The parts shown on a diagram of a distributor cap typically include components of the distributor, including bolts and screws, cap, rotor, and shaft. The exact components of the distributor cap and distributor vary depending on the make, model and year of the vehicle.
A more detailed diagram of a distributor cap may also show the distributor cover, distributor shield and base distributor. AutoZone.com provides many diagrams of distributor caps and assemblies that users can search to find an exact match to a particular vehicle. Along with a diagram, AutoZone.com also offers basic installation and set-up tips for changing out a distributor cap for each vehicle.