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The Gates PCV valve for 2011–2013 Buick Regal with the 2.0L four‑cylinder is a replacement crankcase vent valve meant for that application. It vents crankcase gases and helps maintain correct internal pressure; replacing a worn valve restores intended ventilation behavior and helps keep engine breathing consistent across the specified Regal model years.
Gates 11-13 Buick Regal 4-Cyl. 2.0L PCV Valve Crankcase Vent Valves
