FISPA used several sizes of Glass bowls over the years. This seal is for the most common & is used on the FB43 unit, a nominal 2.5mm thick and 54mm o.d.Suitable for E10 (bio-ethanol) fuels. AlfaStop has a policy of supplying all rubber type fuel parts in materials suitable for E10 (bio-ethanol) fuels whenever possible.
 
Part Name: Fispa Fb43 Fuel Filter Regulator Bowl Seal, E10 Compliant
AlfaStop Product Code: 1FU119
Original Alfa Romeo Part No: 1365.84.801/1
Model: Guilia 101 Series, Giulietta 750 & 101
Quantity Per Car: 1