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

