CRM product hierarchy is mapped to R3 material master.
In R3 IMG, the following path:
go to ‘Define Product Hierarchy’, and then choose the 3rd one, press ‘Enter’.
there you can maintain the product hierarchy. The product hierarchy node number will indicate the hierarchical relationship between the nodes.
eg. 00230000106 and 00230000105 will both go under the node of 00230. The field ‘Level no’ will also tell you the level of each node in the hierarchy.
You must run initial download of DNL_CUST_PROD1 again to load the new product hierarchy category to CRM, because there’s no delta load for customizing data.