The Tecumseh 36010 Oil Seal is a genuine OEM, new-old-stock (NOS) crankshaft seal designed for small engines. Built with precision material and engineered tension at the sealing lip, it provides a reliable and leak-proof fit on compatible engines such as the OHV15 and many engines in the VLV, VLXL40-65, SBV, ULT, and VLX series