Genuine OEM Ferris 5105102 Seat with Armrests Fits IS3200Z Series. Part Number: Ferris 5105102. Fits Models: IS 3200Z (5901567) – Ferris IS3200Z Series 61-inch Zero-Turn Mower, 35hp Seat Mount and Floor Group S/N: 4000015530 and Below. IS 3200Z (5901568) – Ferris IS3200Z Series 61-inch Zero-Turn Mower, 37hp Seat Mount and Floor Group S/N: 4000015530 and Below. IS 3200Z (5901569) – Ferris IS3200Z Series 61-inch Zero-Turn Mower, 37hp Seat Mount and Floor Group S/N: 4000015530 and Below IS 3200Z (5901570) – Ferris IS3200Z Series 72-inch Zero-Turn Mower, 35hp Seat Mount and Floor Group S/N: 4000015530 and Below IS 3200Z (5901571) – Ferris IS3200Z Series 72-inch Zero-Turn Mower, 37hp Seat Mount and Floor Group S/N: 4000015530 and Below IS 3200Z (5901573) – Ferris IS3200Z Series Zero-Turn Mower, 37hp Seat Mount and Floor Group S/N: 4000015530 and Below. IS 3200Z (5901574) – Ferris IS3200Z Series 72-inch Zero-Turn Mower, 32hp Seat Mount and Floor Group S/N: 4000015530 and Below IS 3200Z (5901575) – Ferris IS3200Z Series 61-inch Zero-Turn Mower, 32hp Seat Mount and Floor Group S/N: 4000015530 and Below. IS 3200Z (5901579) – Ferris IS3200Z Series Zero-Turn Mower, 37hp Seat Mount and Floor Group S/N: 4000015530 and Below. IS 3200Z (5901831) – Ferris IS3200Z Series 61-inch Zero-Turn Mower, 32hp. California Prop 65 – This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm.