13.5mm Inner Dia Copper Flat Washers Car Sealing Gaskets Rings 20pcs - 0.53''x0.79''x0.04''(ID*OD*T)
$8.59
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.