Unfotunately if you buy boots that look like the stock boots they are not likely to las 30 Years.

I bought Cardone rbuilt Axles when I first got My Mercedes and they starte cracking after about 5 Years and it had stock type boots. So all of the look-alike stock boots are not created equal.

Also in the past 30 years the chemical properties of all kinds of things has been changed to make them less toxic to make or the simply changed the forumla.

I know there are certain paints and adhesives that do not work as well as the older foumlas did.

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84 300D, 82 Volvo 244Gl Diesel