Alternator 0121541302 13953 for Mercedes G500 S350 S430 SL500 CL500 2002-2009

Alternator 0121541302 13953 for Mercedes G500 S350 S430 SL500 CL500 2002-2009

This alternator, referenced as 0121541302 and 13953, is a replacement charging unit for several Mercedes models from 2002 to 2009, keeping the battery charged and the electrical system running.

Overview

This alternator is a direct replacement charging component referenced under part numbers 0121541302 and 13953. It restores charging output on compatible Mercedes vehicles so the battery, lights, and electronics stay powered. A practical choice for drivers facing a failed or weak alternator.

Built For Performance

• Cross-referenced to 0121541302 and 13953 for easy identification
• Bearing-supported rotor for smooth, quiet rotation
• Sealed housing helps protect internal components from dust and moisture
• Built-in voltage regulation for stable charging output
• Direct-fit mounting points for straightforward replacement

Fits These Machines

• for Mercedes G500
• for Mercedes S350
• for Mercedes S430
• for Mercedes SL500
• for Mercedes CL500

On-The-Job Use

• Replacing a failed alternator that will not hold a charge
• Restoring charging output on daily-driven Mercedes vehicles
• Routine electrical system repairs in the 2002 to 2009 model range

Specs At A Glance

Good To Know

Q: How do I know if my alternator needs replacing? A: A battery warning light, dimming lights, or a battery that keeps going flat are common signs of a failing alternator on these models.

Q: Should I confirm the part number before buying? A: Yes, match 0121541302 or 13953 against your existing unit or vehicle documentation, since fitment can vary by engine and model year.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.