Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 7, 1991.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
201GM, Ford, AMC Chrysler vehicles with "screw-in" type fuel filler caps and Chrysler vehicles with "twist-on" type fuel filler caps. All other foreign and domestic vehicles with pipe diameter of 1.80 to 1.95 inches.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-223
  • Executive Order 223 / D223
  • ARB # D-223
  • Executive Order No: D-223
  • C.A.R.B. No. D-223
  • Resolution D-223
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-223 PDF

D-223 Document:

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