1K0 121 157 CF · Coolant hose Audi genuine (OEM) part number 1K0 121 157 CF, Coolant hose. Fitted on (2)HOSE — pos 7 · PR:G0K,G1A (KAT412.BIN)HOSE — pos 7 · PR:G1A,G0K (KAT638.BIN) Open the interactive exploded diagram →