Alternator – 6421540802 (VALEO) | Mercedes Sprinter 3.0L Diesel Charging System

SKU: 6421540802 (VALEO) - qty 1 

Restore proper charging performance and electrical reliability to your Mercedes Sprinter with this Alternator – part #6421540802. The alternator is a critical component of the charging system, responsible for powering all electrical systems and keeping the battery charged while the engine runs. A failing alternator can cause battery warning lights, dim lights, electrical malfunctions, hard starts, or complete vehicle shutdown.

This OEM-style alternator is designed for Sprinter vans equipped with the 3.0L V6 OM642 diesel engine, delivering reliable output to support high electrical demand from lighting, HVAC, control modules, and accessories. Ideal for daily drivers, work vans, and fleet vehicles, this alternator is built to meet factory specifications for fit, performance, and durability.

✔ Direct-Fit Alternator Replacement

• Replaces Mercedes-Benz part #6421540802 / A6421540802

• Designed specifically for Sprinter models with the OM642 diesel engine

✔ Reliable Charging Performance

• Maintains consistent voltage output to protect batteries and sensitive electronics

• Supports heavy electrical loads common in commercial Sprinter applications

✔ Built for Longevity

• Engineered for high-heat engine bays and long-duty cycles

• Ideal for replacing worn, noisy, or failing alternators

📌 Fitment Reminder: Always confirm compatibility using your VIN, model year, and engine type before ordering. Alternator output and mounting can vary by configuration.