Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 14, 1992.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1992 and older heavy-duty diesel powered vehicles

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-253
  • Executive Order 253 / D253
  • ARB # D-253
  • Executive Order No: D-253
  • C.A.R.B. No. D-253
  • Resolution D-253
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-253 PDF

D-253 Document:

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