4K0 521 101 L · Cardan shaft Audi genuine (OEM) part number 4K0 521 101 L, Cardan shaft. Fitted on (2)CARD. SHAF — pos 1 · PR:G1D (KAT1123.BIN)CARD. SHAF — pos 1 · PR:0K4 (KAT577.BIN) Open the interactive exploded diagram →