Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 22, 1991.
As of Tuesday, October 4th, 2022 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
31040E1974 and older GM vehicles equipped with V8 engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-221-3
  • Executive Order 221-3 / D221-3
  • ARB # D-221-3
  • Executive Order No: D-221-3
  • C.A.R.B. No. D-221-3
  • Resolution D-221-3
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-221-3 PDF

D-221-3 Document:

Current View

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