Bosch AL4063X Alternator

Bosch AL4063X Remanufactured Alternator

The Bosch AL4063X is a remanufactured 12-volt alternator built for charging-system replacement on select Hyundai and Kia vehicles. It is engineered for dependable output, with a 120-amp rating, internal fan, internal regulator, and a 6-groove pulley for belt-driven operation.

Bosch Premium Alternators are part of Bosch’s remanufactured charging line, focused on tested performance and consistent electrical reliability for everyday driving and demanding electrical loads.

Key Features

• Remanufactured Bosch alternator, part number AL4063X
• 12-volt electrical system with 120-amp amperage rating
• Internal fan and internal regulator
• 6-groove pulley included, 58 mm outside pulley diameter
• Clockwise rotation
• Aluminum case and aluminum case color
• External fan included and external regulator included
• Plug type 304 with rear-view plug clock at 6 o’clock

Detailed Description

The Bosch AL4063X remanufactured alternator is built for vehicles that require stable charging performance and OE-style fitment. It uses a 12-volt design with a 120-amp output, internal regulation, and clockwise rotation, making it a direct replacement choice for charging-system service on the Hyundai Tucson, Hyundai Tiburon, Hyundai Santa Fe, Hyundai Sonata, Kia Sportage, and Kia Magentis applications listed below. This part cross-references 3730037800 for the same application.

Compatible With: Fits 2005-2010 Kia Sportage, N/A; Fits 2005-2009 Hyundai Tucson, N/A; Fits 2005-2008 Hyundai Tiburon, N/A; Fits 2005-2006 Hyundai Santa Fe, N/A; Fits 2005-2006 Kia Magentis, N/A; Fits 2005 Hyundai Sonata, N/A.

What It Helps Address

• Battery warning light caused by alternator output loss
• Low charging voltage during idle or driving
• Dim lights and unstable electrical performance
• Battery drain after the engine is running
• Charging-system failure on select Hyundai and Kia models

Installation Notes and Tips

Verify pulley groove count, plug type 304, rotation direction, and mounting-ear orientation before installation. Confirm belt alignment and electrical connector condition during replacement, and inspect the battery and charging cables so the new alternator can operate at full output. Use the vehicle application data to match the correct Hyundai or Kia fitment before ordering.

Quality Assurance

Bosch remanufactured alternators are built, tested, and inspected to support reliable charging performance. The AL4063X is remanufactured to meet the specifications required for the listed Hyundai and Kia applications.