Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 29, 1993.
As of Thursday, September 28th, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
HP1371986 -1987 GM vehicles with a 231 CID V6 turbocharged engine

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-304-2
  • Executive Order 304-2 / D304-2
  • ARB # D-304-2
  • Executive Order No: D-304-2
  • C.A.R.B. No. D-304-2
  • Resolution D-304-2
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-304-2 PDF

D-304-2 Document:

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