The VW Group part number 4N1-903-028-A refers to a 48V / 250A water-cooled starter-alternator used in various Audi models. Key specifications for this part include:Type: Starter-Alternator (also referred to as a generator or MHEV belt starter generator).Voltage Output: 48 volts.Current Output: 250 amperes.Cooling Method: Water-cooled.Weight: 13.785 kgVW Group Part Status: Genuine part, often supersedes or is interchangeable with other part numbers like 4N0-903-028-N, 4N0-903-028-P, and 4N0-903-028-H. This type of starter-alternator is commonly associated with the mild-hybrid electric vehicle (MHEV) systems found in modern Audi vehicles, including the A4, A6, A7, A8, Q7, and Q8 ranges from around 2018 onwards. The item is in good working condition!
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