Heater hose is new old stock, never installed on a vehicle.  My information says hose is for the following years and models of Volvo with either a 2.4 engine or a 2.5 turbo engine:  2007-2013 C30, 2006-2013 C70, 2004-2012 S40, and 2004-2012 V50.  My information says part # 30636952 and 30794656 are the same part.