(10) Fuel Injector Boot Fits John Deere 4000 4020 6600 4520 3020 7700 4230 7520 Fits John Deere Agriculture & Construction Tractor Models QTY: 10 PACK Fits John Deere: Tractors: 3020, 4000, 4020, 4230, 4520, 5020, 6030, 7520 Construction: 500, 500A, 500B, 500C, 510, 600, 644, 644A, 644B, 646, 646B, 690, 690A, 700A, 760, 760A, 770, 770A, 772A Combine/Forage Harvester: 6600, 7700, 5200, 5400 Tech Info: This is a Set of 6 Fuel Line to Injector Boots - Please See Other Listings for other Various Kits and Multiples! Replaces Part Numbers: R34765, A-R34765 Fiment For MPN R34765 Package Include:Fuel Line To Injector Boot x10 Note:1. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service. 2. Please check pictures for more details. 3. Communication is the best way to solve the problem. If you have any problems after you receive the package, please contact us in time, before opening a return or case. The original packaging of the item may have been contaminated by the store due to storage, but the item itself is provided in a new state that has not been previously installed. Usually, we will complete the order shipment within 3 working days. But due to different warehouse locations, there may be time differences. If you haven't received the package for a long time after it was sent out, please communicate with us first,We will do our best to solve your problem. You can contact our customer service team before or after sales, and they will be happy to provide assistance.