Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on November 30, -0001.
As of Saturday, May 3rd, 2025 this Executive Order has not been overturned or superceeded.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-182-25
  • Executive Order 182-25 / D182-25
  • ARB # D-182-25
  • Executive Order No: D-182-25
  • C.A.R.B. No. D-182-25
  • Resolution D-182-25
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-182-25 PDF

D-182-25 Document:

CARB_D-182-25

(Page 1 of 2) Li State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—182—25 Relating to Exemptions Under Section 27156 of the Vehicle Code WALKER MANUFACTURING COMPANY "THREE—WAY —PLUS OXIDATION CATALYTIC CONVERTER SERIES 97000" WHEREAS, Vehicle Code Sections 27156 and 38391, and Title 13, California Code of Regulations (hereafter "CCR")} Section 2222 (h), authoriszse the California Air Resources Board (ARB)} and its Executive Officer to exempt new aftermarket catalytic converter from the prohibitions of Vehicle Code Section 27156. wWHEREAS, Walker Manufacturing Company (Walker) of 2701 N. Dettman Road, Jackson, Michigan 49201, has applied to the ARB for exemption from the prohibitions in Vehicle Code Sections 27156 and 38391 to market their aftermarket series 97000 three—way plus oxidation catalytic converter (TWC + OC) for the following application, except vehicles equipped with an OBD II system: Type Use Series No. Max. Eng. Size Max. Test Veh. Wt. TWC + OC OC 97000 5.9L (360 CID) 6,000 1lbs. TWC + OC TWC 97000 5.9L (360 CID) 6,000 lbs. TWC + OC TWC + OC 97000 5.9L (360 CID) 6,000 1lbs. WHEREAS, pursuant to the authority vested in the Executive Officer by Health and Safety Code Section 39515 and in the Chief, Mobile Source Operations Division by Health and Safety Code Section 39516 and Executive Order G—45—9, the ARB finds that the above aftermarket catalytic converter complies 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 bench—aging of the catalyst using AlliedSignal Environmental Catalyst (ASEC) bench—aging cycle ARL—102 (RAT B) for 53 hours, accepted by the ARB, for this application, to be equivalent to 25,000 miles durability mileage accumulation using AMA driving cycle (Reference Appendix IV, Title 40, part 86, Code of Federal Reqgulations (June 28, 1977)). Whereas, emissions tests conducted at Automotive Testing and Development services (ATDS), Ontario, showed the following conversion efficiencies which meet the minimum requirements for new aftermarket catalytic converters: Catalyst Application Type Pollution Component TWC + _OC TWC 0C HC: Min. Requirement 70% 70% 70% Walker‘s series 97000 84 .8 83.9 83 .2 CO: Min. Requirement 70 70 70 Walker‘s series 97000 85 .6 73.3 93.3 NOx: Min. Requirement 50 60 — Walker‘s series 97000 56.6 78 .0 — 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 catalytic converter as described in the application for exemption. Any changes to the catalytic 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.

WALKER MANUFACTURING COMPANY EXECUTIVE ORDER D—182—25 "TWC + OC SERIES 97000" (Page 2 of 2) 2. Marketing of the catalytic converter using identifications other than those shown in the exemption application, and in this Executive Order, or marketing of the catalytic converter for application other than the ones shown in this Executive Order shall be prohibited unless prior approval is obtained from the ARB. Exemption of this product shall not be construed as an exemption to sell, offer for sale, or advertise any components of the catalytic converter as individual devices. 3. Any oral or written references to this Executive Order or its ' content by Walker Manufacturing Company, 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 emission reduction claims for the catalytic converter and is only a finding that the catalytic converter is exempt from the prohibitions of Vehicle Code Section 27156. 4. Walker Manufacturing Company installation instructions for the new catalytic converter must conform to requirements in Paragraphs I and IX of California Evaluation Procedures for New Aftermarket Non—Original Equipment Catalytic Converters. 5. 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 and end pipes. 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 contést 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. tjk Executed at El Monte, California, this of April 1998. R.B. Summerfield, Chief Mobile Source Operations Division

EVALUATION OF WALKER MANUFACTURING COMPANY‘S SERIES 97000 NEW AFTERMARKET THREE—WAY PLUS OXIDATION CATALYTIC CONVERTER FOR EXEMPTION FROM THE PROHIBITIONS IN VEHICLE CODE SECTION 27156, AND TITLE 13, CALIFORNIA CODE OF REGULATIONS SECTION 2222(h) April 1998 by Mobile Source Operations Division Aftermarket Parts Section 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.) *n

SUMMARY Walker Manufacturing Company (Walker) of 2701 N. Dettman Road, Jackson, Michigan 49201, has applied for an exemption of their new series 97000 aftermarket three—way plus oxidation catalytic converter (TWC + 0OC) from the prohibitions in Vehicle Code Sections 27156, in accordance with California reqgulations on new aftermarket catalytic converters. The two test catalysts were aged using AlliedSignal Environmental Catalyst (ASEC‘s) bench—aging cycle, ARL—102 (RAT B) for 53 hours. Each converter can contains two substrates of ceramic monolith type. The front substrate is coated with rhodium, and the rear substrate is coated with palladium. The new catalytic converter may be installed on TWC + OC, TWC, and OC vehicles powered by an engine of 5.9L or less, and having an equivalent test weight of 6,000 lbs. or less. 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—182—25 be issued.

