Approval Details

Valid E.O.


This Executive Order approved the specified parts on on February 2, 1995.
As of Friday, May 24th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
114102, 114112 114122, 1341121994 and older GM V8 gasoline truck applications, EXCEPT the GM 4.6L engine : applicable to 267 CID (4.4L) to 454 CID (7.4L) engines with flat tappet hydraulic camshafts.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-225-51
  • Executive Order 225-51 / D225-51
  • ARB # D-225-51
  • Executive Order No: D-225-51
  • C.A.R.B. No. D-225-51
  • Resolution D-225-51
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-225-51 PDF

D-225-51 Document:

Current View

Previous E.O. D-225-50 | Previous E.O. D-224 | Next E.O. D-225-52 | Next E.O. D-226