The Cadillac ATS has a small air deflector in front of each wheelhouse. On the front, you can Google 20931825 and see the left side deflector. I have searched all over the Internet for the part number for the left rear deflector, which is smaller and can be seen on the forward side of the rear wheelhouse. Both of these parts are broken on my car, and I would like to eventually replace them. I just can't find the rear deflector anywhere on a GM diagram, it's like the part doesn't exist. Can anyone out there help with this part number? I have never been in a situation where I could not find a part number.
You can not buy it separately from what I have seen you have the buy the whole wheel liner that it is attached to..
That is how the rear deflectors are for the V's anyways.
I'll just fabricate the part myself out of a piece of ABS. The part shouldn't cost more than $5, but I'm sure GM wants $30 for it. The part is made to break, and this one passed the test!
You can purchase them. PN is 20931828. I think list is like $78. Crazy for a small piece of plastic!
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