PQY CCV Crank Case Vent Reroute Crankcase Ventilation Line Change Kit Delete For 07.5-17 Dodge 6.7 Cummins Diesel 2500 3500 4500 5500
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PQY CCV Crank Case Vent Reroute Crankcase Ventilation Line Change Kit Delete For 07.5-17 Dodge 6.7 Cummins Diesel 2500 3500 4500 5500
The CCV system dumps the crankcase gasses into your turbo inlet post air filter which causes an oily buildup on the turbo compressor wheel. If crankcase blow-by is higher than normal these gasses can also coat the inside of the intercooler which lowers its efficiency.
This eliminates the oil buildup on the turbo compressor and maintains intercooler cleanliness. 90° vent hose encourages oil drain back and helps eliminate drips. This kit does retain the stock CCV filter.
The Open Breather Kit converts the closed system back to an open breather.
With the new 6.7L emissions systems they've switched to a CCV or Closed Crankcase Ventilation system.
For years Cummins has vented crankcase gasses to the atmosphere.