Mounted on the cylinder block. A pity that the recent productions uses cross-headed screws instead of the original slotted-head screws....NOT suitable for the earlier 750 series engine with the fuel pump mounted on the front of the cylinder head.
 
Part Name: Fuel Pump, 101 Series, Replacement For Original Mechanical Fispa Pump
AlfaStop Product Code: 1FU120
Original Alfa Romeo Part No: 
Model: Guilia 101 Series, Giulietta 750 & 101
Quantity Per Car: 1