This is an aftermarket replacement Corteco 82015257NO FPM Rotary Shaft Seal, commonly known as an oil seal or 'Turbo Seal'. Designed as a high-quality alternative, this seal is engineered to meet the demanding requirements of various industrial and automotive applications, particularly where high temperatures and aggressive media are present. With precise dimensions of an 85mm inner diameter, 105mm outer diameter, and an 11mm width, it ensures a secure fit and reliable sealing performance. Crafted from FPM (Fluoroelastomer), also known as Viton, this radial shaft seal offers superior resistance to extreme temperatures, oils, fuels, chemicals, and ozone. The FPM material makes it an ideal choice for critical sealing points in engines, gearboxes, pumps, and other rotating machinery, especially those operating under harsh conditions or in turbocharger systems where thermal stability is paramount. The 'RWDR-CALZATO' designation indicates a specific design profile for enhanced sealing integrity and durability. As an aftermarket replacement, this 82015257NO seal provides a cost-effective solution without compromising on essential performance characteristics. It effectively prevents the leakage of lubricants and protects internal components from the ingress of dirt, dust, and moisture, thereby extending the lifespan and maintaining the efficiency of your equipment. Ensure compatibility with your specific application before installation for optimal results.