Komatsu
Piston seal for Komatsu 450
This piston seal fits the hydraulic cylinders of the Komatsu 450. It maintains the necessary pressure differential across the piston to generate mechanical force.
Compatible models
Specifications
- Part number
- 421-33-11480
- Brand
- Komatsu
The piston seal 421-33-11480 functions as a critical sealing element within the hydraulic cylinders of Komatsu 450 machinery. It creates a barrier between the two chambers of the cylinder, allowing hydraulic fluid pressure to act upon the piston to produce force. By preventing fluid bypass, this component ensures that the actuator maintains its intended power and operational efficiency during use.
This component is designed for the Komatsu 450 model. It is engineered to seat within the piston groove and maintain contact with the cylinder wall to prevent internal fluid leakage. Proper installation and integrity of this seal are required to ensure the hydraulic system converts fluid pressure into mechanical movement effectively.
Piston seals are used in hydraulic cylinders to separate the high-pressure and low-pressure sides of the piston. When these seals wear or lose their sealing properties, the cylinder may experience internal leakage, which often results in reduced force, sluggish response, or the inability to hold a load in a fixed position. Maintaining the integrity of the hydraulic seal is necessary for the consistent operation of heavy machinery systems.

