Details

• Brand:

  

  

• SKU:

  EV-281

• Other Names:

  Valve Assembly

• Description:

  This is a genuine Motorcraft PCV valve, the positive crankcase ventilation valve that draws blow-by gases out of the crankcase and returns them to the intake for re-burning, regulating crankcase pressure and reducing emissions and oil sludge. It operates as a calibrated one-way valve controlled by intake manifold vacuum, matched to the engine's ventilation and idle calibration. This valve fits Ford truck and van V8 applications including F-150 2011-2020 and F-250 Super Duty 2011-2016, and it cross-references the earlier service number 7L3Z-6A666-A used on E-Series, Crown Victoria, and Lincoln applications from 2007-2014, so confirm your engine and connection before ordering. Drivers replace it when they encounter a rough or unstable idle, a whistling vacuum noise, rising oil consumption, oil leaks forced past gaskets by crankcase pressure, oil accumulating in the intake, or a check-engine light for crankcase ventilation flow. A stuck-open valve leans the idle and mimics a vacuum leak; a stuck-closed valve builds pressure that pushes oil past the crankshaft and cam seals. Because it is the Motorcraft original equipment valve, it delivers the correct calibrated flow rate that protects seals and idle quality, unlike a generic substitute that may meter incorrectly. It is cataloged by Ford under base number 6A666 in the Motorcraft PCV valve family. Installation is simple: remove the old valve from its grommet, inspect and clean the grommet and hose, and seat the new valve fully so the crankcase system seals properly. This factory valve restores proper crankcase ventilation and a stable idle to the truck.

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