Manufacturer Part Number

Manufacturer Part Number

Amazon uses manufacturer part numbers as one of several kinds of unique identifiers, as a means of identifying specific products. Other unique identifiers include UPC, EAN, and GTIN.

The Value of Manufacturer Part Numbers

Buyers use manufacturer part numbers to confirm that the product they purchase is the product they are seeking. The identifiers are also used in Amazon’s internal and external searches, so sellers are encouraged to provide manufacturer part numbers wherever possible for greatest product visibility and discoverability.

Note: Manufacturer part numbers are provided by the products’ manufacturers. If a product does not have a manufacturer part number, the seller should leave that field blank in listing the product on Amazon.

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