Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 16, 1998.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1998 and older vehicles equipped with a PCV systemReplaces the stock PCV valve with a new PCV valve and filtering system

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-464
  • Executive Order 464 / D464
  • ARB # D-464
  • Executive Order No: D-464
  • C.A.R.B. No. D-464
  • Resolution D-464
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-464 PDF

D-464 Document:

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