Hydraulic Seal Kit - Backhoe Dipper Cylinder Case 580 26B 26B 450 450B 32 32 W18 26D 26D 1450 W36 26S 26S 34 34 455C 1150 450C 580F 33 33 W14 680E 35 35 310G W14H 580C 26 26 W18B W20 850 26C 26C 580B Fits Case Construction & Industrial(s) W14, W14H, W18, W18B, W20, W36, 310G, 450, 450B, 450C, 455C, 580, 580B, 580C, 580F, 680E, 850, 1150, 1450 Fits Case Loader / Backhoe Attachments(s) 26, 26B, 26C, 26D, 26S, 32, 33, 34, 35 Replaces OEM nos 1543271C1 Rod: 2" Bore: 4"