10PCS/Pack Copper Washer Solid Gasket Sump Oil Seal This pack provides copper washer seals designed for sump oil sealing and similar applications. Each washer is a solid gasket that helps prevent oil leaks at sealing surfaces. Key attributes Pack quantity: 10 pieces per pack Material: Copper Type: Solid gasket washer Size: 7 x 14 x 2 mm (inner diameter 7 mm, outer diameter 14 mm, thickness 2 mm) Function: Used as a sealing washer for oil sump and related connections Performance: Copper offers good malleability for a reliable seal and corrosion resistance in oil systems Benefits and features Reliable oil seal: Copper washers create a tight seal for oil sump drains and other small oil passages. Malleable fit: Copper compresses to conform to sealing surfaces, reducing the risk of leaks on mating components. Durable material: Copper provides corrosion resistance suitable for engine and lubrication environments. Easy replacement: A 10piece pack ensures you have replacements on hand for routine maintenance or service intervals. Clear sizing: Precisely measured 7x14x2 mm to fit compatible fittings and drain plugs that require this size. Applications and use cases Automotive engine oil drain plug seal: worn or damaged copper washers during oil changes to prevent leaks at the drain plug. Sump oil pan sealing: Use as a gasket washer at the interface between the oil sump and pan where a copper seal is specified. Small lubrication lines and fittings: Suitable for sealing small oil passages or fittings that call for a 7x14x2 mm copper washer. Compatibility and guidance Designed for applications requiring a 7 mm inner diameter, 14 mm outer diameter, and 2 mm thickness copper washer. Verify OEM specifications and ensure the washer size matches the sealing surface requirements before installation. Packaging and maintenance Pack size: 10 washers per pack for convenient stocking and replacement. Storage: Keep dry and avoid physical damage to maintain material integrity. Note: This product aligns with the stated specifications of a copper solid gasket washer used for sump oil sealing. It is intended for use in compatible engines and lubrication systems that require 7x14x2 mm copper washers.