Details

• Brand:

  

  

• SKU:

  FB5Z-6A664-A

• Other Names:

  Vent Hose, PCV Hose, Hose Vent, kcv286

• Description:

  Genuine Ford PCV valve hose, part number FB5Z-6A664-A, for the 2016-2019 Ford Explorer with the 3.5L V6 engine, corresponding to Motorcraft crankcase ventilation hose KCV286. This molded hose is part of the positive crankcase ventilation system; it routes blow-by vapors and crankcase pressure from the engine through the PCV circuit back into the intake so they are burned rather than vented, keeping crankcase pressure controlled and reducing sludge and moisture buildup. Because it is a molded plastic and rubber hose living in the heat of the engine bay, it becomes brittle with age and heat cycling and can crack, split, blow off its fitting, or develop a leak at the quick-connect. When it fails the engine draws unmetered air, which commonly triggers a rough or unstable idle, a lean condition, a hissing or whistling vacuum noise, a check-engine light with PCV or lean-related codes, and sometimes oil residue around the leak. Owners searching for this part are usually chasing a vacuum leak or a stored code traced to the crankcase ventilation hose. As a genuine Ford piece it is molded to the exact routing and uses the correct factory connectors so it seats securely without the fitment and sealing problems of universal hoses. Confirm your engine before ordering. Inspect the mating fittings and seat both connectors fully until they click on installation. Backed by Ford's genuine parts warranty.

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