Description Washer , 13/16 x 1/4 x 0.002 SHIM STE   Features This is a Honda genuine OEM automatic transmission drain plug crush washer.  Made of stainless steel.  It is an 18mm washer with an outside diameter of 18.5 mm.  It is a compatible replacement for Honda Part Number 90471-PX4-000.  It is recommended to replace this washer during every fluid…