Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 29, 2002.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
SDUp to 3.5L 2002 and older model-year gasoline and diesel vehiclesNone

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-543
  • Executive Order 543 / D543
  • ARB # D-543
  • Executive Order No: D-543
  • C.A.R.B. No. D-543
  • Resolution D-543
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-543 PDF

D-543 Document:

Current View

| Previous E.O. D-542 | Next E.O. D-543-1 | Next E.O. D-544