PCV repair kit Cruze 1.4 Malibu Equinox Terrain Vanderhall 1.5PCV repair kit Cruze 1. 4 Malibu Equinox Terrain Vanderhall 1. 5 This kit fixes the following part numbers GM 12665644 Primary (Fresh Air) Positive Crank Ventilation (PCV) Valve GM 12685407 Positive Crankcase Ventilation (PCV) Valve GM 12637666 Positive Crankcase Ventilation (PCV) Valve GM 12668738 Positive Crankcase Ventilation (PCV) Valve GM 12684207 Positive Crankcase Ventilation (PCV) Valve GM 12655399 Positive Crankcase Ventilation (PCV) Valve GM