MPA Electrical 13806 Alternator

Remanufactured Alternator for Toyota Sienna

MPA Electrical Part Number 13806 is a remanufactured 12-volt alternator built for 1998-2003 Toyota Sienna applications. It is specified at 100 amps and uses an internal regulator, internal fan, and a 6-groove serpentine pulley for OE-style charging system service.

Built under MPA Electrical’s Remanufactured product line, this alternator is focused on restoring proper charging output for the Toyota Sienna platform. The Nippondenso-style design, clockwise rotation, and direct-fit electrical configuration support replacement of the original charging unit without changing the vehicle’s charging system layout.

• 100 amp output for standard charging system replacement
• 12-volt alternator with internal regulator
• Internal fan design for integrated cooling
• 6-groove serpentine pulley
• Clockwise rotation
• Fits 1998-2003 Toyota Sienna
• Cross-references BBB Industries 13806 for the same application

Detailed Product Overview

This MPA Electrical alternator, part number 13806, is a remanufactured replacement for Toyota Sienna charging system service. It is engineered around a Nippondenso configuration and matches the listed OE-style specifications, including 100 amps, 12 volts, internal regulation, and a 6-groove serpentine pulley. For buyers searching for a remanufactured alternator for 1998-2003 Toyota Sienna or a Toyota Sienna 100 amp alternator, this unit aligns with the vehicle’s original charging setup.

Interchange references include BBB Industries 13806, along with OE-style cross references commonly associated with this application. Use the listed fitment and electrical specifications to confirm match before installation.

Common Issues This Part Can Address

• Battery warning light caused by low alternator output
• Weak charging performance during normal driving
• Dim lights or electrical instability from charging system failure
• Battery drain after the engine is running
• Noise or wear related to a failing alternator assembly

Installation Notes and Tips

Verify pulley groove count, rotation, amperage, and connector style against the original unit before installation. Confirm belt alignment and charging system condition, including battery health and wiring integrity, so the replacement alternator can operate correctly in the Toyota Sienna. This part fits 1998-2003 Toyota Sienna, N/A.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore functional charging performance using the listed application specifications. Part number 13806 is identified for direct replacement use in the 1998-2003 Toyota Sienna platform.