Approval Details

Valid E.O.


This Executive Order approved the specified parts on on November 17, 1983.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
X-11984 and older vehicles, EXCEPT: (1) Vehicles with closed-loop carburetion (2) Fuel injected vehicles (3) Vehicles with unconventional engines (4) Turbocharged vehicles

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-143
  • Executive Order 143 / D143
  • ARB # D-143
  • Executive Order No: D-143
  • C.A.R.B. No. D-143
  • Resolution D-143
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-143 PDF

D-143 Document:

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