Here's one on Ebay for sale and it says it's genuine OEM: https://www.ebay.ca/itm/CATERPILLAR-PLATE-1M3363-/132099831348?hash=item1ec1c37634
Need a whole starter switch like this. Tomj
Pick a switch: https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR10.TRC2.A0.H0.Xcaterpillar+heat+start+switch.TRS2&_nkw=caterpillar+heat+start+switch&_sacat=0