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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.
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.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Toyota | Sienna | 3.3L | V6 | N/A | Optional, w/ 150 amp alt.; Remanufactured |
| 2005 | Toyota | Sienna | 3.3L | V6 | N/A | Optional, w/ 150 amp alt.; Remanufactured |
| 2004 | Toyota | Sienna | 3.3L | V6 | N/A | Optional, w/ 150 amp alt.; Remanufactured |
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