I have a 2010 Cayman 2.9L with a worn motor mount. I ordered a Brand New Porsche OEM part, it was shipped in an overly sized plastic clear bag that was taped up with the typical Porsche labels on it. The bracket appears to be new but the rubber has a thin layer of brown crust that comes off easily with a finger nail. It was mostly covered when I pulled it from the bag but I rubbed half of it off. My concern is this crust is oxidation from the rubber, and that it's a part that maybe past its prime. Perhaps it's a finishing wax to help keep the rubber from drying out while it sits on a shelf. The rubber underneath looks healthy, it doesn't appear to have been mounted Has anybody experienced this on new rubber bushings or could provide insight on the subject? .
Discussion summary
YOUR RESEARCHOrdered a Brand New OEM Center Motor Mount, Dryotted?
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I'm no expert but that looks more like mold release from the rubber molding?
You should’ve seen what happened to the initial design of this mount that was in my 986. It looked far worse than yours when I replaced it.
It's fine. Seriously think about an insert. I found any increase in NVH to be perfectly acceptable in my Cayman 2.9.
Fingers crossed on the added NVH as I am about to do the same. Factory mount and yellow poly insert. And yes, that is just mold release in the mount.
Those two photos are of the new mount. I didn't pull the old one out yet.
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