Sump washers are specifically created for automotive use as they are designed to make sure that the engine oil sump plug is fastened securely in place.
Nylon Sealing Washer 13 x 20 x 2 – Sump washer to suit Ford OHV
Nylon Sealing Washer 14.5 x 22 x 2 – Sump washer to suit Ford OHC
