Approval Details

Valid E.O.


This Executive Order approved the specified parts on on February 21, 1989.
As of Monday, July 22nd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1983-1987 model-year Ford Motor Company heavy-duty vehicles powered by a 6.9L Navistar International heavy-duty diesel engine and 1988-1989 model-year Ford Motor Company vehicles powered by a 7.3L Navistar International heavy-duty diesel engine.Modifications to the OEM emission-related parts due to the installation of the turbocharger kit include replacement of the OEM exhaust system with a 3 1/2" diameter exhaust system.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-175-2
  • Executive Order 175-2 / D175-2
  • ARB # D-175-2
  • Executive Order No: D-175-2
  • C.A.R.B. No. D-175-2
  • Resolution D-175-2
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-175-2 PDF

D-175-2 Document:

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