4N0 521 101 B · Cardan shaft Audi genuine (OEM) part number 4N0 521 101 B, Cardan shaft. Fitted on (2)CARD. SHAF — pos (1) · D (KAT838.BIN)CARD. SHAF — pos (1) · PR:TI4+K8B (KAT838.BIN) Open the interactive exploded diagram →