Log into Amazon seller central account.
2. Click on "Get Support" near the bottom of the page
3. In the panel that opens on the right, click "Contact Us" at the bottom.
4. On the Contact us page, expand "Products and Inventory"
5. Click on "Product page issues"
6. Click the bubble for "Merge duplicate or split product pages"
7. On that page, you can choose either "Merge duplicate" or "Split" depending on what you are requesting. Fill in the info they request below and send.