Dealer selling B stock doesn't tell customers

And Sudz is? Really?

B stock can sometimes be worse than used. It can also mean that product may'd came out of the bad batch and than re-manufactured or repaired.

most of b-stock goes back through the manufacturer and they have a control either over the serial numbers or labels they mark either on the chassis or the circuit board. manufacturer also would know of any third party that provides the remanufacturing services as well so this unknown is easily solved with a couple of phone calls to manufacturer's customer service.
if you somehow find out any evidence that the item is b-stock, but sold as new, you can bash dealer.

Lowrider,
the nature of English is to have many words per one meaning.