12V 150A 20741N/0125711030 Bosch car alternator for MERCEDES BENZ B180 2.0

The 12V 150A  20741N/0125711030 Bosch car alternator for MERCEDES BENZ B180 2.0 is a high-quality replacement part specifically engineered for the MERCEDES BENZ B180 2.0, designed to meet the rigorous electrical demands of this vehicle model.​

Operating at a rated voltage of 12V DC and delivering a continuous output current of 150A, this alternator ensures a steady and reliable power supply to the vehicle’s electrical system, including critical components like the battery, lights, and onboard electronics. Its robust performance is backed by Bosch’s reputation for precision engineering, making it a dependable choice for both daily driving and long-distance journeys.​

Equipped with an internal voltage regulator, the alternator automatically adjusts output to maintain optimal battery charge, preventing overcharging and extending battery life. This integrated feature simplifies installation and reduces the need for additional components, enhancing overall system efficiency.​

In terms of fitment, the alternator features a 17mm shaft size and a 52mm pulley with 5PK grooves, ensuring compatibility with the MERCEDES BENZ B180 2.0’s belt drive system. The mounting configuration includes a 186mm pivot/adjustment distance, with an 8.5mm adjustment hole diameter and a 8.5mm pivot hole mount (M8*1.25 thread), allowing for straightforward installation that aligns with the vehicle’s original specifications. The +B output terminal (M8) ensures secure electrical connection, further streamlining the setup process.​

As a direct replacement for the original part, this alternator offers strong compatibility with the MERCEDES BENZ B180 2.0, eliminating the need for modifications. It is designed for maintenance-free operation, reducing long-term upkeep costs and ensuring consistent performance over time. Whether replacing a worn-out alternator or upgrading the electrical system, this Bosch product delivers the durability and reliability required for Mercedes-Benz vehicles.

ZKM10009 Common Application: Mercedes-Benz B180 2.0