992 121 393 · Heating hose Porsche genuine (OEM) part number 992 121 393, Heating hose. Fitted on (3)HOSE — pos 4 (KAT1053.BIN)HOSE — pos 4 (KAT1076.BIN)HOSE — pos 4 (KAT1208.BIN) Open the interactive exploded diagram →