The left side (OEM) is a general/overview. The right side (PRODUCT) is more speciﬁc.
1) If you know the OEM you want information for, type it in the left search box. If the OEM is available, the OEM name or the OEM name and a list of products will appear underneath the search button.
If only the OEM name appears, click on the name and a list of products will appear in the Product (right) search panel. Or, if you see a list of products under the OEM name, click on the one you are interested in and more specific information will appear on the right hand side.
2) If you only know a type of product you want information for, type it in the Product search box. A list of available OEMS that have this type of product will then appear on the left. Then click on one for more information. The available products and information will then appear below.