Ford Focus RS MK2 | ST225 | RS500 | CORTECO Valve Stem Seal Set

Freudenberg Sealing Technologies is the largest manufacturer of oil seals and designed and manufactured the first Simmerring in 1929. It continues to deliver innovative solutions at the highest level.

As the aftermarket distribution arm of the Freudenberg Group, CORTECO can draw on many decades of that manufacturing expertise. Our range is derived from more than 7,000 gaskets and over 6,500 different shaft seals Simmering and valve stem seals that are available in OEM quality today. After more than eighty years, Simmerring is a universally recognised brand name with a range of applications that is constantly expanding