sorry its a Varistor
I could not come up with a part number for this one.
Do you have a clearer picture of the part markings? Those might help us identify the part. It looks like a TDK Varistor but markings may help id.
Clicking the image, and then clicking it again, shows a high resolution version.
Manufactured 52nd week of 2013
I believe that is a SIOV-S07K275 type and a Mfg Part# of B72207S0271K101
Paul Hutch has given you the right part.
Ohh one of them
This should be it: