Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 22, 1992.
As of Friday, March 1st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1974 and older model-year Cummins turbocharged heavy-duty diesel engines equipped with a PTG fuel pump

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-263
  • Executive Order 263 / D263
  • ARB # D-263
  • Executive Order No: D-263
  • C.A.R.B. No. D-263
  • Resolution D-263
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-263 PDF

D-263 Document:

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