Welcome to our oil seal product range, where quality meets precision engineering. At Corteco, we take pride in offering you the finest oil seals sourced directly from Freudenberg Sealing Technologies, the pioneering leader in seal manufacturing since 1929. 
When you choose Corteco oil seals, you’re selecting the original seal designed and engineered for leading European car manufacturers. Each seal is meticulously crafted to fit perfectly, ensuring optimal performance and durability for your vehicle or engine. With Freudenberg’s extensive manufacturing expertise backing us, we guarantee the highest standards of quality and reliability in every product. 

Freudenberg Sealing Technologies boasts a rich history of innovation, having introduced the first Simmerring® nearly a century ago. Today, we continue to uphold that legacy by delivering cutting-edge solutions that meet the evolving needs of automotive engineering across a wide spectrum of applications including cars, vintage cars, commercial vehicles, trucks, tractors, construction machinery, and two-wheelers. 
As the aftermarket distribution arm of the Freudenberg Group, Corteco offers a comprehensive range of over 7,000 gaskets and 6,500 different shaft seals, Simmering®, and valve stem seals—all available in OEM quality. Our commitment to excellence ensures that every Corteco product adheres to the stringent standards set by leading European car manufacturers, providing you with peace of mind and unparalleled performance. 

With more than eighty years of industry expertise, Simmerring® has become a globally recognized brand synonymous with reliability and precision. Our range of applications continues to expand, catering to diverse automotive needs with unmatched precision and efficiency. 

Explore our online catalog – Your access to over 26,000 parts in OE-quality.

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Radial Shaft Seals – The Simmerring®

A radial shaft seal is a crucial component in an engine, designed to prevent the leakage of fluids and contaminants along the rotating shafts of crank- and camshafts.


Always the right solution 

With OE quality spare parts directly from the OEM, we cover a wide range of vehicle needs with precision-engineered parts for passenger cars, heavy-duty vehicles, two-wheelers and e-mobility.

Find the right part

Discover Corteco’s convenient online services! simplifies your search for oil seals, while offers a comprehensive catalog of automotive spare parts. Optimize your parts procurement process and find the perfect components quickly and easily with Corteco’s online platforms. 

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Online Catalog

Use our online-catalog to find your parts for your type of vehicle.

Find your seal

Unsure which seal fits your vehicle? Use our seal finder to easily find your missing parts.