FIt For Ford EXPLORER FIt For MERCURY Car Exhaust Gas Recirculation Valve 4L2E9Y456H3A 4L2Z9D475A 4L2Z9D475HA EGR Valve Improves engine idling stability, effectively reducing vibration and weak acceleration. EGR valve: Improves engine efficiency and reduces emissions. Proper exhaust recirculation cuts down excess engine carbon buildup, making all your engine parts last way longer. Made with tough wear-resistant high-strength materials, this EGR valve runs totally steady even in super harsh high-heat and high-pressure conditions., Manufacturer: QTYAHDC