Before we started Doc’s Diesel, when it was time to service our trucks we were sick of the dealership charging us an arm & a leg. Then deciding to do-it-ourselves it was hard to find all the filters our truck needed in one place online, usually they were out of stock or we felt we couldn't trust a cheap brand. That's when we decided to spec and design filters that met or exceeded OEM filters while cutting out the middleman. We launched Doc’s Diesel with a simple mission - make diesel maintenance