Remy 12249 Alternator

Remanufactured Alternator for GM V6 Charging Systems

The Remy Premium Remanufactured 12249 alternator is a 12-volt, 140-amp charging unit built for select Cadillac and Pontiac applications. It uses an internal voltage regulator, internal fan, clockwise rotation, and includes the pulley for a direct-fit replacement in supported vehicles.

Key Features

• 140 amp amperage rating for stable charging output
• 12V alternator with internal voltage regulator
• Internal fan design for integrated cooling
• Clockwise rotation
• Pulley included
• Remanufactured to Remy Premium Remanufactured standards
• OE manufacturer reference: Nippondenso

Product Line Details

Remy Premium Remanufactured focuses on remanufactured electrical components built for direct replacement use. This alternator follows the OE-style configuration associated with Nippondenso applications and is identified by part number 12249 for catalog matching and service lookup.

Detailed Description

Use the Remy 12249 alternator when replacing a worn or failing charging unit on 2001-2005 Cadillac DeVille, 2004-2005 Pontiac Bonneville, and 2001-2004 Cadillac Seville applications. This 140 amp alternator is specified for 12-volt systems and uses an internal regulator to manage charging output within the vehicle’s electrical system. The included pulley and clockwise rotation help match the original equipment configuration for the listed vehicles. This part cross-references AC Delco 104210-3060 and 104210-3070 for the same application.

What It Helps Fix

• Battery warning light caused by alternator output loss
• Low charging voltage during driving or idle
• Dim lights or unstable electrical performance
• Battery drain from a failing charging system
• Noise or charging issues related to a worn alternator assembly

Installation Notes and Tips

Verify the OE manufacturer reference, amperage rating, rotation direction, and pulley configuration before installation. Confirm the vehicle’s charging system wiring and belt alignment are in good condition, and compare the original unit to part number 12249 before final fitment. This alternator is listed for 2001-2005 Cadillac DeVille, 2004-2005 Pontiac Bonneville, and 2001-2004 Cadillac Seville applications only.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured electrical components intended to meet the configuration requirements of the listed applications. Part number 12249 is cataloged as a remanufactured alternator with OE manufacturer reference to Nippondenso for fitment verification.