Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 10, 1985.
As of Wednesday, February 28th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
32/36 DGEV 33B11968-1974 MGBs with 1.8L "B" engineOEM AC replaced with open-type AC and delay valve added to gulp valve

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-133-4
  • Executive Order 133-4 / D133-4
  • ARB # D-133-4
  • Executive Order No: D-133-4
  • C.A.R.B. No. D-133-4
  • Resolution D-133-4
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-133-4 PDF

D-133-4 Document:

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