Remy
Premium Remanufactured

Remy 12454 Alternator

Brand Remy 12454
Amperage Rating 80
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 · 4 vehicles

Premium remanufactured. OE-manufacturer remanufacturing for dependable charging performance.

Internal regulator. Built with an internal voltage regulator for simpler installation.

Pulley included. Ready for installation with the pulley already in place.

Cross-references 27060-50300 and 104210-8010 for the same application. See all 2.

$237.13Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $237.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured Alternator for Toyota Tundra

This Remy Premium Remanufactured alternator, part number 12454, is built for 12-volt charging systems and delivers 80 amps of output. It is a direct-fit replacement for select 2003-2006 Toyota Tundra applications with Nippondenso-style mounting and electrical specifications.

The Premium Remanufactured line focuses on OE-style fit and function for charging system service. This alternator includes an internal fan, internal voltage regulator, clockwise rotation, and pulley included, making it a practical replacement for a worn or failing factory unit.

Key Features

  • Remy Premium Remanufactured alternator
  • Part number 12454
  • 80 amp amperage rating
  • 12-volt electrical system
  • Internal fan design
  • Internal voltage regulator
  • Clockwise rotation
  • Pulley included
  • OE manufacturer reference: Nippondenso

Fitment Details

Fits 2003-2006 Toyota Tundra, N/A. This Toyota Tundra alternator application is listed as standard with 80 amps and matches the confirmed vehicle coverage for part number 12454.

This part cross-references Nippondenso-style numbers 27060-50300 and 104210-8010 for the same application.

What It Helps Address

  • Battery warning light caused by low charging output
  • Dim lights or electrical instability at idle
  • Slow battery recovery after starting
  • Charging system failure from a worn alternator
  • Voltage irregularities in the vehicle electrical system

Installation Notes

Verify pulley alignment, connector style, and mounting points against the original unit before installation. Confirm the vehicle uses the listed 80 amp, 12-volt configuration and clockwise rotation. After installation, check charging voltage at the battery and inspect belt condition and tension.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to restore OE-style charging system performance using the listed specifications for this application. Part number 12454 is built for confirmed Toyota Tundra fitment and the Nippondenso reference platform.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006ToyotaTundra4.7LV8N/AStd; 80 Amps; Premium Remanufactured
2005ToyotaTundra4.7LV8N/AStd; 80 Amps; Premium Remanufactured
2004ToyotaTundra4.7LV8N/AStd; 80 Amps; Premium Remanufactured
2003ToyotaTundra4.7LV8N/AStd; 80 Amps; Premium Remanufactured
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
27060-50300104210-8010