10PCS/Pack 13x24x2mm Copper Washer Solid Gasket Sump Oil Seal This copper washer set provides a reliable sealing solution for oil systems and other threaded connections. Each washer has an inner diameter of 13 mm, an outer diameter of 24 mm, and a thickness of 2 mm. The solid copper construction is designed to form a tight seal when compressed between mating surfaces, helping to prevent leaks in temperature and oily environments. Key benefits Prevents oil leaks by providing a dependable compression seal between parts. Copper material offers good malleability for a uniform, tight seal and effective load distribution. Solid gasket design expands and deforms to seat firmly, reducing the risk of leakage at the connection. 10 pieces per pack for easy replacement across multiple applications or vehicles. Compact, precise dimensions ideal for sealing requirements where an ID of 13 mm, OD of 24 mm, and thickness of 2 mm are specified. Key attributes Material: Copper Type: Washer / Sump Oil Seal Size: Inner diameter 13 mm, Outer diameter 24 mm, Thickness 2 mm Quantity: 10 pieces per pack Construction: Solid gasket designed to form a tight, reliable seal when compressed Applications and use cases Automotive oil pan drain plug sealing: worn or damaged washers to prevent oil leaks from the sump drain plug. Motorcycle and small engine seals: provide a reliable seal for oil drain plugs and similar threaded connections in light vehicles and equipment. Hydraulic fittings and other mechanical connections: use with threaded assemblies where a copper gasket washer is appropriate to achieve a leak seal. Usage guidance Clean both mating surfaces before installation. Place the copper washer between the threaded surface and the plug or fitting. Tighten to the appropriate torque specified for the application to ensure a proper seal. the washer if deformation or wear is evident after removal. This product adheres to the stated specifications and provides a practical, durable sealing solution for oil sump and related fittings.