Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 13, 1986.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
28381975-1982 Chevrolet/GMC trucks and Blazer/ Jimmy's vehicles with an engine of displacement between 305 and 400 CID, EXCEPT catalyst equipped vehicles using feedback controls

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-164
  • Executive Order 164 / D164
  • ARB # D-164
  • Executive Order No: D-164
  • C.A.R.B. No. D-164
  • Resolution D-164
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-164 PDF

D-164 Document:

Current View

| Previous E.O. D-163 | Next E.O. D-164-1 | Next E.O. D-165