Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 9, 2003.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1994-2002 Cummins 5.9 to 15.0 liter 4-stroke, turbocharged, electronic fuel injection heavy-duty on-road diesel engines. The engine application is limited to engines originally certified to oxides of nitrogen emission standard of 4.0 or 5.0 g/bhp-hr and not otherwise equipped with an aftertreatment emission control system such as a catalytic converter or a diesel particulate filter.This Executive Order 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 either standard California diesel with a maximum sulfur content of 500 ppmw or ultra low sulfur diesel with a maximum sulfur content of 15 ppmw.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-535-5
  • Executive Order 535-5 / D535-5
  • ARB # D-535-5
  • Executive Order No: D-535-5
  • C.A.R.B. No. D-535-5
  • Resolution D-535-5
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-535-5 PDF

D-535-5 Document:

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