If the listing is current and indexed, you can search by item number by entering the number directly into the search bar. Just paste your own item number of those digits at the end of the page address.

How to find items you bought more than 60 days ago. You'll see items you bought in the last 60 days when you go to your purchase history. To see older items you've bought, you can change the date range displayed. Go to See orders from at the top of your purchase history and choose the year from the dropdown.

Track your order You can also check your order's delivery status in your Purchase history - opens in new window or tab. If the seller is using a tracked service, you'll see the item's tracking number as a link next to the item.

If you mean the eBay item number, yes you can. Click the advanced word just right of the search button. You will then have to search sold/completed items to find it.