Remy 12004 Alternator

Remanufactured Alternator for Nissan Quest and Mercury Villager

The Remy Premium Remanufactured Alternator, part number 12004, is a 12-volt charging system component built for direct replacement in select Nissan Quest and Mercury Villager applications. It delivers 125 amps of output with an internal voltage regulator and internal fan design for controlled charging performance.

Key Features

• 125 amp amperage rating for vehicle charging demand
• 12-volt alternator with internal voltage regulator
• Internal fan type for integrated cooling
• Clockwise rotation
• Pulley included
• Remanufactured to OE manufacturer specifications from Mitsubishi
• Fits 1999-2002 Mercury Villager, N/A
• Fits 1999-2002 Nissan Quest, N/A

Product Details

Remy 12004 is part of the Premium Remanufactured line, which focuses on remanufactured electrical components built for OE-style fit and function. This alternator is specified for 1999-2002 Mercury Villager and 1999-2002 Nissan Quest models, making it a direct-fit charging system replacement for these vehicles. The unit is remanufactured to Mitsubishi OE manufacturer standards and includes the pulley, internal fan, and internal regulator configuration needed for the listed applications. This part number 12004 is also a useful reference when searching for a replacement alternator for a Nissan Quest or Mercury Villager charging system repair.

This part cross-references 23100-7B000 and A3TA5691 for the same application.

Common Issues This Part May Resolve

• Battery warning light illuminated on the dash
• Low charging voltage at the battery
• Dim headlights or electrical accessories losing power
• Battery repeatedly discharging after driving
• Charging system noise related to alternator wear

Installation Notes and Tips

Verify pulley alignment, connector style, and mounting points against the removed unit before installation. Confirm the vehicle’s charging system condition after replacement, including battery state of charge and belt condition, to ensure proper alternator operation. Because this is a remanufactured electrical component, clean electrical connections and a sound battery are important for accurate diagnosis and reliable performance.

Quality Assurance

Remy Premium Remanufactured components are remanufactured electrical parts built around OE manufacturer specifications for the listed application. Part number 12004 is engineered for the confirmed fitment shown above and is intended as a direct replacement alternator for the specified Nissan Quest and Mercury Villager model years.