Used Items:

Used items are sold “As Is”
They come with no warranty
Used items are tested on the day they are installed to make sure they function properly

New Items:

New items usually come with manufacturer warranties.
Most new shells and lids come with warranties covering manufacturer defects of the paint and structure
Warranties on new shells and covers does not cover neglect of the clear coat and paint or years of wear and tear
To use a warranty for an item the original receipt must be presented, these warranties are not transferrable to others
Many manufacturers will not accept receipts from unauthorized resell stores such as Amazon, eBay and more.