14mm Inner Dia Copper Crush Flat Washers Car Sealing Gaskets Metric Rings 20pcs - 0.55''x0.73''x0.04''(ID*OD*T)
$12.07
Material:Copper,durable and sturdy. Function:Seal the sump plug nut to the sump tightly. Have a tighter seal and high heat resistance than steel and rubber washers.