I am developing an auto parts website. After the year, make, model and engine size are selected I want the customer to be taken to a page or list of categories that the parts fall under such as brakes, heating and cooling, engine, etc. Once the customer selects this category then the parts that fall under that category and specific to their car would then display.

Do I need to list all the parts categories as subcategories to each vehicle or is there a way to have the vehicles linked to page of the parts categories and then those categories be links to the actual parts?

Any input would be greatly appreciated!!