Komatsu
O-ring for Komatsu machinery
This O-ring is a mechanical sealing component designed to prevent fluid leakage within the hydraulic, pneumatic, and transmission systems of Komatsu equipment.
Specifications
- Part number
- 705-17-04382
- Brand
- Komatsu
The 705-17-04382 O-ring serves as a critical sealing element within the fluid management systems of various Komatsu machines. By creating a secure barrier between mating surfaces, this component prevents the loss of hydraulic oil, lubricants, or other pressurized fluids. It is installed within a precision-machined groove where it undergoes compression to maintain a hermetic seal, effectively containing fluids and preventing external contaminants from entering the internal circuits of the machine.
This part is compatible with a wide range of Komatsu construction, mining, and forestry equipment, including excavators, wheel loaders, and bulldozers. It is engineered to meet the specific dimensional requirements of Komatsu assemblies to ensure proper fitment and compression. As a toroidal seal, it functions by maintaining contact pressure against the walls of its housing, which is necessary for the integrity of hydraulic cylinders, valves, and pump connections. Proper installation of this seal is essential for maintaining system pressure and preventing the operational inefficiencies associated with fluid loss. Regular inspection of these seals is standard practice during routine maintenance to ensure the continued performance of the hydraulic and transmission systems.

