Replacement sheet or output seal protector used on gearboxes made by John Deere Iberica (Spain) and used on the early models of the MX Series of Rotary Cutters. This sheet must be removed to replace the lower seal or to rebuild the gearbox and may also become damaged during use and may need to be replaced. We sell many replacement parts for the most manufacturers rotary cutters. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Numbers: CE17657 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.