12V 55A 14391/012489032 Bosch car alternator for Mercedes Benz OM352 OM366 ENGINE

The 12V 55A  14391/012489032 Bosch car alternator for Mercedes Benz OM352 OM366 ENGINE is a precision-engineered component designed specifically for Mercedes-Benz OM352 and OM366 engine series, offering reliable power supply for both commercial and passenger vehicles equipped with these engines.​
With a rated operating voltage of 12V DC and a continuous output current of 55A, this alternator ensures stable electrical performance, effectively meeting the power demands of the vehicle’s electrical system—from ignition and lighting to on-board electronics. Its internal voltage regulator  integrates advanced circuit technology, automatically adjusting output to maintain consistent voltage, reducing electrical load fluctuations and protecting sensitive components like batteries and ECUs.​

In terms of structural design, the alternator features a 17mm diameter shaft  that ensures smooth rotation and precise alignment with engine accessories. It comes without a pulley, allowing flexible matching with original or aftermarket pulleys based on specific vehicle configurations. The mounting dimensions are optimized for direct fitment: a 157mm pivot width/adjustment span  simplifies installation and tension adjustment, while the 12.2mm diameter adjustment hole  and 10.5mm diameter pivot hole  align perfectly with Mercedes-Benz OM352/OM366 engine mounting points, minimizing modification needs during replacement.​

The +B output terminal  uses an M6 thread, ensuring secure connection with battery cables and low resistance for efficient current transmission. As a Bosch-manufactured component, it adheres to strict quality standards, boasting durability against high temperatures, vibration, and moisture—key for long-term operation in harsh automotive environments.​

Ideal for replacing aging alternators or upgrading the electrical system, this product guarantees compatibility with Mercedes-Benz OM352 and OM366 engines, offering hassle-free installation, maintenance-free operation, and reliable performance to keep your vehicle’s electrical system running smoothly.

ZKM31382 Common Application: Mercedes-Benz OM352 OM366 ENGINE