Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 4, 2001.
As of Sunday, April 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
0502001 and older model-year heavy-duty diesel vehiclesbreather tube diameter 0.5 inch

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-518
  • Executive Order 518 / D518
  • ARB # D-518
  • Executive Order No: D-518
  • C.A.R.B. No. D-518
  • Resolution D-518
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-518 PDF

D-518 Document:

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