Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 5, 2009.
As of Monday, May 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
21-80142001-2004 8.1 liter Chevrolet 2500HD trucks, Chevrolet 3500HD trucks

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-392-33
  • Executive Order 392-33 / D392-33
  • ARB # D-392-33
  • Executive Order No: D-392-33
  • C.A.R.B. No. D-392-33
  • Resolution D-392-33
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-392-33 PDF

D-392-33 Document:

Current View

Previous E.O. D-392-32 | Previous E.O. D-391 | Next E.O. D-392-34 | Next E.O. D-393