Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 22, 2001.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
3800211997 through 2000 3.8L Grand Prix SE/GT/GTP, Buick Regal supercharged and non superchargedSame as above

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-509
  • Executive Order 509 / D509
  • ARB # D-509
  • Executive Order No: D-509
  • C.A.R.B. No. D-509
  • Resolution D-509
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-509 PDF

D-509 Document:

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