●Pack Include: 20 Transmission Drain Plug. ●Fit for Honda Accord Acura Civic Odyssey CRV CR-V Pilot Fit Element etc. ●replacement for the part# 90471-PX4-000 90471PX4000. ●This 18 mm / 0.71 inch aluminum automatic transmission fluid drain plug crush washer seal is needed to change transmission fluid. ●OD.(outside diameter): 25.5 mm / 1 inch, ID.(inside diameter): 18 mm / 0.71 inch , Thickness: 1.95 mm / 0.08 inch