Durafit Seat Covers, KU09 Insulated Tractor Seat Covers (set of two) for 18 inch wide, one piece tractor seat. One piece 18 inches wide tractor seat cover in gray automotive twill. 2 sets. This is the basic tractor seat on many Farmall, Sears and Kubota tractors for last 12 years. If your seat have armrests and does not fold forward, this cover will not work. Cover is two layers, outer twill and inner fleece to wick the moisture away from you. Take the heat out of that black vinyl seat. Machine washable, quick installation for ease of use.