Browse Ford Mustang PCV Valve. Replace Ford Mustang Crankcase Ventilation Valve & Ford Mustang PCV Engine Breather Valve. Order Ford Mustang In Line PCV Valve. Proper maintenance of your Ford Mustang's PCV (Positive Crankcase Ventilation) valve is crucial for ensuring optimal engine performance and longevity. Regularly inspecting the valve for signs of contamination or blockage can prevent engine issues. Indications that you may need a replacement include a rough idle, oil leaks, or a decrease in fuel efficiency. When choosing a replacement, opt for valves made from high-grade materials to withstand engine heat and pressure, ensuring durability and reliability. Installation is straightforward, but always align with your Mustang model's specifications for the perfect fit, and consider investing in valves with enhanced filtering capabilities to extend the lifespan of your engine components. Shop with us for a premium selection of PCV valves tailored to your Mustang's needs, and drive with confidence.