Running a parts warehouse online will require a theme that is specifically designed for large catalogs with terrific search and filtering functionality. Below I have compiled some of my favorite themes that are well-suited for this:
In addition, there is are third-party apps tailored specifically for automotive advanced parts search called EasySearch - Search by Model, and Year, Make, Model Advance Search that I recommend checking out. If there is anything else I can help you with, please let me know.
Thanks for the response. I have looked at those themes but they do not offer the layout or menu that I need. It's for marine parts so I will not need the vehicle search. I have looked at all of the themes in the theme store also. I am open to using a 3rd party theme. But I have not found one compatible with Shopify. I would like one from a reputable company.
In that case, check out the Galleria theme by Mile High Themes. This theme offers the sidebar search filters when you're on a collection page, similar to the example you shared:
If there is anything else I can help you with, please let me know.