Additional information for Alternator ALFA ROMEO. Alternator OEM Reference: 4808502 Article Reference: FT74108 Voltage: 14 V Alternator charging current: 55 A Number of grooves: 1 Pulley diameter: 86 mm Type of onboard network for vehicles with a 12V onboard network. Compatible references with Alternator FIAT. FIAT 4808502 FIAT 4808507 IVECO 4808502 IVECO 4808507 IVECO 4808509 IVECO 98486484. Vehicles Compatible with Alternator IVECO.