Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on June 12, 1995.
As of Friday, October 18th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Models
NOT LEGAL FOR SALE OR INSTALLATION AFTER 12/31/08

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-184-8
  • Executive Order 184-8 / D184-8
  • ARB # D-184-8
  • Executive Order No: D-184-8
  • C.A.R.B. No. D-184-8
  • Resolution D-184-8
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-184-8 PDF

D-184-8 Document:



                                                                          (Page 1 of 2)

                                      State of California
                                     AIR RESOURCES BOARD

                                    EXECUTIVE ORDER D—184~8
                      Relating to Exemptions Under Section 27156
                                 of the vehicle Code



                           MAREMONT EXHAUST PRODUCTS, INC.
                   "NEW AFTERMARKET THREE—WAY CATALYTIC CONVERTER"

WHEREAS, Vehicle Code Sections 27156 and 38391, and Title 13, California
Code of Regulations (hereafter "CCR") Section 2222(h), authorize the
California Air Resources Board (ARB) and its Executive Officer to exempt new:
aftermarket catalytic converters from the prohibitions of Vehicle Code
Section 27156.                                              *

WHEREAS,     Maremont Exhaust Products,      Inc.    of 2400 Industrial Park,       Loudon,
Tennessee 37774, has applied to the ARB for exemption from the prohibitions
in Vehicle Code Sections 27156 and 38391             for their new aftermarket three—way
catalytic converter         (TWC)   for the following application:

Converter Type       Use      Part Number            Max.   Eng.   Size   Max.   Test Wt.

TWC + OC      .      TWC      28811,28812, 28813     3.8L   (231 CID)     4,500 lbs.

The catalysts can be used to replace non—functioning original equipment
manufacturer      (OEM)    catalysts on vehicles that are no longer under vehicle
manufacturer‘s emission control systems warranty.

WHEREAS, pursuant to the authority vested in the Executive Officer by Health
and Safety Code Section 39515 and in the Chief, Mobile Source Division by
Health and Safety Code Section 39516 and Executive Order G—45—9, the ARB
finds that the above aftermarket catalytic converters comply with the
California Vehicle Code Section 27156 and Title 13, California Code of
Regulations, Section 2222(h).  Emission performance of the catalytic
converter was based on durability mileage accumulation of 25,000 miles using
the AMA durability driving schedule (Reference Appendix IV, Title 40, part
86,    Code of Federal Regulations       (June 28,    1977)).

IT IS HEREBY RESOLVED that the above catalytic converter is exempt from the
prohibitions in Vehicle Code Section 27156 for installation on the approved
application vehicles subject to the following conditions:

      1.   No changes are permitted to the converters as described in the
           application for exemption.  Any changes to the converter or any of
           its components, and other factors addressed in this order must be
           evaluated and approved by the ARB prior to marketing in California.

      2.    Marketing of the converter using identifications other than those
           shown in the exemption application, and in this Executive Order, or
           marketing of the converter for application other than the ones listed
           in the submitted application catalog shall be prohibited unless prior
           approval is obtained from the ARB. Exemption of this products shall
           not be construed as an exemption to sell, offer for sale, or
           advertise any components of the converter as individual devices.


MAREMONT EXHAUST PRODUCTS, INcC.                             EXBCUTIVE ORDER D—184—8
"NEW AFTERMARKET TwC"                                        (Page 2 of 2)


   3.   Any oral or written references to this Executive Order or its content
        by Maremont Exhaust Products, Inc., its principals, agents,
        employees, distributors, dealers, or other representatives must
        include the disclaimer that the Executive—Order or the exemption it
        provides is not an endorsement or approval of any emissions reduction
        claims for the catalytic converter and is only a finding that the
        converter are exempt from the prohibitions of Vehicle Code Section
        27156.

   4.   Upon   installation,   the   catalytic   converter must   carry   a
        manufacturer‘s warranty for 25,000 miles on the substrates and 50 000
        miles or five years on the shell.

Violation of any of the above conditions shall be grounds for revocation of
this order.  The order may be revoked only after ten day written notice of
intention to revoke it, during which period the holder of the 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 order may not be revoked—until a determination is made,
after the hearing, that grounds for revocation exist.

