what is MPN?

[cvcco1550-qqdp14]

What does MPN mean? Thank you.

[strange*highways]

It can mean lots of things but in an ebay listing it is most likely Manufacturers Part Number.

[cvcco1550-qqdp14]

Thanks! A vendor is using MPN as the 'Quantity' selector. So I was wondering if there is anything special here. Or how/why this is the case?

Thank you.