Auto parts can be broadly divided into two categories–original and duplicate. One should usually use original auto parts, as they are more reliable, durable and safe. Most of the automobile companies provide the original parts for their products if they need to be replaced.
Certain auto parts are difficult to find, as they are used in those models whose production was discontinued by companies. Generally, even after discontinuing production of a particular model, the car manufacturers try to ensure that auto parts are available for them, at least for the next few years.
You must get certain crucial auto parts in your vehicle checked at regular intervals, even if they are not malfunctioning. Some auto parts should be kept as “spares” in your vehicle, especially if you are going for a long drive beyond the city limits.