MPA Electrical
Remanufactured

MPA Electrical 13981 Alternator

Brand MPA Electrical 13981
Amps 150 Amps
Clock 2:00
Fan Internal
Manufacturer Nippondenso
Pulley 6 Groove Serpentine
Regulator Internal
Rotation Clockwise
Volts 12 Volts
Product line Remanufactured
Fits Toyota · 3 vehicles

Remanufactured. A remanufactured alternator for dependable charging performance.

150 amps. Provides strong output for steady electrical demand.

Internal regulator. Built with an internal regulator for simplified operation.

Cross-references BBB Industries 13981, 27060-0A110 and 104210-3450 for the same application. See all 4.

$164.14Free 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 $164.14
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 Sienna

MPA Electrical Part Number 13981 is a remanufactured 12-volt alternator built for 2004-2006 Toyota Sienna models with the 150 amp alternator application. It uses an internal regulator, internal fan, clockwise rotation, and a 6-groove serpentine pulley for a direct OE-style charging system match.

Key Features

  • 150 amp output for the specified Toyota Sienna charging system
  • Remanufactured alternator from MPA Electrical
  • Nippondenso manufacturer style
  • 12 volts with internal regulator
  • Internal fan for charging system cooling
  • 6-groove serpentine pulley
  • Clockwise rotation
  • Clock position: 2:00

Product Details

This MPA Electrical remanufactured alternator, part number 13981, is built for the 2004-2006 Toyota Sienna with the optional 150 amp alternator setup. The unit matches the listed electrical and mounting specifications, including 12 volts, internal regulation, internal cooling fan, clockwise rotation, and a 6-groove serpentine pulley. This part cross-references BBB Industries 13981 for the same application.

Common Issues This Part Can Address

  • Battery warning light caused by alternator output loss
  • Low charging voltage at the battery
  • Dim lights or electrical instability while driving
  • Charging system failure on a 2004-2006 Toyota Sienna
  • Noise or wear related to a failing alternator assembly

Installation Notes and Tips

Verify the vehicle uses the optional 150 amp alternator application before ordering. Confirm pulley groove count, rotation, and clock position against the original unit to ensure proper alignment and connector fitment. Fits 2004-2006 Toyota Sienna, N/A. Professional installation and charging system testing after replacement help confirm correct operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore charging-system function for the specified application. Part number 13981 is listed with OE-style interchange references including Toyota 27060-0A110 and Denso 104210-3450 for fitment verification.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006ToyotaSienna3.3LV6N/AOptional, w/ 150 amp alt.; Remanufactured
2005ToyotaSienna3.3LV6N/AOptional, w/ 150 amp alt.; Remanufactured
2004ToyotaSienna3.3LV6N/AOptional, w/ 150 amp alt.; Remanufactured
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 1398127060-0A110104210-345019134496