Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 29, 2004.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1988-1990 four-stroke, turbocharged heavy-duty diesel engines originally certified to standards of 0.60 g/bhp-hr particulate matter or less, with horsepower ratings between 150 and 600This exemption applies to Series 6000 formulation DCM catalyst for use with California's standard diesel (500 ppm maximum sulfur content) or ultra low sulfur diesel (15 ppm maximum sulfur content).

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-249-6
  • Executive Order 249-6 / D249-6
  • ARB # D-249-6
  • Executive Order No: D-249-6
  • C.A.R.B. No. D-249-6
  • Resolution D-249-6
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-249-6 PDF

D-249-6 Document:

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