Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 24, 1999.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1988-1993 model-year Detroit Diesel Corporation (DDC) 6V92TA DDEC two-stroke urban bus diesel engines with power ratings of 253 and 277 horsepowerThe ETX-2002 Rebuild Kit includes ceramic coated cylinder head, valves, and pistons, an improved turbocharger, and an oxidation catalytic muffler. The components are ceramic coated solely by the Engelhard Corporation. For 1988-1990 model-year engines, the ETX-2002 Rebuild Kit also includes fuel injectors, engine camshafts, and an ECM upgrade. For all of the applicable engines, DDC's revised certification word codes listed in Attachment A of the E.O. must be used.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-384-4
  • Executive Order 384-4 / D384-4
  • ARB # D-384-4
  • Executive Order No: D-384-4
  • C.A.R.B. No. D-384-4
  • Resolution D-384-4
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-384-4 PDF

D-384-4 Document:

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