Name That Part revealed – Alternator Brush

This week’s mystery part was a “Alternator Brush. ”

It’s hard to believe that March is almost a thing of the past, isn’t it? My, how time flies when you’re having fun playing Name That Part!

For more information about this Alternator Brush, visit Advance Auto Parts.

We’ll see you on Facebook next Monday for another round of Name That Part!

 

Alternator Brush

Alternator Brush

 

Show what you know by playing Name That Part at the Advance Auto Parts Facebook page every Monday. How it works: we post a shot of an auto part, and you submit your best guess for a chance to win the admiration of DIY’ers across the globe.

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Editor’s note: let Advance Auto Parts be your DIY resource. There’s always a deal going on, and you can’t beat our service and selection. Buy online, pick up in store!

Comments

  1. scottutley says:

    can also mistaken for stater brushes also

  2. SOMEONE NEEDS TO CHECK OUT THE AND CLAIRIFY THE TRUE NAME OF THE PART SHOWN.. YOU STATED IT IS A ALTERNATOR BRUSH. GENERATORS USE BRUSHES. ALTERNATORS USE DIOADS.

    • Thanks Floyd – we did double check and here’s what our pros said. Hope this helps clarify things.

      Great comment. Actually, alternators use a combination of brushes and diodes.

      The brushes are used to generate the electrical current off of the rotor assembly inside the alternator. The rotor assembly is the part that is spinning from the exterior pulley of the alternator. The diode is used to block the direct current (DC) voltage and only let pass a single alternate current (AC). The diode is basically a one way current valve (Shown Below). Generators do use brushes, but do not need diodes because they produce direct current (DC) which is not the type of current a vehicle utilizes.

      Overall, brushes are a way of generating the electrical current, and diodes are to direct alternate current.

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