Executed at El Monte,    California,    this     ééé   day     June 1995.




                                               Assigtant Division Chief
                                               Mobile Source Division


f.   .                            ‘ State of California
                                   AIR RESOURCES BOARD




         EVALUATION OF MAREMONT EXHAUST PRODUCTS, INC. NEW AFPTERMARKET THREE—WAY
         CATALYTIC CONVERTER FOR EXEMPTION FROM THE PROHIBITIONS IN VEHICLE CODE
               sECTION 27156, AND TITLE 13, CALIFORNIA CODE OF REGCULATIONS,
                                     .SECTION 2222(h)




                                        June 1995


  EVALUATION OF MAREMONT EXHAUST PRODUCTS, INC. NEW AFTERMARKET THREE—WAY
  CATALYTIC CONVERTER POR EXEMPTION FROM THE PROHIBITIONS IN VEHICLE CODE
         SECTION 27156, AND TITLE 13, CALIFORNIA CODE REGULATIONS,
                       —       SECTION 2222(h)




                                      by
                           Mobile Source Division

                            9528 Telstar Avenue
                          El Monte, CA  91731—2990




(This report has been reviewed by the staff of the California Air Resources
Board and approved for publication.   Approval does not signify that the
contents necessarily reflect the views and policies of the Air Resources
Board, nor does mention of trade names or commercial products constitute
endorsement or recommendation for use.)


                                       SUMMARY




          Maremont Exhaust Products,    Inc.   (Maremont) of 2400 Industrial Park

Boulevard, Loudon, Tennessee 37774, has applied»for an exemption of their

new aftermarket three—way catalytic converter (TWC)       from the prohibitions in

Vehicle Code Sections 27156 and 38391 in accordance with California

regulations on new aftefmarket cétalytic converters.        The new catalyst was

aged using two mileage accumulation vehicles of 5.0L and 4,500 lbs.        test

weight.    The new converter was designed as a three—way plus oxidation type,

and carry—over tests were conducted using a 1994 Pontiac Bonneville with

engine displacement/test weight limits of 3;8L/4,500 lbs for TWC

application.

          Emissions data submitted by the applicant show that the catalytic

converter meets the requirements of Vehicle Code Section 27156 and Title 13,

California Code of Regulations,   Section 2222(h)     for the stated application.

Based on the above,   the staff recommends that the exemption be granted as

requested and that Executive Order D—184—8 be issued.
                                         e


                                conrEnts
                                           Number
SUMMARY                                       i
CONTENTS                                     i1

I.         ;NTRODUCTION

II.        CoNCLUSION

III.       RECOMMENDATION

Iv.        DEVICE DESCRIPTION

v.        DEVICE EVALUATION




                                 11


     EVALUATION OF MAREMONT EXHAUST PRODUCTS, INC. NEW AFTERMARKET THREE—WAY
     CATALYTIC CONVERTER FOR EXEMPTION FROM THE PROHIBITIONS IN VEHICLE CODE
           SECTION 27156, AND TITLE 13, CALIFORNIA CODE OF REGULATIONS
                                 SECTION 2222(h)




I.          INTRODUCTION

          Maremont Exhaust Products,      Inc.    (Maremont)   of 2400 Industrial Park

Boulevard, Loudon, Tennessee 37774, has applied for an exemption from the

prohibitions in Vehicle Code Sections 27156 and 38391 for their hew

aftermarket three—way catalytic converter (TWC)           in accordance with

California regulations on new aftermarket catalytic converters.              The new

aftermarket TWC is intended for use on light—duty vehicles as shown below:


                                         Max. Eng.     Max. Veh.
Part Numbers                             Size          We .
28811,28812, 28813                       3. 81.        4,500 lbs.



The catalyst was designed as a three—way plus oxidation catalytic converter

(TWC + OC)    type;   however,   when tested for TWC + OC application using a

vehicle with 5.0L/4,500      lbs.   parameters,    it did not meet California‘s

conversion efficiency requirements.

