Yes it is. Rear lower.
www.repairclinic.com/PartDetail/Start-Device/67005560/1159182?RCAID=1000064Unplug the refrigerator. On the compressor pictured below the parts are mounted where the red arrow is pointing in the picture. The parts pull straight off, they fit tightly but they will pull off. Change the parts and wire it and plug it in, that will take care of it.
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Is the buzzing a relay going out?