SEAL RING OIL DRAIN PLUG FITS: FORD ESCORT MK IV 1.8 D.FORD ORION MK II 1.8 D.FORD SIERRA II SAPPHIRE 1.8 TD.FORD SIER. I. Gasket Design. NBR (nitrile butadiene rubber). We will get back to you as soon as possible in 1-2 working hours and in 24 hours during the weekend.