The reason for usage of cheap used auto parts in cars is because it is cheap and easily replaceable, cost effective and also does not make a hole in your pocket. The availability of these auto parts is also vastly available that it can virtually be found anywhere. Parts from cheap used snow mobiles are sometimes used in cheap used cars as people who are buying these cars do not think that it is worth putting brand new auto parts for the same function that cheap used auto parts serve. The reason for the usage of cheap used auto parts poses the reason for change in an old car and when professionally done runs like a brand new car and not like a broken down old one. Used auto parts are extremely worthy of the costs that they are sold at and cannot be a substitute to anything else that seems like a better option. The reason behind using such automobile parts is that they serve for a longer amount of time when re-bored or changed and revamped. Cheap used auto parts are therefore an extremely good substitute for new auto parts.