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Dorman o-rings?

4950 Views 10 Replies 4 Participants Last post by  RopinandRidin
How is the quality of Dorman o-rings? I'm going to replace the kit on my oil cooler and my option is to pay $75 and wait several days for a Ford set to be shipped or pay $65 and pick up a Dorman set, tomorrow. I'm not trying to be cheap and don't mind paying the extra but if there isn't any quality difference, I'll just pick up the Dorman set in the morning and get going on the replacement.
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I just did my oil cooler, twice, the first time with all the orings and gaskets from International and a second time to change out the front gasket for a Ford one. I had a leak when the engine was cold with the International front gasket, there is a difference. If I had a problem with and International part I would have even less faith in a chinese made Doorman part.

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They are the exact same shape, size, and thickness (0.050") But the Ford gasket sealing surface is definitely a softer material. Both are made from aluminum. Here are some pictures of them stacked and side by each.

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Even if the angles were different the endcaps could rotate on the round cooler to accommodate some degree of difference in angle. I think the material differences are more heat related, the strange thing is that the rear gasket I got from International is made the same way that the front gasket is from Ford.
Interesting. I know that the Int'l parts guy wouldn't sell me the one he had.
He did you a favor, it sucks to do it twice.
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