Bosch AL4063N Alternator

Bosch AL4063N Alternator Overview

The Bosch AL4063N is a new 14-volt alternator built for dependable charging performance in select Hyundai and Kia applications. It is designed for vehicles that need a 120-amp output, internal fan cooling, and an internal regulator for stable electrical system operation.

Bosch Alternator (New) products focus on charging-system reliability and consistent fitment. The AL4063N follows that approach with a short mounting configuration, clockwise rotation, a 6-groove pulley design, and negative ground setup for the listed applications.

Key Features

• 14-volt alternator with 120-amp amperage rating
• Internal regulator and internal fan design
• Negative ground electrical configuration
• Clockwise (right) rotation
• 6-groove pulley type / 6S belt profile
• Single pivoted lever mounting type with short mounting configuration
• External regulator included
• New Bosch alternator, part number AL4063N

Detailed Product Description

Bosch AL4063N is a new alternator engineered for charging-system replacement in 2005 Hyundai Sonata, 2005-2006 Hyundai Santa Fe, 2005-2008 Hyundai Tiburon, 2005-2009 Hyundai Tucson, and 2005-2010 Kia Sportage. It is built with a 57.8 mm outside pulley diameter, 6-groove pulley layout, and clockwise rotation to match the specified accessory drive setup. The unit measures 7.283465 inches in length and weighs 12.919089 lb.

This Bosch AL4063N alternator is a direct-fit electrical replacement for drivers searching for a 2005 Hyundai Sonata alternator, a 2005-2006 Hyundai Santa Fe alternator, or a 2005-2010 Kia Sportage alternator. It also cross-references part number 3730037800 for the same application.

What This Alternator Helps Address

• Battery warning light caused by charging-system failure
• Low system voltage during driving or idle
• Dim headlights and unstable electrical output
• Accessory performance issues tied to weak alternator output
• Starting problems related to insufficient charging

Installation Notes and Tips

Verify pulley alignment, belt type, connector orientation, and mounting style before installation. This unit uses a plug clock rear view main mounting ear at 6 o’clock and a single pivoted lever mounting arrangement, so matching the original configuration is important for proper fit. Confirm the vehicle’s charging-system layout and belt routing against the listed specifications before final installation.

Quality Assurance

Bosch Premium Alternators are built and tested for performance and reliability, with the AL4063N produced as a new replacement unit for the listed Hyundai and Kia applications.