You must have all associated parts (e.g., 53381681.part01.rar , 53381681.part03.rar , etc.) in the same folder for the extraction to work [1].
Only start the extraction process from the first file ( .part01.rar ). Software like WinRAR, 7-Zip, or The Unarchiver will automatically detect the other parts and reconstruct the full file [1].
Based on the file naming convention, "53381681.part02.rar" indicates this is [1].
If extraction fails, it is usually because a part is missing, misnamed, or corrupted.
For a solid archive (where the files are compressed together), you cannot extract or use the contents from part 2 alone.