Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 20, 1995.
As of Monday, May 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
46100A/ 481001955-1980 GM vehicles equipped with Chevrolet 8-cylinder engines.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-170-4
  • Executive Order 170-4 / D170-4
  • ARB # D-170-4
  • Executive Order No: D-170-4
  • C.A.R.B. No. D-170-4
  • Resolution D-170-4
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-170-4 PDF

D-170-4 Document:

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