Remy
Premium Remanufactured

Remy 12721 Alternator

Brand Remy 12721
Amperage Rating 100
Fan Type Internal
New or Remanufactured Remanufactured
OE Manufacturer Nippondenso
Pulley Included Yes
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type Internal
Product line Premium Remanufactured
Fits Toyota · 20 vehicles

Premium remanufactured. Remy remanufactured alternator built to OE manufacturer standards.

Internal voltage regulator. Integrated regulation helps simplify the charging system.

Pulley included. Ready for a more complete installation right out of the box.

Cross-references 27060-0P030, 27060-31120 and 104210-4230 for the same application. See all 5.

$245.92Free shipping
In stock · usually ships same day before 1pm CST
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Order total $245.92
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Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured Alternator for Toyota Applications

The Remy Premium Remanufactured 12721 alternator is a 12-volt charging system component built for select Toyota trucks and SUVs. It delivers 100 amps with an internal voltage regulator, internal fan, and clockwise rotation for the specified OE-style applications.

Built as a remanufactured unit from Nippondenso original equipment design, this alternator includes a pulley and is intended for direct replacement in supported Toyota Tacoma, Toyota Tundra, and Toyota FJ Cruiser applications.

Key Features

  • 100 amp amperage rating for OE-style charging output
  • 12-volt alternator with internal voltage regulator
  • Internal fan design for compact charging system packaging
  • Clockwise rotation
  • Pulley included
  • Remanufactured to match Nippondenso OE manufacturer specifications
  • Remy Premium Remanufactured line for select Toyota Tacoma, Toyota Tundra, and Toyota FJ Cruiser fitments

Fitment and Application Details

Compatible with select Toyota charging system applications, including Fits 2005-2015 Toyota Tacoma, N/A, wo/Towing Pkg; 100 Amps; Premium Remanufactured. It also fits 2011 Toyota Tundra, N/A, 100 Amps; To 8/2010; Premium Remanufactured, plus 2006-2010 Toyota Tundra, N/A, 100 Amps, fits various alternator models.; Premium Remanufactured and 2007-2009 Toyota FJ Cruiser, N/A, 100 Amps, fits various alternator models.; Premium Remanufactured.

Part number 12721 is cross-referenced to common OE and aftermarket numbers for the same application, including 27060-0P030 and 104210-4230.

What This Alternator Helps Address

  • Low battery charging caused by a failing alternator
  • Dim lights or electrical instability at idle
  • Battery warning light concerns related to charging output
  • Starting issues caused by insufficient system voltage
  • Charging system noise or irregular alternator operation

Installation Notes and Tips

Verify the vehicle’s original alternator configuration, amperage rating, and application notes before installation. This unit is specified for clockwise rotation and 12-volt systems with an internal regulator, so matching the OE setup is important for proper operation. Confirm belt alignment and electrical connector compatibility during replacement.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to OE-based specifications for the listed Toyota applications. Part number 12721 is built around Nippondenso original equipment design requirements for the supported fitments.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2015ToyotaTacoma4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2014ToyotaTacoma4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2013ToyotaTacoma4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2012ToyotaTacoma4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2011ToyotaTacoma4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2011ToyotaTundra4.0LV6N/A100 Amps; To 8/2010; Premium Remanufactured
2010ToyotaTacoma4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2010ToyotaTundra4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2009ToyotaFJ Cruiser4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2009ToyotaTacomaAutomatic4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2009ToyotaTundra4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2008ToyotaFJ Cruiser4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2008ToyotaTacomaAutomatic4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2008ToyotaTundra4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2007ToyotaFJ Cruiser4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2007ToyotaTacomaAutomatic4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2007ToyotaTundra4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2006ToyotaTacomaAutomatic4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
2006ToyotaTundra4.0LV6N/A100 Amps, fits various alternator models.; Premium Remanufactured
2005ToyotaTacomaAutomatic4.0LV6N/Awo/Towing Pkg; 100 Amps; Premium Remanufactured
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
27060-0P03027060-31120104210-4230104210-4920104210-4921