I1.       CoONCLUSION

          The applicant has submitted all the required information,          and based

on the submitted exhaust emissions test data,           and ARB‘s confirmatory tests

results, the staff concludes that thé catalytic converter meets the criteria

set forth in Vehicle Code Section 27156 and Title 13,            California Code of

Regulations, Section 2222(h)        for the stated applications.

III.      RECOMMENDATION


          Staff recommends that the exemption be granted as requested and that

Executive Order No.     D—184j8 be issued,       permitting the advertisement,    sale   |

and installation of the new aftermarket catalytic converter on applicable

vehicles.


IV,.       DEVICE DESCRIPTION

           Maremont‘s new aftermarket TWC + OC contains two substrates.        The

front reducing substrate is coated with palladium and rhodium in the ratio

of 5:1, the rear oxidizing substrate is coated with palladium only.            Air

tube is not required between the substrates for the TWC application.            Each

substrate measures 3.15 inches along the minor axis, 4.75 inches along the

major axis,    2.12   inches long,    and has a volume of 27.0 cubic inches.    Front

and rear metal loading is in the ratio of 1:2.          The substrates are enclosed

in a stainless steel shell.          The substrates are wrapped with compressed

intumescent mat to prevent vibration and exhaust gases from by—passing the

catalyst.     A heat shield of aluminized steel is welded to the converter

shell to protect the vehicle underbody from heat.           The catalytic converter

may be sold as a unit with installation instructions and kits as shown in

Maremont‘s application catalog.          It is also sold with a warranty for 25,000

miles on the substrates and five years or 50,000 miles on the container or

shell.

v.         DEVICB EVALUATION

           Maremofit submitted data from testing conducted by Environmental

TestingFCorporation (ETC), Orange, California.         The two test converters were

aged using vehicles powered by a 5.0L engine.         The test vehicles have

equivalent test weight (ETW) of 4,500 lbs. Emissions tests were conducted on

the following vehicle:



Application      Emission Test Vehicle        Engine Size     ETW
TWC              1994 Bonneville              3.8L           4,500 lbs.

The emission test vehicle was ballasted in order to obtain the ETW of 4,500

lbs.     Upon conclusion of testing at ETC, the Air Resources Board (ARB)


conducted confirmatory tests with the two aged catalysts at Haagen—Smit

Laboratory,    El Monte,   California,    for the TWC application.             The retest at

the ARB was observed by a representative of Maremont.                     Results from the

retests were averaged with the first test results from ETC and ARB to obtain

the final conversion efficiencies.          The test results and conversion

efficiencies    for the converter are shown below:



                               ETC,   Orange,        California

                                            TWC
               Simulator    Cat.#92—A       Cat.#92—B             Avg Eff.
HC   (g/mi)     1.905        0.263           0.248                86.6%
cCO (g/mi)     12.417        2.962              2.851             76.6%
NOx(g/mi)       3.132        1.106              1.103             64.8%

                           Haagen—Smit Laboratory,          El Monte

                                          TWG    +   0C
               Simulator   Cat.#92—A        Cat.92—B              Ava. Bff.
HC (g/mi)       2.081        0.277          o.265                 87.0%
co (g/mi)y     26.457        3.079          2.929                 88.6%
Nox (g/mi)      3.098        0.901          0.770                 73.0%

                  Average Conversion Efficiencies for All Tests

       Independent Laboratory            Haagen—Smit Laboratory            (ARB)

HC:     (86.6 + 87.0)/2 = 86.8%          (87.0 + 82.4)/2 = 84.7%
Cor    (76.6 + 77.0)/2 = 76.8%           (B6.6 + 65.4)/2 = 76.0%
NOx:   (64.8 .+ 64.8)/2 = 64.8%          (73.0 + 78.1)/2 = 75.5%


The exemption of the new Maremont‘s catalytic converter for TWC application

is based on the combined test results meeting the required minimum

conversion efficiencies.



Document Created: 2005-09-01 12:40:59
Document Modified: 2005-09-01 12:40:59

Previous E.O. D-184-7 | Previous E.O. D-183 | Next E.O. D-184-9 | Next E.O. D-185