MPA Electrical 13981N Alternator

Alternator for Toyota and Lexus Applications

MPA Electrical 13981N is a 12-volt, 150-amp alternator built with an internal regulator, internal fan, and a 6-groove serpentine pulley. It is a clockwise-rotation unit made by Nippondenso for select Toyota and Lexus charging system applications.

This alternator is a direct-fit replacement for vehicles including the Toyota Camry, Highlander, Sienna, Solara, and Lexus ES330 and RX330. The MPA Electrical New line focuses on replacement electrical components for common OE-style applications, and part number 13981N is listed for multiple factory charging system configurations.

Key Features

• 150 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation
• Nippondenso manufacturer specification
• Cross-reference part number: 27060-0A110

Detailed Description

MPA Electrical 13981N alternator is specified for 2004-2008 Toyota Solara, 2004-2007 Toyota Highlander, 2004-2006 Lexus ES330, 2004-2006 Lexus RX330, 2004-2006 Toyota Camry, and 2004-2006 Toyota Sienna, with additional fitment notes for 130-amp, 100-amp, and 150-amp charging system variants where listed. This makes it a strong match for buyers searching for a Toyota Camry alternator replacement, a Lexus RX330 alternator, or a Toyota Highlander charging system part with the correct pulley and rotation specification. Part number 13981N is also referenced against 104210-3450 and 19134496 for the same application.

What This Alternator Helps Address

• Battery warning light caused by charging system output loss
• Low-voltage condition during driving or idle
• Dim lights or electrical accessories operating inconsistently
• Alternator noise related to worn internal components
• Charging failure on Toyota and Lexus vehicles with the listed OE-style configuration

Installation Notes and Tips

Verify pulley groove count, rotation direction, amperage rating, and connector style against the original unit before installation. Confirm whether the vehicle uses the 100-amp, 130-amp, or 150-amp charging system noted in the fitment data for Toyota Highlander, Toyota Sienna, and Lexus RX330 applications. Proper belt condition and battery testing should be checked during replacement to avoid repeat charging-system faults.

Quality Assurance

MPA Electrical supplies replacement electrical components for OE-style fitment coverage. This alternator is built to match the listed Nippondenso-based application details for the specified Toyota and Lexus vehicles.