Home/Shop by Part/Heating & Cooling/Engine Cooling/Heater Hoses & Flanges Narrow The Number Of Models Shown By Telling Us The Year Filter Models by Year 1991 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 Choose your GMC Model C 1991 C1500 Truck Heater Hoses & Flanges 1991 C2500 Truck Heater Hoses & Flanges 1991 C3500 Truck Heater Hoses & Flanges 1991 C5000 Topkick Heater Hoses & Flanges 1991 C6000 Topkick Heater Hoses & Flanges 1991 C7000 Topkick Heater Hoses & Flanges J 1991 Jimmy S-15 Heater Hoses & Flanges K 1991 K1500 Truck Heater Hoses & Flanges 1991 K2500 Truck Heater Hoses & Flanges 1991 K3500 Truck Heater Hoses & Flanges S 1991 S-15 Sonoma Heater Hoses & Flanges