Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 25, 1991.
As of Monday, September 28th, 2020 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
6400 64461991 and older model-year vehicles with up to 16-cylinder spark ignited engine, a 12 volt negative ground electrical system, an internal or external ignition coil and a spark ignition distributor.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-40-4
  • Executive Order 40-4 / D40-4
  • ARB # D-40-4
  • Executive Order No: D-40-4
  • C.A.R.B. No. D-40-4
  • Resolution D-40-4
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-40-4 PDF

D-40-4 Document:

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