Alternator Brush Set
The alternator brushes wear down over time and that can be all that's wrong with you charging system if you're lucky. As long as the brush holder isn't worn out, it's possible just replace the brushes. To do so, soldering is required.
It's also good practice to replace the brushes when replacing the alternator rotor.
Equivalent to 12 31 1 244 480 Complete set of two brushes.