Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on January 10, 1996.
As of Saturday, July 20th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Models
1979-1989 model year vehicles equipped with 6V92TA MUI engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-393
  • Executive Order 393 / D393
  • ARB # D-393
  • Executive Order No: D-393
  • C.A.R.B. No. D-393
  • Resolution D-393
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-393 PDF

D-393 Document:



                                                  (Page 1 of 2)


                            State of California
                            AIR RESOURCES BOARD

                           EXECUTIVE ORDER D—393
                 Relating to Exemptions Under Section 27156
                            of the Vehicle Code

                           JOHNSON MATTHEY, INC.
                         CATALYTIC EXHAUST MUFFLER


Pursuant to the authority vested in the Air Resources Board (ARB) by Section
27156 of the Vehicle Code; and

Pursuant to the authority vested in the undersigned by Sections 39515 and
39516 of the Health and Safety Code and Executive Order G—45—9;

IT IS ORDERED AND RESOLVED: That the installation of the Catalytic Exhaust
Muffler (CEM), manufactured by Johnson Matthey, Inc. of 460 East Swedesford
Road, Wayne, Pennsylvania 19087—1880, has been found not to reduce the
effectiveness of the applicable vehicle pollution control system, and
therefore, the CEM converter is exempt from the prohibitions of Section
27156 of the California Vehicle Code for installation on 1979 through 1990
model—year heavy—duty two—stroke diesel—powered engines excluding the 1990
model—year Detroit Diesel Corporation 6L71TA model engines as listed in the
Attachment which is attached hereto and incorporated herein.

This Executive Order is valid provided that installation instructions for
the device will not recommend tuning the vehicle to specifications different
from those submitted by the manufacturer.

Changes made to the design or operating conditions of the device, as exempt
by the ARB, which adversely affect the performance of a vehicle‘s pollution
control system shall invalidate this Executive Order.

Marketing of the device using an identification other than that shown in
this Executive Order or marketing of the device for an application other
than those listed in this Executive Order shall be prohibited unless prior
approval is obtained from the ARB.

This Executive Order does not constitute any opinion as to the effect the
use of the device may have on any warranty either expressed or implied by
the vehicle manufacturer.

THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION,
APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF ANY
CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED
BENEFITS OF JOHNSON MATTHEY, INC.‘S CATALYTIC EXHAUST MUFFLER.

No claim of any kind, such as "Approved by the Air Resources Board", may be
made with respect to the action taken herein in any advertising or other
oral or written communication.

Violation of any of the above conditions shall be grounds for revocation of
this Executive Order. The Executive Order may be revoked only after a ten—
day written notice of intention to revoke the Executive Order, in which


JOHNSON MATTHEY, INC.             |                 EXECUTIVE ORDER D—393
CATALYTIC EXHAUST MUFFLER                           (Page 2 of 2)

period the holder of   the Executive Order may request in writing a hearing to
contest the proposed   revocation. If a hearing is requested, it shall be
held within ten days   of receipt of the request and the Executive Order may
not be revoked until   a determination after the hearing that grounds for
revocation exist.
                                              xh
Executed at El Monte, California, this    [CD day       nuary 1996.




                                         R. B. Sdmmerfield /
                                         Assistant Divisi   Chief
                                         Mobile Source Division


Attachment

Engine MY    Engine Model   {All DDC)   Engine Code    Engine Family

1979—89      GV92TA MUI                 All           All
1986—89      GV92TA DDEC I              All           AlTl
1988 —90     GV92TA DDEC II             All           AlTl
1973 —89     GV7IN                      All           All
1985—86      6V71T                      All           All
1973—84      BV7IN                      All           All
1988 —89     6L7ITA                     All           All
1990—90      6L7ITA DDEC                All           All
1979—88      BV92TA                     All           BV92ZTA
1988         8V92TA—DD                  All           8BV92TA—DDEC II
1989         BV92ZTA                    9E70          KDDO736FW8 9
                                        9A90          KDDO736FW8 9
                                        9G85          KDDOT736FW8 9
1989         8V92TA DDEC                1A            KDDO736FZH 4
1990         BV92TA                     9E70          LDDOT736FAH 9
1990         8V92TA DOEC                1A            LDDO7T36FZH 3



Document Created: 2005-09-01 12:42:26
Document Modified: 2005-09-01 12:42:26

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