Online Shopping
Finding Ducati parts online is extremely easy. There are a lot of websites that sell these for all different models of Ducatis. While you will have a lot of websites to shop from, you have to make sure the store is an authorized seller. This will ensure you are getting genuine parts that will work how you need them to. If you were to get a bad part you could end up damaging your bike and spending a lot of money on repairs.
If you purchase from a private seller on an auction site, you just have to ask to make sure the part is real. Some of these parts might be used, but you can save a lot of money by purchasing them. A lot of people sell parts because they don't need them, not because they don't work effectively. You can get great deals on auction websites or even by visiting bike forums for Ducati enthusiasts.
When online shopping it's important to compare costs from different websites. Some will be more expensive than others and not comparing can mean spending a lot more than necessary. Most search engines will compare for you, but you have to know the part number you're looking for. Also look for online coupon codes to help bring the price down.
In Person Shopping
Most motorcycle stores will have Ducati parts available to purchase, but the selection might be limited. Generally you will only see new parts available for recently released models. It might take some searching around in order to find a store that has just what you need. The selection available will really depend on the store and the specific part you're looking for. Dealerships may also have parts available, but keep in mind these will be expensive.
Junk Yards
What happens to bikes after they get into wrecks or when they just stop working? Well, most of the time they are taken to junk yards where they become scraps. People can come to these yards to find parts that they need, but they are responsible for taking the parts off of the bike. If you don't mind getting your hands dirty and taking parts off of a used Ducati, you can save tons of money at junk yards. Try going to a few different places to see what they have; Ducatis can be difficult to find at some places.
The Ducati parts you need for your bike can be found at a number of different places. Taking the time to search around can mean saving hundreds of dollars while still finding the part you want!