Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 29, 1996.
As of Tuesday, July 23rd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
TBC10271987 and older GM vehicles with 262 to 400 CID small block V-8 gasoline engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-293-4
  • Executive Order 293-4 / D293-4
  • ARB # D-293-4
  • Executive Order No: D-293-4
  • C.A.R.B. No. D-293-4
  • Resolution D-293-4
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-293-4 PDF

D-293-4 Document:

Current View

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