The Bosch 0120484021 is a high-quality, genuine Bosch alternator designed to provide reliable electrical power for heavy-duty applications. Operating at 28 volts and delivering 80 amps, this robust unit ensures efficient charging of the battery and powers the electrical systems of compatible machinery. It is specifically engineered for Mercedes-Benz trucks, including Actros, Atego, and Axor models, equipped with OM 441 LA, OM 442 LA, OM 447 LA, OM 501 LA, and OM 502 LA engines. Featuring a V-ribbed belt pulley with 8 ribs and a diameter of 65 mm, this alternator is a direct replacement for OEM part number Mercedes-Benz 0091540302, ensuring perfect fit and performance.