Replacing the bearings on a Fiat Cinquecento Sporting Alternator
May 9, 2026
The alternator on the little Fiat was making a horrendous noise, so i decided to remove it and take a look and as i suspected, both of the bearings sounded awful. The alternator is part number 63320034 and is a 55A Magneti Marelli one. I did do some searching but could only find aftermarket makes or second-hand ones so i decided to strip it and get the bearing numbers. If you are replacing the bearings on a Fiat Cinquecento Sporting Alternator 63320034 these are the bearings you will need. The font case bearing is: 6203ZZ NSK Shielded Deep Groove Ball…
Continue reading