Back Cushion has a three hole bolt pattern. Seat Cushion has (2) 3/8" dowl pin holes.If you want to restore your seat back to its original appearance, choose Hy-Capacity’s high quality, hand stitched Cushion Sets. Quality is woven into the fabric of every Cushion and Seat.Includes: S3123332(Seat Cushion), S3123336(Back Cushion)The S3123330 Cushion Set, Black Vinyl - (2 pc.) fits equipment brands such as: Case IH, International