General Motors, CAP, 20938319 Genuine Oem:Yes, Category 2:Lift Gate, Item Name:Wiper Arm Cap, Category 1:Body Hardware Brand:GM, Fitment Type:Direct Replacement, Part Ref# On Diagram:ONLY PART REFERENCE #3 ON THE DIAGRAM IS Manufacturer Part Number:20938319, Category 3:Wiper & Washer Components, Quantity Needed:1