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.
Product Features:
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
For most of our expansion plugs, they are usually matched to the vehicle by size and not as direct fit applications. Your best bet at finding one to fit your 400cid is by going into one of our stores.
Answered on 8/16/2010 by Mike from AAP
Q:
does this freeze plug fit my 90` buick lasabre? because when i go into the store they say they need 2 know what size it is?
Disclaimer
We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact
Customer Care
if you have any questions or corrections.