Three Sizes Pro Grade Copper Crush Washer Set For Oil Drain Plugs Fits M12 30 Pieces Includes 18x12x1.3mm 20x12x1.5mm 22x12x1.5mm Replacement 90430 12027 Durable Automotive Oil Gasket Kit

Three-Size Copper Crush Washer Set for M12 Oil Plugs (30 PCS)
✔️ 30 pcs in 3 sizes: 18x12x1.3, 20x12x1.5, 22x12x1.5 fits M12

These copper crush washers are compact, durable gaskets designed for M12 oil drain plugs in automotive engines and gearboxes. They seal drain plug threads to prevent leaks during oil changes and under high-temperature operation.

✅ 30 pieces total in 3 sizes: 18x12x1.3mm, 20x12x1.5mm, 22x12x1.5mm
✅ Bronze colored copper gasket set for oil drain plugs
✅ Replace: 90430-12027; fits M12 threads
✅ Includes three sizes to cover common M12 drain plug gaps

💡 What is an oil drain plug copper washer used for in automotive maintenance?

They provide a seal between the drain plug and pan, preventing leaks during oil changes and under heat.

• oil pan sealing for engine oil changes
• works with standard M12 drain plugs
• helps prevent oil leaks under pressure
• easy replacement with a ready-fit set

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