Hi Quackers and welcome.
I wonder if they just "cleaned" the original rather than fit a new one?
The following link gives a good idea of what means what in the diesel world: http://www.dieselbob.co.uk/tips.shtml
I wonder if they just "cleaned" the original rather than fit a new one?
The following link gives a good idea of what means what in the diesel world: http://www.dieselbob.co.uk/tips.shtml