GM Blade Genuine Oem:Yes, Category 2:Chassis Electrical, Item Name:Front Blade, Category 1:Electrical Brand:GM, Fitment Type:Direct Replacement, Part Ref# On Diagram:ONLY PART REFERENCE #4 ON THE DIAGRAM IS, Sme:_3484 Manufacturer Part Number:20945799, Category 3:Wipers, Quantity Needed:1