Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 20, 1978.
As of Friday, March 1st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
5401974 and older model year vehicles with 6 and 8 cylinder engines with distributors with a concentric breaker plate, EXCEPT: (1) Vehicles originally equipped with transistorized, breakerless, and capacitive discharge ignition system with OE electronic ignition (2) Vehicles with dual point distributors where one of the points is used for emission control (3) 1966-1970 vehicles with NOx retrofit devices

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-70-4
  • Executive Order 70-4 / D70-4
  • ARB # D-70-4
  • Executive Order No: D-70-4
  • C.A.R.B. No. D-70-4
  • Resolution D-70-4
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-70-4 PDF

D-70-4 Document:

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