Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 30, 2002.
As of Thursday, October 21st, 2021 this Executive Order has not been overturned or superceeded.

Approved Parts

1994-1997 Cummins M11 heavy-duty diesel enginesThe system includes a lean NOx catalyst, secondary fuel injection system, electronic controller, control sensors, and a catalyzed passive diesel particulate filter.This exemption is only valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is greater than 260 degrees Celsius for at least 25 percent of the typical duty cycle and (2) the engine is operated using standard California diesel with a maximum sulfur content of 500 parts per million by weight. This exemption does not apply to any engines operated using ultra-low sulfur diesel with a maximum sulfur content of 15 parts per million by weight.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-535-2
  • Executive Order 535-2 / D535-2
  • ARB # D-535-2
  • Executive Order No: D-535-2
  • C.A.R.B. No. D-535-2
  • Resolution D-535-2
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-535-2 PDF

D-535-2 Document:

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