Product review (1 stars): Need a cheap,little part? Samsung wants you to buy the big, expensive assembly it came from.
Like the previous poster I had a knob problem There is a little spring clip inside the knob that holds it on the shaft. I removed the knob for cleaning and the clip stayed on the shaft. I just bent the tabs on the clip so it would stick better inside the knob  So far, so good. What ticked me off enough to write this review is that I just discovered that one of the little bumper feet under the burner grate fell out. I checked with Samsung and my dealer's parts dept. and they do not sell the bumpers separately. Samsung expects you to buy a $65 grate because they do not sell a 2 buck bumper. I went on line and EVERYBODY sells replacement bumper feet except Samsung. If I hadn't been able to fix the knob clip I would be out 35 bucks for a new knob. The warranty ran out 4 mos. ago. Good parts support is high on my list and recently I've bought a lot of Samsung, A TV, a monitor and two smart phones. I'm having second thoughts. Most of these bumpers are similar, though some are press fit and others glue in. I'll have to see what fits.