Brand New Gray Universal Lawn Mower Zero Turn Seat 16 Back 11.25×11 Mount… Genuine Ariens Part # 05286100 Genuine OEM Ariens Part. Gray Universal Lawn Mower Zero Turn Seat 16 Back 11.25×11 Mount. Brand New Gray Universal Lawn Mower Zero Turn Seat 16 Back 11.25×11 Mount.. Genuine Ariens Part # 05286100. Genuine OEM Ariens Part. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.