Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 25, 1993.
As of Monday, May 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
HP1151984-1987 model-year Buick Grand National, GNX, and Turbo Regal
INJ-7B1986-1987 model-year Buick Grand National, Regal Turbo, GNX 1989 Pontiac Turbo Trans Am passenger cars
RP360A1986-1987 model year Buick Grand National, Regal Turbo and GNX

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-304-1
  • Executive Order 304-1 / D304-1
  • ARB # D-304-1
  • Executive Order No: D-304-1
  • C.A.R.B. No. D-304-1
  • Resolution D-304-1
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-304-1 PDF

D-304-1 Document:

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