Yes, you can force FAB 3000 to use a different part number from an ODB++ property.
1. Go to menu: File / Import / ODB++..
2. Select tab "Options".
3. Go to "Component Part Number Attribute (Optional)", and assign the value you wish (see below).
Press Next and during ODB++ import, the part number will be assigned from the property "CDS_LW_PART_NUMBER".