Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 16, 2006.
As of Sunday, May 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1996-2006 model-year off-road compression ignition enginesThe Phantom Switch 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-603U-1
  • Executive Order 603U-1 / D603U-1
  • ARB # D-603U-1
  • Executive Order No: D-603U-1
  • C.A.R.B. No. D-603U-1
  • Resolution D-603U-1
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-603U-1 PDF

D-603U-1 Document:

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