Originally Posted by
hustler316
You can replace both inner and outer. We do it regularly, I don't remember where we got ours but if you look on ebay there are plenty around.
If you figure out where you ordered from let me know. Last time I looked I was not able to find the outers (if I remember correctly). Some people claimed they sold the outers but they had part numbers/info did not line up. MB did not sell them separate and my shop could not find any.