Remy 12491 Alternator

Remanufactured Alternator for Mitsubishi Lancer

Remy Premium Remanufactured alternator Part Number 12491 is a 12-volt, 90-amp charging unit built for Mitsubishi applications that call for a clockwise-rotation alternator with an internal regulator. It includes the pulley and uses an internal fan design for OE-style charging system service.

Compatible with 2003-2006 Mitsubishi Lancer applications, this Remy 12491 alternator is a direct-fit electrical replacement for vehicles using Mitsubishi OE part numbers A3TB1791 and MD366831. The Premium Remanufactured line focuses on remanufactured charging components built to meet the needs of everyday repair and replacement work.

Key Features

• Remanufactured alternator from Remy Premium Remanufactured
• 90-amp amperage rating for 12-volt charging systems
• Internal voltage regulator for integrated control
• Internal fan type for alternator cooling
• Pulley included for application-specific fitment
• Clockwise rotation direction
• OE manufacturer reference: Mitsubishi
• Part Number 12491 for catalog and cross-reference lookup

Detailed Description

Remy 12491 is a remanufactured alternator engineered for Mitsubishi Lancer charging-system service across 2003, 2004, 2005, and 2006 model years. With a 90-amp output, internal regulator, and 12-volt design, it supports stable electrical output for the vehicle’s battery charging and accessory power demands. The included pulley and clockwise rotation help match the original equipment configuration on the listed applications. This part cross-references Mitsubishi OE numbers A3TB1791 and MD366831 for the same application.

What It Can Help Resolve

• Battery warning light caused by weak alternator output
• Low charging voltage at idle or under load
• Dim headlights and inconsistent electrical performance
• Battery drain from an alternator that is no longer maintaining charge
• Charging-system failure on a Mitsubishi Lancer with the listed OE reference numbers

Installation Notes and Tips

Verify the vehicle’s original alternator specifications before installation, including amperage rating, rotation direction, regulator type, and pulley configuration. Confirm connector style and mounting points against the removed unit on your 2003-2006 Mitsubishi Lancer. After installation, check charging voltage at the battery and inspect belt condition and tension to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured electrical components built for replacement service in OE-matched applications. Part Number 12491 is specified for Mitsubishi Lancer fitment from 2003 through 2006.