Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 18, 2006.
As of Monday, July 22nd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

2006 and older model-year diesel engines used in on-road heavy-duty vehiclesThe AirCor Diesel Diesel Particulate Filter is an actively regenerated filter that requires regeneration after approximately 90 hours of operation or when the backpressure monitor indicates excessive pressure.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-603-2
  • Executive Order 603-2 / D603-2
  • ARB # D-603-2
  • Executive Order No: D-603-2
  • C.A.R.B. No. D-603-2
  • Resolution D-603-2
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-603-2 PDF

D-603-2 Document:

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