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. Our solutions are thoroughly tested and inspected, and if you experience any difficulty installing or using our parts, we have a dedicated technical support team of ASE Blue Seal certified professionals ready to help. To learn more about our quality and innovation, visit DormanProducts.com.