10PCS/Pack 22x27x2mm Copper Washer Solid Gasket Sump Oil Seal This copper washer set provides a reliable, durable sealing solution for oil sumps and related fittings. Made from solid copper, these washers compress to form a metal seal that helps prevent leaks in oil systems and other connections. With a precise 22x27x2 mm size and a pack of 10, they are ready for replacement, maintenance, or multiple applications. Key benefits Reliable seal: copper material creates a secure metaltometal seal when compressed, reducing the risk of oil leaks at sump and drain plug connections. Conforms to surfaces: soft copper provides good conformity to mating surfaces, helping seal small irregularities. Corrosion resistance: copper performs well in oil and lubricant environments, contributing to longlasting seals. Convenience: 10 pieces per pack ensure you have spares for future maintenance or multiple applications. Key attributes Material: copper Type: solid gasket / washer Size: inner diameter 22 mm, outer diameter 27 mm, thickness 2 mm Quantity: 10 pieces per pack Application: sump oil seal and related gasket needs Specifications Inner diameter: 22 mm Outer diameter: 27 mm Thickness: 2 mm Pack quantity: 10 washers Material: copper Suitable for sump oil seal applications and general sealing needs requiring a 22x27x2 mm copper washer Applications and use cases Automotive oil pan sump drain plug: worn or damaged copper washers to prevent oil leaks. Sump or reservoir seals for gear oil or transmission oil lines that require a 22x27x2 mm copper washer. Small hydraulic fittings and plumbing connections where a copper washer is specified for a reliable seal. Installation guidance Ensure mating surfaces are clean and of debris. Place the copper washer between the bolt head or plug and the mating surface, aligning with the hole or recess. Torque to the manufacturer's specification to achieve an even crush without deforming the washer. Inspect for deformation after installation; if damaged or excessively crushed. Care and maintenance Inspect washers during routine maintenance and any that show signs of deformation, wear, or corrosion. Store in a dry environment to prevent oxidation and maintain metal integrity. This product matches the stated specifications and features of the 10PCS/Pack 22x27x2mm Copper Washer Solid Gasket Sump Oil Seal, providing a practical, compatible solution for sealing oil sumps and related connections.