MPA Electrical 11406 Alternator

Remanufactured Alternator for Lexus V8 Charging Systems

MPA Electrical Part Number 11406 is a remanufactured 12-volt alternator built for select Lexus applications that require a 180-amp charging output. It uses an internal regulator, internal fan, clockwise rotation, and a 6-groove serpentine pulley for OE-style fitment and electrical performance.

This remanufactured MPA Electrical alternator is built by Nippondenso specifications and is intended for Lexus IS F and Lexus GS460 models with the matching charging system layout. Part number 11406 is a direct reference for buyers searching for a Lexus IS F alternator or Lexus GS460 alternator replacement.

Key Features

• 180 amps output for high-demand charging systems
• 12-volt alternator with internal voltage regulator
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation
• Built to Nippondenso specifications
• Remanufactured electrical component

Detailed Product Information

MPA Electrical 11406 is a remanufactured alternator for vehicles equipped with a 12-volt charging system and a 6-groove serpentine belt drive. The internal regulator helps maintain charging control, while the 180-amp rating supports the electrical load found in performance and luxury Lexus platforms. This part number 11406 is a practical OE-style replacement for drivers searching for a Lexus IS F alternator or Lexus GS460 alternator with the correct pulley, rotation, and electrical configuration.

This part cross-references Four Seasons 11406 for the same application.

Vehicle Fitment

• Fits 2008-2014 Lexus IS F, N/A
• Fits 2008-2011 Lexus GS460, N/A

Common Issues This Part Can Address

• Battery warning light caused by weak charging output
• Dim lights or fluctuating electrical performance
• Charging system failure from a worn alternator
• Voltage instability affecting vehicle electronics
• Noise or bearing wear from an aging alternator assembly

Installation Notes and Tips

Verify pulley groove count, rotation direction, and electrical connector match before installation. Confirm the vehicle uses the correct Nippondenso-style alternator configuration and compare the original unit to MPA Electrical 11406 before replacement. After installation, check charging voltage and belt alignment to confirm proper operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for application-specific fitment and charging-system function. Part number 11406 is listed for confirmed Lexus IS F and Lexus GS460 applications with the specified alternator configuration.