MPA Electrical 13857 Alternator

Remanufactured Alternator for Toyota and Scion

MPA Electrical Part Number 13857 is a remanufactured 12-volt alternator built for vehicles that use a Nippondenso charging system. It delivers 90 amps, uses an internal regulator, and features an internal fan with a 4-groove serpentine pulley for clockwise rotation.

This remanufactured alternator is a direct-fit charging component for select Toyota Echo, Scion xA, and Scion xB applications equipped with a 90 amp alternator. Part number 13857 is also cross-referenced to BBB Industries 13857 for the same application.

Key Features

• 90 amp output for OE-style charging performance
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• 4-groove serpentine pulley
• Clockwise rotation
• Remanufactured by MPA Electrical
• Nippondenso manufacturer design

Product Details

MPA Electrical 13857 is a remanufactured alternator intended for charging-system service on 2000-2005 Toyota Echo and 2004-2006 Scion xA and Scion xB models equipped with a 90 amp alternator. The unit is specified with 90 amps, 12 volts, internal regulation, internal cooling fan, and a 4-groove serpentine pulley, making it a focused replacement for the original charging component in these applications. If you are searching for a remanufactured alternator for Toyota Echo 2000-2005 or a Scion xB alternator replacement, Part Number 13857 matches the listed fitment and electrical configuration.

Vehicle fitment includes 2004-2006 Scion xA, 2004-2006 Scion xB, and 2000-2005 Toyota Echo. For buyers comparing alternator part numbers, 13857 also cross-references Nippondenso-style numbers and BBB Industries 13857 for the same application.

What It Helps Address

• Battery warning light caused by alternator output issues
• Low charging voltage during driving
• Dim lights or electrical instability
• Battery drain after the engine is running
• Charging-system failure on a 90 amp alternator application

Installation Notes and Tips

Verify the vehicle is equipped with a 90 amp alternator before ordering. Confirm pulley groove count, connector style, and mounting configuration against the original unit before installation. After installation, check belt alignment and charging voltage at the battery to confirm proper system operation. Fits 2004-2006 Scion xA, N/A; Fits 2004-2006 Scion xB, N/A; Fits 2000-2005 Toyota Echo, N/A.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore charging-system function for listed applications. This alternator is remanufactured and specified for the original Nippondenso-style fitment used in the covered Toyota and Scion models.