Dorman 1 1/4in to 1 3/8in Rubber Expansion Plug

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.

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