10 pieces per pack. Copper Washer Solid Gasket for Sump Oil Seal, sized 16x25x2 mm. Key benefits Reliable oil sealing: copper material provides good conformability to sealing surfaces, helping to prevent oil leaks. Solid gasket performance: designed as a solid washer to create a robust seal in oil related applications. Corrosion resistance: copper stands up to oil environments and resist corrosion over time. Easy installation: standard 16x25x2 mm dimensions fit common drain plugs and sump seal surfaces. Value packing: ten washers per pack offers multiple seals for replacement or spare use. Key attributes Functionality: seals oil within sumps, drain plugs, and related connections Compatibility: suitable for automotive, motorcycle, and other machinery requiring 16x25x2 mm copper washers Size: inner diameter 16 mm, outer diameter 25 mm, thickness 2 mm Material: copper Type: solid gasket washer Performance: provides a tight seal in oil systems with good malleability to conform to mating surfaces Specifications Quantity: 10 pieces per pack Inner diameter: 16 mm Outer diameter: 25 mm Thickness: 2 mm Material: copper Application: sump oil seal, drain plug gasket, general purpose sealing washer for oil systems Applications Replacing the oil drain plug gasket on automotive engines that require a 16x25x2 mm copper washer Sealing the sump drain in motorcycles or small engines Sealing oil or hydraulic connections in equipment where a copper solid washer of this size is specified Notes Compatibility depends on the specific torque and surface finish of the mating components; verify fitment with your equipment's requirements. Use appropriate sealing practices and ensure surfaces are clean and of debris before installation.