Top 10 Best Office Chair Seat Cushion for Back in 2021 ReviewsThis item is in the category Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Seats, Components, Cushions & Covers. 3pc. seat cushion set sw3475 fits minneapolis moline a4t1400 a4t1600 g1000 only the 48 contiguous states in the u.