The K12 and K13 seats are the same, may help widen the search. I see new they are $595 US. They're a couple on eBay but one has a broken pan the other a bulge in the cover. And one is the low seat. You have to look closely at the amount of rise to the rear and how thick the padding in front looks from the side. Be prepared, shipping from US to Canada is nasty.
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