1K0 121 086 AD · Coolant hose Audi genuine (OEM) part number 1K0 121 086 AD, Coolant hose. Fitted on (3)HOSE — pos 8 (KAT412.BIN)HOSE — pos 8 (KAT638.BIN)HOSE — pos 8 (KAT646.BIN) Open the interactive exploded diagram →