9P1 121 393 · Heating hose Porsche genuine (OEM) part number 9P1 121 393, Heating hose. Fitted on (3)HOSE — pos 7 (KAT1041.BIN)HOSE — pos 9 (KAT1042.BIN)HOSE — pos 9 (KAT1047.BIN) Open the interactive exploded diagram →