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20mm ID x 28.5mm OD Aluminum Oil Drain Plug Gaskets | Qty 25

SKU: 21178-A(1125,USGR)Q25
$21.99Price

These 20mm ID x 28.5mm OD aluminum oil drain plug gaskets deliver a reliable, OEM-style seal for automotive engines requiring medium-to-large format crush washers. Manufactured from high-quality aluminum, these gaskets offer uniform compression, excellent heat resistance, and long-lasting leak prevention. With a 20mm inner diameter and a wide 28.5mm outer diameter, these 20mm ID aluminum oil drain plug gaskets provide an accurate, secure fit on a variety of oil drain plug sizes.

This 25-piece pack is perfect for automotive service centers, quick-lube shops, fleet maintenance operations, and DIY technicians. The 1.6mm gasket thickness ensures proper crush and sealing strength during every oil service, helping prevent drips and maintaining engine cleanliness.

Product Details

  • Nominal Size: M20 x M28.5

  • Inner Diameter: 20mm

  • Outer Diameter: 28.5mm

  • Thickness: 1.6mm

  • Material: Aluminum

  • Quantity: 25 pcs

  • SKU: 21178-AWS

  • Ships From: Winchester, VA

Common Uses

  • Oil drain plug sealing

  • Routine oil changes

  • Auto repair shops & fleet maintenance

  • High-mileage engine service

Shipping & Guarantee

Ships from Winchester, VA.
60-day returns — no hassle.

We won’t screw you, but our fasteners will.™

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