A failed seal shows up as water in the cabin or a whistle at speed rather than as a visible break, so replace them with the panel they seal rather than reusing a compressed original.
Hood seals, door shell seals, fender insulators, sunroof glass seals and roof moulding protectors. A failed seal shows up as water in the cabin or a whistle at speed rather than as a visible break, which is why they get overlooked. Replace rather than reuse a compressed original.