the file to your mod folder (typically Documents/Euro Truck Simulator 2/mod ). Activate it in the Mod Manager within the game's main menu.
Legendary "50k-addons" [1.41+][v2.7 - 21. 8. 2021] - SCS Forum Pacchetto componenti aggiuntivi 50k 1.46
Note that some parts might require specific truck DLCs (like the DAF Tuning Pack) to be fully compatible. the file to your mod folder (typically Documents/Euro