

Part number 590-100 is a retaining ring used to secure components in place within compatible sprayer systems. This ring fits into a groove to hold parts such as bearings, gears, or shafts in position. Replacing a lost or damaged retaining ring ensures that critical components remain properly seated during operation.
| Part Number | 590-100 |
|---|---|
| Part Description | Retaining Ring |
| Fits | 0537810I_GB_D_F (1); hydrax 4540 - 7230; Power Beast; PowerBeast; PowrTex 15-1; PowrTex 6900SF, 12000SV 0528919D; PowrTex 6900SF, 12000SV; PowrTwin 4900 , 6900 , 8900, 12000 Plus; PowrTwin 4900 XLT; PowrTwin 4900GH; PowrTwin 6900 , 12000 Plus DI; PowrTwin 6900 XLT DI; PowrTwin 6900 XLT; PowrTwin 6900GH; PowrTwin 8900GH; PowrTwin 12000 GHD; PowrTwin 12000 Plus DI service; PowrTwin 12000 XLT DI; PowrTwin 12000 XLT; PowrTwin 12000GH; PowrTwin 12000GHD; PowrTwin TM 8900 XLT |
| Condition | New |
The 590-100 retaining ring is a small but critical fastener used to secure components within the assembly of compatible sprayer systems. It is specifically designed for use with 0537810I_GB_D_F (1); hydrax 4540 - 7230; Power Beast; PowerBeast; PowrTex 15-1; PowrTex 6900SF, 12000SV 0528919D; PowrTex 6900SF, 12000SV; PowrTwin 4900 , 6900 , 8900, 12000 Plus; PowrTwin 4900 XLT; PowrTwin 4900GH; PowrTwin 6900 , 12000 Plus DI; PowrTwin 6900 XLT DI; PowrTwin 6900 XLT; PowrTwin 6900GH; PowrTwin 8900GH; PowrTwin 12000 GHD; PowrTwin 12000 Plus DI service; PowrTwin 12000 XLT DI; PowrTwin 12000 XLT; PowrTwin 12000GH; PowrTwin 12000GHD; and PowrTwin TM 8900 XLT models. The ring is engineered to snap into a precision-machined groove on a shaft or inside a bore, holding parts such as bearings, gears, or seals in their proper axial position. This prevents unwanted movement that could lead to misalignment, wear, or component failure. The retaining ring is typically made from spring steel, allowing it to be compressed for installation and then expand to grip the groove securely. Over time, retaining rings can become weak, deformed, or lost during disassembly for cleaning or repair. A missing or damaged ring can lead to loose parts, misalignment, and poor performance. Symptoms of a faulty retaining ring include components that feel loose, unusual noise or vibration, or visible displacement of parts from their proper position. Replacing a worn or missing ring with this genuine part restores the secure fit of internal components. It is a simple and inexpensive fix that ensures the sprayer operates reliably. When installing, care should be taken to fully seat the ring in the groove and to avoid overstretching. Using the correct retaining ring maintains the integrity and safety of the equipment.
| Component retention | Holds bearings, gears, or shafts in place |
|---|---|
| Axial positioning | Maintains correct location of parts |
| Vibration resistance | Prevents loosening during operation |
| Missing ring | Ring lost during cleaning or disassembly |
|---|---|
| Deformation | Ring bent or stretched, no longer holds tension |
| Loose components | Parts feel loose or move out of position |
| Corrosion or weakness | Ring shows rust or has lost spring action |
Part number 590-100 is compatible with the following sprayer models. Always verify using your equipment's serial number and parts manual.
| Series | Specific Models |
|---|---|
| Model | 0537810I_GB_D_F (1) |
| Hydrax | 4540 - 7230 |
| Power Beast | Standard, PowerBeast |
| PowrTex | 15-1; 6900SF/12000SV 0528919D; 6900SF/12000SV |
| PowrTwin | 4900, 6900, 8900, 12000 Plus; 4900 XLT; 4900GH; 6900, 12000 Plus DI; 6900 XLT DI; 6900 XLT; 6900GH; 8900GH; 12000 GHD; 12000 Plus DI service; 12000 XLT DI; 12000 XLT; 12000GH; 12000GHD; TM 8900 XLT |
When replacing the retaining ring, inspecting these associated components can help ensure a complete repair.
Often secured by ring; check for wear.
Inspect groove for damage or wear.
Check parts that ring secures for damage.