Remy 12787 Alternator

Reliable Alternator for Buick, Chevrolet, Pontiac, and Saturn Vehicles

The Remy Premium Remanufactured Alternator 12787 is designed to restore charging system performance in select Buick, Chevrolet, Pontiac, and Saturn models. This remanufactured alternator offers a 125-amp output with an internal fan and voltage regulator, ensuring consistent electrical supply for your vehicle's needs.

• Amperage Rating: 125 amps for stable power delivery
• Internal fan type for efficient cooling
• Remanufactured to meet OE standards
• Original Equipment Manufacturer (OEM): Valeo
• Includes pulley for direct replacement
• Clockwise rotation direction
• 12-volt system compatibility
• Internal voltage regulator for simplified installation
• Superseded part number: 12631

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy focuses on restoring alternators to meet or exceed original equipment specifications. Each unit undergoes a thorough remanufacturing process, including testing and replacement of worn components, to provide reliable performance. The 12787 alternator is part of this line, offering a cost-effective alternative to new parts while maintaining quality and durability.

Product Details and Specifications

This alternator is engineered for 12-volt electrical systems and delivers a 125-amp output suitable for vehicles requiring moderate electrical loads. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. Featuring an internal voltage regulator, the alternator simplifies installation by eliminating the need for external components. The included pulley matches the original specifications, ensuring proper belt alignment and tension. Rotation is clockwise, consistent with the original equipment design.

Compatible Vehicles and Common Applications

• Buick Montana alternator replacement
• Chevrolet Uplander charging system repair
• Pontiac Relay alternator upgrade
• Saturn Terraza electrical system maintenance
• Resolving charging issues in compatible GM minivans and SUVs

Installation Notes and Tips

When installing the Remy 12787 alternator, verify the clockwise rotation direction matches your vehicle’s requirements. Ensure the pulley aligns correctly with the belt system to prevent premature wear. Since this alternator includes an internal voltage regulator, no additional regulator installation is necessary. Always disconnect the battery before beginning replacement to avoid electrical hazards.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet OE performance standards. The 12787 alternator is built with quality components, including those from the original manufacturer Valeo. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.