Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 17, 2010.
As of Wednesday, February 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
51-80882, 54-80882, 75-80882, 752007 GMC Sierra HD6.6L V8 Diesel

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-550-4
  • Executive Order 550-4 / D550-4
  • ARB # D-550-4
  • Executive Order No: D-550-4
  • C.A.R.B. No. D-550-4
  • Resolution D-550-4
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-550-4 PDF

D-550-4 Document:

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