Dsnaduo 330PCS Oil Drain Plug Gasket & Washer Kit — 36 Sizes for M12–M20

Overview

The Dsnaduo gasket and washer kit is a comprehensive assortment designed for versatile sealing needs around oil drain plugs. With 330 pieces spanning 36 popular sizes, it covers a wide range of common fitments, from compact M12 applications to larger M20 assemblies. The collection blends several material families to suit different environments and preferences, making it a practical addition to residential garages and professional shops alike.

Expect a careful mix of gaskets and washers in neat groupings that simplify selection during maintenance tasks. The inclusion of blue‑accented gaskets among the metal and rubber options helps with quick visual identification, so you can grab the right part faster when time matters.

What’s in the kit

• Rubber gaskets in multiple sizes, including compact 20.3x11.8mm and mid‑size 21.7x13.5mm options for M12–M14 plugs
• Additional rubber variants at larger diameters (e.g., 25.7x10mm) for M12, plus 19.3x14mm for M14
• Metal & rubber combinations offering a blend of strength and flexible sealing across 1/2 to M12/M14 ranges
• Blue metal & rubber gaskets for quick site recognition and organized use
• Aluminum gaskets in several sizes (including VW/Audi associations) and multi‑layer options for lightweight durability
• Stainless steel gaskets suitable for higher strength needs across M12–M18 sizes
• Copper gaskets tailored for specific models and classic fits, including Mini Cooper variants
• Fibre and fibre‑mixed gaskets for smaller and precise seal needs
• Additional fibre & aluminum combinations for varied sealing scenarios

Materials at a glance

• flexible, easy to compress, suitable for standard sealing duties
• durable seal with added rigidity where a metal backer helps seat
• lightweight, corrosion‑resistant, ideal for many modern makes
• strong, corrosion resistant, good for high‑demand environments
• compatible with specific European models and classic fits
• thin profiles for tight seals and smaller opening spaces

Practical uses and benefits

• DIY maintenance: quickly find a matching gasket for routine oil drain plug work and reseal with confidence
• Shop efficiency: keeps a broad range of sizes in one organized kit, reducing trips to the parts drawer
• Versatile compatibility: designed to fit sizes from M12 up to M20, plus common inch standards
• Visual cues: color‑coded blue options help you distinguish between different material families at a glance
• Long‑term readiness: a diverse mix supports seasonal gasket replacements and preventive maintenance

Tips for choosing the right size

Measure the drain plug or gasket seat, then compare to the listed dimensions to identify a close match. If in doubt, start with a mid‑range size and test the seal—retighten gradually to avoid over‑compressing the gasket.