jeep Commander or Jeep Grand Cherokee, this unit provides the key electrical and mounting characteristics needed for a proper service replacement.

This part cross-references 56044380AC and 421000-0360 for the same application.

What It Helps Fix

• Battery warning light caused by low alternator output
• Slow battery recovery after starting
• Dim lights or unstable electrical performance
• Charging-system failure from a worn remanufactured unit
• Voltage irregularities in Jeep Commander and Jeep Grand Cherokee applications

Installation Notes and Tips

Verify the vehicle’s year, model, and charging-system configuration before purchase. Confirm that the original unit uses an external voltage regulator, clockwise rotation, and the same OE-style mounting and pulley arrangement. Compare the existing alternator part number and electrical connector details to the listed interchange references and fitment data for the best match.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to support OE-style replacement needs for electrical systems. This alternator is specified for the listed Jeep Commander and Jeep Grand Cherokee applications and should be matched carefully to the vehicle’s original charging-system requirements.