The Bobcat Hydraulic Cylinder Seal Kit 7137939 is a high-quality replacement part for Bobcat A300, A770, S250, S300, S330, S630, S650, S750, S770, T300, T320, T630, T650, T750 tractors. This kit includes all the necessary seals and O-rings to repair hydraulic cylinder leaks, ensuring optimal performance and preventing hydraulic fluid leakage. The OEM part numbers 6816536 and 7137939 ensure a perfect fit for your Bobcat tractor. The rod measures 1 5/8" and the bore measures 3", making it suitable for a variety of Bobcat models. When you purchase this package, you will receive 1 Cylinder Seal Kit to get your tractor back up and running smoothly.