A: Only dealers who have opted for a consumer eCommerce site with SimplePart that offers both Parts & Accessories will be the option to see a Parts Catalog. This is the same Parts Catalog your consumer faces, and is not ETKA data you may be used to, and is not integrated with Volkswagen of America, Inc. Parts Cataloging systems. The Parts Catalog data is provided and licensed to SimplePart and its dealer re-sellers by MOTOR Information Systems.