Grove
O-ring for Grove RT 522
This O-ring is a sealing component designed to prevent fluid leakage in the hydraulic systems of Grove RT 522 and TR522 cranes.
Specifications
- Part number
- 9904103997
- Brand
- Grove
The 9904103997 O-ring serves as a critical sealing element within the hydraulic systems of Grove heavy machinery. Its primary function is to establish a secure, airtight seal between two mating surfaces, effectively preventing the escape of pressurized hydraulic fluids or gases. By maintaining this seal, the component helps preserve the integrity of the hydraulic circuit, which is necessary for the consistent operation of the crane's various mechanical functions.
This component is specifically compatible with Grove RT 522 and TR522 rough-terrain crane models. It is installed within designated grooves in the hydraulic assembly to ensure a precise fit and reliable sealing performance under operational pressures. Proper installation and periodic inspection of such seals are standard maintenance procedures to avoid pressure loss or fluid contamination.
In general engineering applications, an O-ring functions as a gasket that deforms under compression to fill the gap between components. This type of seal is commonly employed in hydraulic, pneumatic, fuel, and cooling systems across various types of heavy equipment to maintain system pressure and prevent external leakage.

