If you hear GRINDING coming from your IWE front hubs on your F150 Expedition or Navigator its time to replace this valve.
The OEM Makes TWO DIFFERENT COLOR Valves. This BLUE CAP has the SAME Size Ports on ALL THREE Outlets. The (D7OZ) Valve has a BLACK Cap and has a DIFFERENT Size LARGER Port on One Side.
Replacement Vacuum Control Valve for the Automatic Four Wheel Drive Hubs. Fits F150 from Years 2010 2011 2012 2013 2014, And Expedition and Navigator from 2010 2011 2012 2013 2014,2015 2016 2017 all Models with Automatic 4WD
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