4H0 919 390 B · light fibre Audi genuine (OEM) part number 4H0 919 390 B, light fibre. Fitted on (2)LIGHTFIBRE — pos 22 · PR:QQ1 (KAT696.BIN)LIGHTFIBRE — pos 22 · PR:QQ1 (KAT771.BIN) Open the interactive exploded diagram →