Hydra part 2420803 is a fluid section service kit designed for Hydra X 4540 and X 7230 sprayers. This kit combines PTFE and leather sealing components to deliver exceptional chemical resistance and self‑lubricating properties, ensuring a long‑lasting, reliable seal in the fluid section. Replacing the fluid section with this kit restores pumping efficiency, maintains consistent pressure, and extends equipment life.
| Part Number | 2420803 |
|---|---|
| Part Description | Fluid Section Service Kit (PTFE, Leather) |
| Brand | Hydra |
| Fits | Hydra X 4540, Hydra X 7230 |
| Condition | New |
The Hydra 2420803 Fluid Section Service Kit is a genuine OEM rebuild kit engineered specifically for Hydra X 4540 and X 7230 sprayers. It combines advanced PTFE (polytetrafluoroethylene) seals with traditional leather V‑packings to deliver superior sealing performance, chemical resistance, and self‑lubrication. This unique combination ensures long service life even when spraying abrasive or aggressive coatings.
Over time, seals and packings wear, leading to pressure loss, material bypass, and inconsistent spray patterns. This service kit provides all the necessary components to restore the fluid section to like‑new condition. The PTFE components offer excellent chemical compatibility, while the leather packings naturally retain lubricant to reduce friction and extend component life.
| PTFE seals | Chemical‑resistant seals for critical fluid passages |
|---|---|
| Leather V‑packings | Self‑lubricating packings for long‑lasting piston seal |
| Valve components | Inlet and outlet valve seats, balls, springs |
| Gaskets & hardware | Mounting gaskets and necessary retaining hardware |
| Pressure loss | Inability to maintain consistent operating pressure |
|---|---|
| Material bypass | Fluid leaking internally, reducing output |
| Erratic spray pattern | Inconsistent material delivery due to worn components |
| Preventative maintenance | Proactive rebuild after recommended hours of operation |
Hydra part 2420803 is compatible with the following sprayer models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Model | Component |
|---|---|
| Hydra X 4540 | Fluid Section Service Kit (PTFE, Leather) |
| Hydra X 7230 | Fluid Section Service Kit (PTFE, Leather) |
When performing a fluid section rebuild, it is also common to inspect or replace these additional components.
Inspect the connecting rod, bearings, and seals that drive the fluid section.
Replace or clean the inlet strainer to prevent debris from damaging new components.
Verify pressure reading accuracy after rebuild.
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