The auto parts industry is changing fast. Electric vehicles are entering the market. Repair costs are climbing. Online sales are reshaping how drivers shop for parts. Yet one question continues to divide mechanics, distributors, investors, and car owners alike.

The aftermarket auto parts industry is changing fast. Investors who once focused mainly on repair demand and vehicle age are now watching something else closely: e-commerce.

The aftermarket auto parts industry is changing fast. Investors who once focused mainly on repair demand and vehicle age are now watching something else closely: e-commerce.