![Ask Away! with Jeff Smith: What Causes Distributor Cap Corrosion and Deposits (and How Can You Avoid Them)? - OnAllCylinders Ask Away! with Jeff Smith: What Causes Distributor Cap Corrosion and Deposits (and How Can You Avoid Them)? - OnAllCylinders](http://www.onallcylinders.com/wp-content/uploads/2016/07/22/ASK-07-02-B.jpg)
Ask Away! with Jeff Smith: What Causes Distributor Cap Corrosion and Deposits (and How Can You Avoid Them)? - OnAllCylinders
![Amazon.com: A-Team Performance - Universal 8-Cylinder Male Pro Series - Distributor Cap and Rotor Kit (Red) : Automotive Amazon.com: A-Team Performance - Universal 8-Cylinder Male Pro Series - Distributor Cap and Rotor Kit (Red) : Automotive](https://m.media-amazon.com/images/I/81gdcQN1eTL.jpg)
Amazon.com: A-Team Performance - Universal 8-Cylinder Male Pro Series - Distributor Cap and Rotor Kit (Red) : Automotive
![New distributor cap has black plastic on the contact. Wouldn't that cause it to not work? This is what contacts the metal on the rotor button, and the old cap isn't like New distributor cap has black plastic on the contact. Wouldn't that cause it to not work? This is what contacts the metal on the rotor button, and the old cap isn't like](https://i.redd.it/yyp7n8ot8on91.jpg)
New distributor cap has black plastic on the contact. Wouldn't that cause it to not work? This is what contacts the metal on the rotor button, and the old cap isn't like
![TheSamba.com :: Beetle - Late Model/Super - 1968-up - View topic - Dust inside distributor cap and on rotor. Normal? TheSamba.com :: Beetle - Late Model/Super - 1968-up - View topic - Dust inside distributor cap and on rotor. Normal?](https://www.thesamba.com/vw/gallery/pix/897884.jpg)