7L8 133 366 · Connecting hose Audi genuine (OEM) part number 7L8 133 366, Connecting hose. Fitted on (3)HOSE — pos 20 (KAT493.BIN)HOSE — pos 31 (KAT493.BIN)HOSE — pos 31 (KAT675.BIN) Open the interactive exploded diagram →