Bosch AL3400X Alternator

Bosch Remanufactured Alternator AL3400X

The Bosch AL3400X is a remanufactured 12-volt alternator built for charging-system performance and dependable electrical output. It is a direct-fit replacement for select Toyota Highlander, Toyota RAV4, and Lexus RX350 applications with a 150 amp alternator setup.

Bosch Premium Alternators are remanufactured, tested, and built to deliver consistent operation in demanding daily driving conditions. The AL3400X includes an internal regulator, internal fan, and a 7-groove pulley for the specified belt drive configuration.

Key Features

• 12-volt remanufactured alternator for charging-system replacement
• 150 amp amperage rating for the listed applications
• Internal regulator and internal fan design
• Clockwise rotation direction
• 7-groove pulley included
• Aluminum case and aluminum case material
• 7S-CP pulley and belt type
• One-wire capable: No

Detailed Product Overview

This Bosch alternator, part number AL3400X, is engineered for vehicles that require a 150 amp charging unit with the specified mounting and pulley configuration. It uses a 52 mm outside pulley diameter and a rear-view plug clock position of 4 o’clock with the main mounting ear at 6 o’clock. For buyers searching for a remanufactured alternator for Toyota Highlander, Toyota RAV4, or Lexus RX350, this unit matches the listed electrical and mechanical specifications.

This part cross-references ND 2706031162 for the same application.

Vehicle Fitment

• Fits 2013-2016 Toyota Highlander, N/A; to 150 amp alternator.
• Fits 2008-2009 Toyota Highlander, N/A; to 150 amp alternator.
• Fits 2012 Lexus RX350, N/A; Japan built, to 02/2012, to 150 amp alternator.
• Fits 2010-2012 Toyota Highlander, N/A; Japan built, to 150 amp alternator.
• Fits 2010-2012 Toyota RAV4, N/A; Japan built, to 150 amp alternator, with towing package.
• Fits 2009-2011 Lexus RX350, N/A; Japan built, to 150 amp alternator.
• Fits 2009 Toyota RAV4, N/A; to 150 amp alternator, with towing package.

What This Alternator Helps Address

• Battery warning lights caused by alternator output loss
• Dim headlights or unstable electrical performance
• Charging-system failure on the listed Toyota and Lexus applications
• Voltage irregularities from a worn internal regulator
• Noise or belt-drive issues related to a failing alternator pulley assembly

Installation Notes and Tips

Verify the vehicle’s alternator amperage, plug clock position, mounting ear orientation, pulley groove count, and belt type before installation. This AL3400X is not one-wire capable and is designed for clockwise rotation. Confirm whether the vehicle is Japan built and whether the towing package or production cutoff notes apply before ordering.

Quality Assurance

Bosch Premium Alternators are remanufactured and tested to support reliable charging performance. The AL3400X is built to Bosch’s alternator specifications for the listed fitments and electrical requirements.