Cylinder Seal Kit 137-3661 for C.A.T 320B & 320BL Excavators The 137-3661 Cylinder Seal Kit is a complete hydraulic cylinder sealing solution engineered for C.A.T 320B and 320BL excavators. Manufactured from PTU and HRU materials, this kit delivers reliable performance under oil exposure, high pressure, and high temperature operating conditions — ideal for construction works, machinery repair shops, and equipment maintenance programs. Product Specifications Product NameCylind
Cylinder Seal Kit 137-3661 for C.A.T 320B & 320BL Excavators The 137-3661 Cylinder Seal Kit is a complete hydraulic cylinder sealing solution engineered for C.A.T 320B and 320BL excavators. Manufactured from PTU and HRU materials, this kit delivers reliable performance under oil exposure, high pressure, and high temperature operating conditions — ideal for construction works, machinery repair shops, and equipment maintenance programs. Product Specifications Product NameCylind