Stens 265-162 Belt Replaces Exmark 109-4994 186-Inch by-5/8-inch Replaces Exmark: 109-4994 Fits Models Exmark Next Lazer Z and Lazer Z AS, air cooled engines with 52" deck, Serial No. 790,000 and higher Packaging Type: Branded sleeve Length 186-inch Width-5/8-inch Made to OEM specs