Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 24, 2003.
As of Monday, March 20th, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

2003 and earlier model year on-road diesel engine vehiclesThe Fuel Preporator includes a fuel transfer pump and filtering system. Excess fuel is returned to the vehicle fuel tank.A warning light is used to indicate when the fuel filter needs service.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-561-1
  • Executive Order 561-1 / D561-1
  • ARB # D-561-1
  • Executive Order No: D-561-1
  • C.A.R.B. No. D-561-1
  • Resolution D-561-1
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-561-1 PDF

D-561-1 Document:

Current View

Previous E.O. D-561 | Previous E.O. D-560 | Next E.O. D-561-2 | Next E.O. D-562