Walker Manufacturing

CARB Executive Order · Catalytic Converter

EO D-182-71

Walker Manufacturing · Series 83600 and 83800 Three-Way Catalytic Converters

Executed
April 2018
Rows shown
—
PDF pages
20
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We show basic details only for this EO. Catalytic converter EOs are matched by engine test group; use CARB's catalytic converter lookup or the PDF. Check the vehicles and part numbers in the original PDF.

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Source: CARB Executive Order D-182-71 (PDF), retrieved November 11, 2026. EOs can be amended, superseded or revoked; CARB's copy is the authority. Independent reference, not affiliated with CARB.