Seat with rail
/6 models, rail, cross ribbed cover
Please have a look at article 5255600.
For e.g. 75/6 second series (first series has longitudinal ribbed cover)
Compare: 52531233960 / 52-53-1-233-960
Seat cover GS black-yellow, low
Compare: 52532322647 E...
Seat cover GS white-blue, high
Compare: 52532307339...