Wide Application For Rod: 1.25” and Bore: 2”. Interchange Part Numbers: 6803329, 7137769. Fits for Bobcat models 444, 500, 520, 530, 533, 540, 542B, 543, 600, 610, 620, 630, 642, 642B, 643, 700, 720, 721, 722, 730, 731, 732, 741, 742, 742B, 743, 743B, 743DS, 751, 753 etc. Strong Function The high-quality Hydraulic Cylinder Seal Kit can maintain tightness of the hydro-motor transmission part. The kit can perfectly replace your broken seal. Superior Material This Hydraulic Lift Cylinder Seal Kit is made of high-quality rubber and steel. With lightweight, strong durability, corrosion resistance performance. Better quality allows the items to be used for a longer time. .