TYC 2-21001-A Alternator

Alternator for Hyundai and Kia Applications

This TYC alternator is built for charging-system replacement on select Hyundai and Kia vehicles. Part number 2-21001-A matches applications that use a 150-amp output, a clutch pulley, and clockwise rotation for proper belt drive operation.

Key Features

• TYC part number 2-21001-A
• 150A power generation for charging-system output
• Clutch pulley design with 6 grooves
• Clockwise rotation direction
• OE manufacturer reference: Valeo
• Cross-reference: Bosch AL4128X

Detailed Description

TYC 2-21001-A is an alternator for vehicles equipped with a Valeo-style charging system. It is specified with a 150-amp rating, a 6-groove clutch pulley, and clockwise rotation, making it a direct-match replacement for the listed Hyundai and Kia fitments. This part number 2-21001-A is also referenced by other aftermarket numbers for the same application, including Bosch AL4128X.

Compatible With 2021-2023 Kia Seltos, N/A; 2020-2023 Kia Soul, N/A; 2018-2021 Hyundai Kona, N/A; and 2017-2020 Hyundai Elantra, KOREA BUILT. Use this alternator when servicing charging output concerns on Hyundai Kona, Hyundai Elantra, Kia Soul, or Kia Seltos models that require the listed OE-style configuration.

What It Helps Address

• Low battery charging caused by alternator output loss
• Battery warning light or charging-system fault codes
• Dim lights or electrical instability from weak charging performance
• Noise or belt drive issues related to a worn clutch pulley alternator
• Replacement needs on vehicles using the specified Valeo-style setup

Installation Notes and Tips

Verify pulley groove count, rotation direction, and electrical connector match before installation. Confirm vehicle fitment by year, make, model, and build configuration, especially for 2017-2020 Hyundai Elantra KOREA BUILT applications. Inspect the belt, tensioner, and charging cables during alternator replacement to help ensure proper system operation.

Quality Assurance

TYC manufactures replacement electrical components to OE-style specifications, and this alternator follows the listed OE manufacturer reference and application details for accurate fitment.