Hydraulic Log Splitter Cylinder Rebuild Seal Kit 4.0" Bore x 1.75" Rod Cylinder. 1 x Hydraulic Log Splitter Cylinder Rebuild Seal Kit. Nylon Piston wear ring: 101.6 mm (OD 4.0”) x 95.25mm(ID 3.75”) x 9.5mm (0.375” wide), Nylon Rod wear ring: 44.5mm (ID 1.752”) x 50.8mm (OD 2”) x 9.53mm (0.375” wide), Piston Square ring: 101.6 mm x91.6mm x 3.28mm(CPU), Piston O-ring (installed under the square ring): 103mm x 2.65mm(NBR), Rod O-ring: 44.5mm x 54mm x 5mm(CPU), Rod dust ring: 44.5mm x 54mm 5.5mm /7.3mm(TPU), Gland O-ring: 92.5mm x 5.3mm(NBR), Rod and piston assembly O-ring: 26.5mm x 2.65mm(NBR).
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