2008 Subaru Legacy Outback Stereo / Radio Knob M2E497563A . This is a genuine Subaru OEM part, not the cheap aftermarket stuff. The knob has been thoroughly inspected and is in good used condition. The knob has also been hand cleaned as well. **Please make sure your existing knob matches our pictures prior to purchase, Subaru used different knobs for their stereos in the same model years, thank you! Part number M2E497563A is found on the inside of the knob. Please contact us with any questions you may have about this part. We offer a money back guarantee on this part as well as free shipping.