What is particularly galling is that he's adamant that they are genuine.Definitely the genuine article, straight from the Orient
John
I would have thought that it is as plain as the nose on your face that they're not the real deal. The seller will know it, too. He gave me some cock and bull story about them being made in India so the quality is lower that I'm used to.Just how does the seller know the plugs are genuine?
Go here and compare the image of the genuine plug to yours.
There are motor factors trading via ebay such as Parts2Clear and ACE Parts. Purchase from them and you'll get genuine goods. Parts2Clear for instance, buy filters directly from Mann UK.