Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 27, 2004.
As of Thursday, July 25th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
1510, 1520, 1530, 1540, 1550, 152005 and older General Motors vehicles equipped with a 4.8, 5.3, 5.7, or 6.0L small block dedicated gasoline V8 engine, excluding the following engine test groups certified to Low Emission Vehicle II (LEV II) emission standards and Super Ultra Low Emission Vehicle (SULEV) emission standards: 2004 model year, 4GMXT06.0187, 4GMXA06.0189; 2005 model year, 5GMXA6.0189, and 5GMXT06.0187.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-250-4
  • Executive Order 250-4 / D250-4
  • ARB # D-250-4
  • Executive Order No: D-250-4
  • C.A.R.B. No. D-250-4
  • Resolution D-250-4
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-250-4 PDF

D-250-4 Document:

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