I have a 2005 Exmark lazer Ct 48 inch with a 18 KC. I am in dier need of a ultra vac. But anyways, i found this one on ebay. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330211084453&ssPageName=ADME:X:RTQ:US:1123 It says it will fit exmark products with the serial range of 250,000 to 400,000 Now, my exmark is a LCT4818KC and serial is 495 332. What do u guys think?