Positive Crankcase Ventilation PCV Valve Fits For Buick Chevy Cadillac 12663027
Positive Crankcase Ventilation (PCV) Valve for Buick/Chevrolet/Cadillac Models. 4 xPositive Crankcase Ventilation PCV Valve. Function : Regulates crankcase ventilation to reduce emissions and maintain engine pressure balance.