BAS03581 - 25 Pack M13 (1/2") Copper Crush Drain Plug Gasket I.D: 13mm O.D: 18.7 Thickness: 2.25mm Commonly used Aftermarket M13 Copper Crush Oil Drain Plug Gasket for many Ford & other American Vehicles, please verify that they fit your vehicle. Great for stocking inventory in automotive repair shops! Aftermarket Part fits in place of 17752pk / 12550 / 69-15 / DP6915