Part #: 12643

Remy 12643 Alternator

Premium Remanufactured
7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Premium Remanufactured
Fitment: Toyota, Sequoia
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Remanufactured Alternator for Toyota Sequoia

Remy Premium Remanufactured alternator Part Number 12643 is a 12-volt, 150-amp charging unit built for Toyota Sequoia applications. It uses an internal fan, internal voltage regulator, clockwise rotation, and includes the pulley for a direct-fit replacement in the specified vehicles.

Key Features

  • Remanufactured alternator from Remy Premium Remanufactured
  • 150 amp output for Toyota Sequoia charging system service
  • 12 V electrical system with internal voltage regulator
  • Internal fan design and clockwise rotation
  • Pulley included for OE-style replacement fitment
  • OE manufacturer reference: Nippondenso
  • Part Number 12643 for catalog and cross-reference use

Product Details

Remy 12643 is a remanufactured alternator for Toyota Sequoia models equipped with the correct charging-system configuration. This unit is built to match the OE-style layout associated with Nippondenso applications and is specified at 150 amps, making it a direct replacement choice for vehicles that need stable charging performance. The Remy Premium Remanufactured line focuses on remanufactured electrical components for service replacement, and this alternator follows that approach with the correct voltage, rotation, fan type, and pulley configuration.

This part cross-references Toyota and Denso OE numbers such as 27060-0F050 and 104210-3390 for the same application. Part Number 12643 is also useful when searching for a Toyota Sequoia alternator replacement by catalog number.

Vehicle Fitment

  • Fits 2008-2009 Toyota Sequoia, N/A, w/Towing Pkg; 150 Amps; Premium Remanufactured
  • Fits 2003-2007 Toyota Sequoia, N/A, Opt; 150 Amps; Premium Remanufactured

Installation Notes and Tips

Verify the vehicle’s towing package and charging-system specifications before installation. Confirm pulley alignment, connector style, and mounting points against the removed unit to ensure the alternator matches the original configuration. Because this alternator uses an internal regulator and clockwise rotation, it should be matched to the OE application listed above.

Quality Assurance

Remy Premium Remanufactured electrical components are remanufactured to service OE-style applications, with specifications aligned to the original Nippondenso design used in these Toyota Sequoia fitments.

BrandRemy
Part Number12643
PositionPremium Remanufactured
Amperage Rating150
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ToyotaSequoia4.7LV8N/Aw/Towing Pkg; 150 Amps; Premium Remanufactured
2008ToyotaSequoia4.7LV8N/Aw/Towing Pkg; 150 Amps; Premium Remanufactured
2007ToyotaSequoia4.7LV8N/AOpt; 150 Amps; Premium Remanufactured
2006ToyotaSequoia4.7LV8N/AOpt; 150 Amps; Premium Remanufactured
2005ToyotaSequoia4.7LV8N/AOpt; 150 Amps; Premium Remanufactured
2004ToyotaSequoia4.7LV8N/AOpt; 150 Amps; Premium Remanufactured
2003ToyotaSequoia4.7LV8N/AOpt; 150 Amps; 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:

104210-3390104210-550027060-0F05027060-0F110

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