GM 10409635 CAP,RAD FIL Genuine Oem:Yes, Category 2:Cooling System, Superseded Part Number:10283897, Item Name:Radiator Cap, Category 1:Cooling System Brand:GM, Fitment Type:Direct Replacement, Other Part Number:10283897, Part Ref# On Diagram:ONLY PART REFERENCE #4 ON THE DIAGRAM IS, Sme:_2384 Manufacturer Part Number:10409635, Category 3:Radiator, Alternate Item Name:Radiator Cap, Quantity Needed:1