Home/Shop by Part/Fuel & Emissions/Emissions & Sensors/PCV Valve & Breather Hoses Narrow The Number Of Models Shown By Telling Us The Year Filter Models by Year 1978 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1993 1992 1978 1977 1973 Choose your GMC Model C 1978 C15 Truck PCV Valve & Breather Hoses 1978 C25 Truck PCV Valve & Breather Hoses 1978 C35 Truck PCV Valve & Breather Hoses K 1978 K15 Truck PCV Valve & Breather Hoses 1978 K25 Truck PCV Valve & Breather Hoses 1978 K35 Truck PCV Valve & Breather Hoses S 1978 Suburban C2500 PCV Valve & Breather Hoses 1978 Suburban K2500 PCV Valve & Breather Hoses