Remy 12772 Alternator

Remanufactured Alternator for Viper Charging Systems

This Remy Premium Remanufactured alternator is built for 12-volt charging systems and delivers a 125-amp output for the 1998-2002 Dodge Viper. It uses an internal fan, clockwise rotation, an included pulley, and an external voltage regulator type to match the listed application.

Key Features

• Remy Premium Remanufactured alternator
• 125 amp amperage rating
• 12 volt electrical system
• Internal fan design
• Clockwise rotation
• Pulley included
• OE manufacturer reference: Nippondenso
• Part number 12772

Product Details

Remy 12772 is a remanufactured alternator for Dodge Viper charging-system service. It is specified for 1998-2002 Dodge Viper models and is built around the OE manufacturer reference Nippondenso. The external voltage regulator type and 125-amp output make it a direct-match service part for vehicles that require this configuration. This part cross-references OE-style numbers 121000-4360 and 4848662AB for the same application.

Common Issues This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage during driving
• Electrical system instability from a failing alternator
• Accessory performance problems tied to weak charging output
• Starting issues related to insufficient battery recharge

Installation Notes and Tips

Verify the vehicle’s charging-system layout before installation, including the external voltage regulator setup, pulley configuration, rotation direction, and amperage requirement. Confirm fitment for your specific 1998-2002 Dodge Viper application using the part number 12772 and the OE reference before removing the existing unit. After installation, check charging voltage at idle and under load to confirm proper operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to restore core functionality for service replacement use. This alternator is built to match the listed OE-style application details for the Dodge Viper charging system.