Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 23, 1999.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
3501141994-96 5.7L Roadmaster, Fleetwood, Brougham, Limo., Caprice, Impalla, 1994-96 4.3L Caprice, Impalla, 1996/97 4.3L Blazer, Jimmy , S10, S1500, Sonoma, and 1996 Brazadosame as above

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-471
  • Executive Order 471 / D471
  • ARB # D-471
  • Executive Order No: D-471
  • C.A.R.B. No. D-471
  • Resolution D-471
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-471 PDF

D-471 Document:

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