Genuine OEM Volkswagen O-Ring, part number N91046501. This O-ring is designed to create a watertight or airtight seal between two mating surfaces, commonly found in engine oil systems. Its precise dimensions ensure a perfect fit and effective sealing. The material is chosen for durability and resistance to engine fluids. Genuine OEM O-rings are manufactured to exact specifications, ensuring they maintain their sealing properties under demanding engine conditions and prevent leaks.