04L 131 051 E · Vacuum hose Audi genuine (OEM) part number 04L 131 051 E, Vacuum hose. Fitted on (3)HOSE — pos 31 (KAT745.BIN)HOSE — pos 28 (KAT803.BIN)HOSE — pos 28 (KAT890.BIN) Open the interactive exploded diagram →