Welcome to our Shop By Diagram section. Here at Detroit Wrecker we have made it easier than ever to find the parts you are looking for. Ever wonder what relief valve you need for your wrecker boom? How about what hose assembly goes with your winch. We have broken down these part assembly diagrams all the way down to their nuts, bolts, and washers! Below are several diagrams of popular part assemblies, click on the diagram to bring you to its page. Within these pages you will find a diagram of a part assembly with every single part labeled with its part number, a description, and in some cases a link to buy that part in our shop.