Buy Auto Supply # BAS01003 (5 Pack) Air Box Screw Head Size: 8mm / Total Length: 40.6mm Aftermarket Replacement for 6509605AA, 11549031 BAS01003 (5 Pack) Air Box Screw Aftermarket Part Fits in Place of 6509605AA, 11549031 Hex Head - 8mm Total Length - 40.6mm Air Box Screw for many Vehicles. Please verify that this item is the correct part for your vehicle, there are many different styles used. If you have any questions please send us a message and we will do our best to assist you.