Features & Benefits

Dorman’s engine expansion plugs are available in multiple styles, including cup type, pilot seal™, reverse taper, concave, quick-seal® rubber and quick-seal ® copper. Our uniquely designed pilot seal expansion plug ensures a leak-proof fit. We also offer engine expansion plug kits.

• Many sizes available
• Conveniently available in packs of different quantities
• Constructed from high quality steel, copper, brass, or rubber
• Dorman’s engine expansion plugs are constructed to strict engineering quality standards