901 116 771 01 · Ball stud Porsche genuine (OEM) part number 901 116 771 01, Ball stud. Fitted on (3)STUD — pos 4 (KAT1070.BIN)STUD — pos (4) (KAT1073.BIN)STUD — pos 4 (KAT1073.BIN) Open the interactive exploded diagram →