Alternator Bearing 6203-2RSC3 - 40x17x12mm Ball Bearing For Bosch, Lucas, Valeo - HC-CarGo

Is your alternator making that horrible grinding noise?

It's probably this bearing.

This is a 6203-2RSC3 ball bearing, and it's a common replacement for a ton of alternators from Bosch, Lucas, and Valeo.

The dimensions are 40mm outside diameter, 17mm inside diameter, and it's 12mm thick.

It's made by HC-CarGo and it's a durable, direct replacement.

The manufacturer part number is 333 112.

But seriously, look at that huge list of reference numbers—if your alternator is whining, chances are this is the bearing you need.

It comes with a 6-month seller warranty.

It's a small part that makes a huge difference.

Instead of buying a whole new alternator, just press out the old bearing and put this one in.

Easy fix, saves you money.