The brand of the product. eBay searches against the names that are publicly available in eBay's catalogs. This means you can specify the well-known brand name that an average user would recognize. Specify this in combination with MPN.
See the Field Index to learn which calls use Brand.
The manufacturer part number of the product. Use the value specified by the manufacturer. (eBay removes special characters and spaces to normalize the values in order to find a match.)
