Rebuild Kit Compatible with John Deere MX7 and MX8 mowers with the Iberica "Made in Spain" gearbox. Rebuild your gearbox with the broken output shaft with this rebuild kit. This kit includes one new gear set (output shaft with gear and ring gear), one new input seal, one new output seal, one new rear gearbox rubber plug and one new output circlip. Use our parts to rebuild your existing gearbox and put your mower back to work at a fraction of cost of new. Requires reusing or replacing the input and output bearings, and Factory Shim kits may be required to shim these gears to a proper clearance (available from your local John Deere Dealer). Kit Specifications: Output shaft with 15 tooth pinion Ring Gear with 22 teeth Replacement high quality input and output seal and rear rubber plug Replacement circlip for the output shaft May require use of John Deere input and or output shim kits Requires reusing original bearings or replacing with new We sell many replacement parts for the most 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:DE19034-Kit 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.