Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 22, 2002.
As of Wednesday, February 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1996-2002 model-year 4-stroke diesel and diesel/natural gas bi-fuel engines rated less than 600 horsepower used in off-road equipmentThe system includes a urea injection system, an SCR catalyst, and control sensors.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-547U-1
  • Executive Order 547U-1 / D547U-1
  • ARB # D-547U-1
  • Executive Order No: D-547U-1
  • C.A.R.B. No. D-547U-1
  • Resolution D-547U-1
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-547U-1 PDF

D-547U-1 Document:

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