Bearing size in a 65amp alternator off a mk1 golf Post Posted 05 September 2013, 12:59 PM #1340351 (In Topic #164030) Thumper83 Settling In Hi I need to replace the bearings in my mk1 gti alternator it's a 65amp model so I'm after the bearing sizes and if pols able some where to source them from?Many thanksben 0 guests and 0 members have just viewed this: None. Forum home Mk1 Golf Chat