Remy
Premium Remanufactured

Remy 12774 Alternator

Brand Remy 12774
Amperage Rating 140
Fan Type Internal
New or Remanufactured Remanufactured
OE Manufacturer Mitsubishi
Pulley Included Yes
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type Internal
Product line Premium Remanufactured
Fits Pontiac · 2 vehicles

Premium remanufactured. Remy alternator delivers dependable charging performance.

140-amp output. Provides strong electrical support for demanding systems.

Internal regulator. Built with an internal voltage regulator for cleaner packaging.

Cross-references 92211821 and A3TG1581 for the same application. See all 2.

$292.44Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $292.44
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured Alternator for Pontiac GTO

The Remy Premium Remanufactured alternator, part number 12774, is a 140 amp charging unit built for 12-volt systems with an internal voltage regulator and internal fan. It is a direct-fit replacement for select 2005-2006 Pontiac GTO applications and is built with a clockwise rotation and included pulley for the specified vehicle setup.

Key Features

  • 140 amp amperage rating for the Pontiac GTO charging system
  • 12V alternator with internal voltage regulator
  • Internal fan design for controlled cooling
  • Pulley included for the listed application
  • Remanufactured to Remy Premium Remanufactured standards
  • OE manufacturer reference: Mitsubishi

Product Details

Remy part number 12774 is a remanufactured alternator engineered for 2005-2006 Pontiac GTO models. This unit cross-references A3TG1581 and 92211821 for the same application. As a Mitsubishi OE-style design, it supports the factory charging setup with a 140 amp output, internal regulation, and clockwise rotation. For buyers searching for a 2005 Pontiac GTO alternator or a 2006 Pontiac GTO 140 amp alternator, this listing matches the confirmed vehicle fitment.

Common Issues This Part Can Address

  • Battery warning light caused by low alternator output
  • Dim headlights or unstable electrical performance
  • Charging system voltage that falls below specification
  • Noise or wear related to a failing alternator assembly
  • Starting problems linked to insufficient charging

Installation Notes and Tips

Verify the vehicle’s charging system specifications before installation and confirm pulley alignment, connector style, and rotation direction against the original unit. This alternator fits 2005-2006 Pontiac GTO, N/A. Because the application uses an internal regulator, system testing after installation is recommended to confirm proper charging voltage and battery recovery.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured electrical components built to meet application-specific requirements for fit and function. Part number 12774 is intended for confirmed Pontiac GTO fitment and follows the OE manufacturer configuration associated with Mitsubishi-based charging systems.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006PontiacGTO6.0LV8N/A140 Amp Alternator; Premium Remanufactured
2005PontiacGTO6.0LV8N/A140 Amp Alternator; Premium Remanufactured
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
92211821A3TG1581