10PCS/Pack Copper Washer Solid Gasket Sump Oil Seal These copper washers are designed to serve as solid gaskets for sump oil sealing. Each pack includes 10 washers sized 17x22x2 mm, offering a reliable sealing solution for oil systems and related fittings. Key benefits Reliable seal with crushable copper: copper washers form a tight seal by deforming to match the mating surfaces, helping prevent leaks in oil systems. Oilcompatible material: copper is wellsuited for use with lubricants and metaltometal interfaces commonly found in engine and sump seals. Easy replacement and availability: a 10piece pack ensures you have replacements on hand for maintenance or routine servicing. Consistent dimensions: precisely sized at 17 mm inner diameter, 22 mm outer diameter, and 2 mm thickness to fit compatible components. Key attributes Material: Copper Outer diameter: 22 mm Inner diameter: 17 mm Thickness: 2 mm Pack quantity: 10 pieces Type: Solid gasket / washer Applications: Sump oil seal and related sealing needs Compatibility and performance Designed for use in oil systems that require a 17x22x2 mm copper washer for sealing. Suitable for automotive, small engine, motorcycle, and other equipment employing copper drain plug or sealing washers. Provides a dependable seal under typical oil and lubricant exposure, with good malleability to conform to sealing surfaces. Use cases Replacing a worn oil drain plug gasket on an automotive engine to prevent leaks at the sump. Replacing the oil pan sealing washer on motorcycles or ATVs that use 17x22x2 mm copper washers. Sealing hydraulic or fuel lines where a 17x22x2 mm copper washer is specified for a reliable, crushable gasket. How to use Ensure mating surfaces are clean and of old gasket material. Place a 17x22x2 mm copper washer on the bolt or fitting. Tighten to the appropriate torque as specified by the equipment manufacturer. Do not reuse old washers; with a washer from the pack for sealing performance. Notes Keep washers dry and protect from physical damage before use. Use as intended for oil sump seals and compatible fittings.