Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 15, 2008.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks
A0000, P00001984-2005 model year Caterpillar, Detroit Diesel, Cummins, International and Mack heavy-duty diesel engines from 5.7 liters to 17.0 liters with an open crankcase ventilation systemThe H.A.D. Recirculation System is connected to the engine's blow-by tube to separate the oil from the gases and return the oil to the crankcase. The remaining gas vapor is returned to the air intake system.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-650
  • Executive Order 650 / D650
  • ARB # D-650
  • Executive Order No: D-650
  • C.A.R.B. No. D-650
  • Resolution D-650
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-650 PDF

D-650 Document:

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