Approval Details

Valid E.O.


This Executive Order approved the specified parts on on December 27, 2002.
As of Friday, March 1st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1998 to 2003 Isuzu vehicles equipped with either a 3.2 or 3.5L engineThe Supercharger Kit includes a new intake manifold assembly that contains an Eaton supercharger. The supercharger pulley diameter for the 3.2L engine is 55 mm and 53 mm for the 3.5L engine. An add-on crankshaft pulley with a diameter of 120 mm is also included. The throttle body is relocated to the new intake manifold using a supplied adaptor. A new air intake tube that connects the stock air cleaner housing to the throttle body is also supplied. Maximum boost pressure is 5 psi.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-551
  • Executive Order 551 / D551
  • ARB # D-551
  • Executive Order No: D-551
  • C.A.R.B. No. D-551
  • Resolution D-551
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-551 PDF

D-551 Document:

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