cOoNTENTS Page Number SUMMARY i coNTENTS i1 INTRODUCTION II. coNCLUSION III. RECOMMENDATION IV. DEVICE DESCRIPTION v. DEVICE EVALUATION i1

EVALUATION OF WALKER MANUFACTURING COMPANY‘S SERIES 97000 NEW AFTERMARKET THREE—WAY PLUS OXIDATION CATALYTIC CONVERTER FOR EXEMPTION FROM THE PROHIBITIONS IN VEHICLE CODE SECTION 27156, AND TITLE 13, CALIFORNIA CODE OF REGULATIONS SECTION 2222(h) I. INTRODUCTION Walker Manufacturing Company (Walker) of 2701 N. Dettman Road, Jackson, Michigan 49201, has applied for an exemption from the prohibitions in Vehicle Code Sections 27156 for their new series 97000 aftermarket three—way plus oxidation catalytic converter (TWC + OC) in accordance with California reqgulations on new aftermarket catalytic converters. The ceramic monolith substrates of the new catalyst were manufactured by AlliedSignal Environmental Catalyst (ASEC). <The new aftermarket catalyst is intended for the following vehicle application: Cconverter Type Converter Use PN/Series Max. Eng. Max. Veh. Size Test Wt. TWC + OC TWC + OC 97000 5 . 9L 6,000 lbs. TWC + oC TWC 97000 _ 5. 9L 6,000 ibs. TWC + OC 0C 97000 5. 9L 6,000 lbs. Walker intends to ma;ket the new TWC + OC as a replacement for catalytic converters on applicable vehicles whose manufacturers‘ warranty has expired and the need for replacement of the original equipment manufacturer (OEM) catalytic converter has been ul established and documented. Excluded from the application are those vehicles equipped with an On—Board Diagnostic System II {OBD—II). II. CONCLUSION The applicant has submitted all the required information, and based on the applicant‘s submitted exhaust emissions test data, the staff concludes that the new aftermarket catalyst meets the criteria set forth in Vehicle Code Section 27156, and Title 13, California Code of Reqgulations, Section 2222(h) for the stated application. III. RECOMMENDATION Staff recommends that the exemption be granted as requested and that Executive Order No. D—182—25 be issued, permitting the advertisement, sale, and installation of the new aftermarket catalyst on applicable vehicles. IV. DEVICE DESCRIPTION Walker‘s new aftermarket TWC + OC is designed to use oval ceramic monolith substrates. The front substrate is coated with rhodium, and the rear substrate is coated with palladium. Each substrate measures 4.75 inches along the major axis, 3.15 inches along the minor axis, and 1.92 inches in length, and has a volume of 24.35

cubic inches. The substrates are contained in outer 409 stainless steel shell with intumescent mat, to prevent vibration and éxhaust by—pass. The shell is sealed by seam weld, and bushings are attached by arc welding. Aluminized soft steel heat shield is spot—welded to the upper and bottom sides of the converter to protect vehicle underbody from excessive heat, and prevent materials on the ground from direct contact with the catalyst shell. The catalyst may be sold as a unit with installation instructions or may be used in customized direct fit exhaust application. 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; and the end pipes. v. DEVICE EVALUATION Walker submitted data from testing conducted by Automotive Testing and Development Services (ATDS), Ontario, California. Thé test catalysts were aged by AlliedSignal Environmental Catalyst using their ARL—102 (RAT B) bench—aging cycle for 53 hours. The test catalysts were shipped directly to ATDS where the emissions tests were conducted for three—way plus oxidation (TWC + OC) application using a 1989 Dodge 350 Van 5.9L. Three—way (TWC) application tests were conducted on a 1995 Dodge Ram 2500 Truck 5.9L, and oxidation catalyst application tests were conducted on a 1979 Ford Pickup Truck 7.6L. All tests were conducted at the equivalent test weight (ETW) of 6,000 lbs. The test vehicles were ballasted in order to achieve the required ETW of 6,000 pounds. The test catalysts were labeled 6926 and 6927. Testing consisted of two cold—start CVS—75 with a simulator ("dummy" catalyst), followed by two cold—start CVS—75 for each of the test catalysts. The test results for the catalyst are shown below: ATDS, Ontario, California + Ssimulator Cat 6926 Cat 6927 Conv. Eff. Average Average Average Average HC (g/mi}) 3.198 0 .491 0.480 84.8% CO (g/mi) 37.272 5.612 5.112 85.6% NOx (g/mi) 2.350 1.084 0.955 56.6% TWC HC (g/mi) 2. 148 0.364 0 .329 83.9% cCO (g/mi) 23.422 6.991 5.509 73.3% NOx (g/mi) 3 .828 0.929 0 .756 78.0% OC HC (g/mi) 8.570 1. 342 1.524 83.2 CO (g/mi) 97.439 6.440 6.569 93.3 The above test results meet the minimum requirements of the California reqgulations on new aftermarket catalytic converters.


Document Created: 2005-09-01 12:40:13
Document Modified: 2005-09-01 12:40:13

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