1.Material: C.R.S w/ Zinc plate stainless steel
2.Size:O.D 91mm I.D 52mm
3.Description:available for different pressure
4.OEM NO.:124 500 04 06, 129 500 00 06
5.For cars:MERCEDED ,BENZ
6.We can supply all kinds of radiator caps according to your drawings or demands.