Remy 12947 Alternator

Remanufactured Alternator for Pontiac G6

Remy 12947 is a premium remanufactured alternator built for 12-volt charging systems with a 125-amp output. It is a direct-fit electrical replacement for select Pontiac G6 models and includes an internal voltage regulator, internal fan, and pulley.

Key Features

• Remanufactured alternator from Remy Premium Remanufactured
• 125 amp amperage rating for OE-style charging performance
• 12-volt unit with internal voltage regulator
• Internal fan design for integrated cooling
• Pulley included for application-specific installation
• Clockwise rotation
• OE manufacturer reference: Valeo

Fitment and Application

Compatible with 2009-2010 Pontiac G6, N/A. Compatible with 2008 Pontiac G6, N/A, for vehicles built from 1/1/08. This Remy 12947 alternator is a fitment-based replacement for Pontiac G6 charging system service where the original unit matches the listed application.

This part cross-references Valeo-style OE applications using part numbers such as 20834656 and TG13S031 for the same application.

What It Helps Fix

• Battery warning light caused by alternator output loss
• Low charging voltage during driving
• Dim lights or electrical instability
• Battery drain from a failing charging system
• No-charge or intermittent-charge conditions

Installation Notes and Tips

Verify the vehicle’s original alternator specifications before installation, including amperage, rotation direction, pulley configuration, and regulator type. Confirm the 2008 Pontiac G6 build date note of 1/1/08 before ordering. Inspect the charging circuit, battery condition, and belt drive components during replacement to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to restore core functionality for electrical replacement service. OE manufacturer reference to Valeo helps identify the correct application family for this Pontiac G6 alternator.