Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 17, 1991.
As of Wednesday, February 1st, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
GD-11991 and older medium amd heavy duty galsoline and diesel engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-204-2
  • Executive Order 204-2 / D204-2
  • ARB # D-204-2
  • Executive Order No: D-204-2
  • C.A.R.B. No. D-204-2
  • Resolution D-204-2
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-204-2 PDF

D-204-2 Document:

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