Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 23, 2011.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1994-2006 diesel engines with displacements from 5 to 15 liters, certified to no greater than 5.0 g/bhp-hr oxides of nitrogen, 0.10 g/bhp-hr particulate matter, and 15.5 g/bhp-hr carbon monoxide emission standardsThe exemption excludes engines originally certified with an after treatment emission control system such as a diesel oxidation catalyst or a diesel particulate filter.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-689
  • Executive Order 689 / D689
  • ARB # D-689
  • Executive Order No: D-689
  • C.A.R.B. No. D-689
  • Resolution D-689
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-689 PDF

D-689 Document:

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