

Helix part 0533905 is a pipe thread cap used to seal unused threaded ports on Helix LP sprayer components such as pumps, manifolds, or filters. This cap prevents fluid leaks, keeps contaminants out, and maintains system pressure. Replace a damaged, cross-threaded, or missing pipe thread cap to ensure a secure seal and reliable operation.
| Part Number | 0533905 |
|---|---|
| Part Description | Pipe Thread Cap |
| Brand | Helix |
| Fits | Helix LP |
| Condition | New |
The 0533905 pipe thread cap is an OEM threaded sealing component used to close unused ports on Helix LP sprayer pumps, manifolds, filters, and other fluid system components. It provides a positive seal to prevent fluid leaks and keep dirt, debris, and moisture out of the system.
Over time, caps can become damaged from over-tightening, cross-threading, or corrosion. A missing or damaged cap can lead to fluid loss, pressure drops, or contamination of the system. Replacing it with this genuine Helix cap restores a proper seal and ensures system integrity.
| Port sealing | Closes unused threaded openings to prevent leaks |
|---|---|
| Contamination prevention | Keeps dirt, debris, and moisture out of the system |
| Pressure retention | Maintains system pressure by sealing off unused ports |
| Stripped / damaged threads | Cap no longer threads on securely |
|---|---|
| Cracked / broken | Visible damage compromises sealing ability |
| Corroded / degraded | Material deterioration affects integrity |
| Missing | Cap lost during service or operation |
Part 0533905 is specifically designed for the Helix LP sprayer. Always verify fitment and application by consulting your machine's parts manual.
| Model | Component |
|---|---|
| Helix LP | Pipe thread cap |
When replacing a pipe thread cap, inspect these associated components for wear or damage.
Some caps use O-rings for sealing; inspect and replace if compressed or damaged.
Check that the threads in the component are clean and undamaged.
Inspect other seals in the same area for signs of leakage or wear.