Part #: 12231

Remy 12231 Alternator

Premium Remanufactured
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: Toyota, Tacoma and 4Runner
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Toyota 4Runner and Tacoma

The Remy Premium Remanufactured Alternator 12231 is designed to restore your Toyota 4Runner or Tacoma's charging system with dependable performance. This 12-volt alternator features an 80-amp rating and includes an internal voltage regulator for consistent electrical output.

Key Features of Remy Alternator 12231

  • Amperage Rating: 80 amps for efficient power delivery
  • Internal fan type for effective cooling
  • Remanufactured to meet OEM standards
  • OE Manufacturer: Nippondenso, ensuring compatibility
  • Includes pulley for straightforward installation
  • Clockwise rotation direction
  • Internal voltage regulator for stable voltage control

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet strict quality and performance criteria. This ensures that the alternator 12231 provides reliable operation comparable to new units while supporting sustainable vehicle maintenance. These remanufactured parts are ideal for Toyota 4Runner and Tacoma owners seeking a cost-effective replacement without compromising on functionality.

Detailed Product Description

This Remy alternator 12231 is engineered specifically for Toyota 4Runner and Tacoma models, delivering 12 volts and 80 amps to power your vehicle's electrical system. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage output to protect your battery and electrical components. The included pulley and clockwise rotation direction match OEM specifications, simplifying the replacement process and ensuring proper fitment.

Common Issues Addressed by This Alternator

  • Battery not charging or losing charge quickly
  • Dimming or flickering headlights and dashboard lights
  • Electrical system warning lights on the dashboard
  • Unusual noises from the engine bay related to the charging system
  • Failure to start due to insufficient electrical power

Installation Notes and Tips

When installing the Remy Premium Remanufactured Alternator 12231, ensure the battery is disconnected to prevent electrical shorts. Verify the clockwise rotation direction matches your vehicle’s requirements. The included pulley is pre-installed, but check for proper alignment and tension on the drive belt. It is recommended to inspect related components such as the battery and wiring harness for optimal performance after installation.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo rigorous testing to meet OEM standards, ensuring reliable operation and durability. This alternator 12231 is backed by a limited warranty, providing coverage against defects in materials and workmanship. Always refer to the warranty documentation for specific terms and conditions.

BrandRemy
Part Number12231
PositionPremium Remanufactured
Amperage Rating80
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ToyotaTacoma2.7LL4N/A80 Amps; Premium Remanufactured
2004ToyotaTacoma2.4LL4N/A80 Amp Alternator; Premium Remanufactured
2004ToyotaTacoma2.7LL4N/A80 Amp Alternator; Premium Remanufactured
2003ToyotaTacoma2.4LL4N/A80 Amp Alternator; Premium Remanufactured
2003ToyotaTacoma2.7LL4N/A80 Amp Alternator; Premium Remanufactured
2002ToyotaTacoma2.4LL4N/A80 Amp Alternator; Premium Remanufactured
2002ToyotaTacoma2.7LL4N/A80 Amp Alternator; Premium Remanufactured
2001ToyotaTacoma2.4LL4N/A80 Amp Alternator; Premium Remanufactured
2001ToyotaTacoma2.7LL4N/A80 Amp Alternator; Premium Remanufactured
2000Toyota4Runner2.7LL4N/A80 Amp Alternator; Premium Remanufactured
2000ToyotaTacoma2.4LL4N/A80 Amp Alternator; Premium Remanufactured
2000ToyotaTacoma2.7LL4N/A80 Amp Alternator; Premium Remanufactured

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

101211-963027060-75160

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.