2. Visit your local junkyard. Junkyards are a great place to find used car parts, and you can often find superchargers for a fraction of the price you would pay at a dealership. Be sure to inspect the part carefully before you buy it, and make sure it is in good condition.
3. Contact a used auto parts store. Used auto parts stores are another good option for finding a used supercharger. These stores typically have a large inventory of used parts, and they may be able to find the supercharger you need.
4. Ask around. Talk to friends, family, and co-workers who own the same make and model of car as you do. They may know where you can find a good used supercharger.
5. Be patient. It may take some time to find a good used supercharger, especially if you're looking for a specific model or year. Be patient and keep checking the classifieds, junkyards, and auto parts stores until you find what you're looking for.