Remy 12640 Alternator

Reliable Alternator for Chevrolet and Pontiac Vehicles

The Remy Premium Remanufactured Alternator 12640 is designed to restore your vehicle's charging system with dependable performance. Engineered for select Chevrolet and Pontiac models, this alternator ensures consistent power delivery and efficient operation.

• Amperage Rating: 130 amps for robust electrical output
• Internal fan type for effective cooling
• Remanufactured to meet OEM standards
• OE Manufacturer: Nippondenso
• Includes pulley for direct replacement
• Clockwise rotation direction
• 12-volt system compatibility
• Internal voltage regulator for stable voltage control

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet strict quality and performance criteria. This process includes thorough testing and replacement of worn components to provide a reliable alternative to new parts. The 12640 alternator benefits from this rigorous remanufacturing process, ensuring it performs consistently in your Chevrolet Cobalt, Pontiac G5, HHR, or Pursuit.

Detailed Product Description

This Remy alternator 12640 is a remanufactured unit originally produced by Nippondenso, a trusted OE manufacturer. It features a 130-amp output suitable for vehicles requiring a strong electrical supply. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures your vehicle’s electrical system remains stable. The included pulley and clockwise rotation make it a direct replacement for compatible models. Note that this part has been superseded to part number 12652, but remains a reliable option for specific applications.

Common Applications and Issues Addressed

• Restores charging system functionality in Chevrolet Cobalt and Pontiac G5
• Replaces failing alternators in Pontiac HHR and Pursuit models
• Solves battery drain caused by insufficient alternator output
• Eliminates electrical system warning lights related to charging faults
• Addresses overheating issues with internal fan cooling

Installation Notes and Tips

Ensure the alternator rotation direction matches your vehicle’s requirements; this model rotates clockwise. Verify the 12-volt system compatibility before installation. Since the pulley is included, it simplifies replacement without needing additional parts. Always disconnect the battery before beginning installation to prevent electrical shorts.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet OEM specifications. While specific warranty details are not provided here, Remy products typically come with a limited warranty covering defects in materials and workmanship. Confirm warranty terms with your parts provider.