The oil took too long to arrive - I ordered it on Monday 19th July and it arrived on Friday 23rd when it was too late for it to be used at the garage that was carrying out other work on the van on the same Friday. In addition the website description calls the oil 'differential oil' when it is in fact 'haldex unit oil'. This is a clutch unit attached to the differential and uses a different oil. When I contacted your live message service for clarification I was given incorrect information that the oil was NOT for the haldex unit, when in fact it is. So I spent some time trying to clarify the situation. GSF service is normally excellent but on this occasion it was not.