1、Perfect Fit: This boom bucket cylinder seal kit is compatible with for Kubota tractor and front loader models, including the L2800DT, for HST, L2800F, L3400DT, for HST, L3400F, L3700SU, and more, ensuring a perfect match for your vehicle. 2、OEM Number: This cylinder seal kit meets OEM standards with the OEM number 7J266 63400, equating its quality and performance to the original factory seal kit. This assures exceptional installation and sealing results. 3、Durable Materials: Manufactured with durable plastic and rubber, this cylinder seal kit has excellent sealing and durability. It effectively prevents oil leaks and other damages, ensuring the normal operation of the hydraulic system. 4、Multifunctional Application: This cylinder seal kit can be used for the seals of hydraulic cylinder lift arms and bucket cylinders, ensuring the sealing performance of these key components and enhancing the efficiency and stability of the hydraulic system. 5、Enhancing System Efficiency: By using this seal kit, you are assured of improved performance as well as efficiency within the hydraulic system. This causes a prolonged lifespan for your equipment.