Titan part 759-384 is a piston assembly designed for the PowrLiner 800 lining system. This assembly includes the piston, seals, and associated components that create the pumping action to move material through the sprayer. Replacing a worn or damaged piston assembly restores consistent pressure, improves priming, and eliminates bypass or loss of output.
| Part Number | 759-384 |
|---|---|
| Part Description | Piston Assembly |
| Brand | Titan |
| Fits | PowrLiner 800 |
| Condition | New |
The Titan 759-384 Piston Assembly is a complete, factory‑assembled replacement piston unit for the PowrLiner 800 lining machine. It contains the piston rod, seals, and wear components that generate the high‑pressure pumping action required to apply protective coatings, linings, and sealants. This assembly is critical for maintaining consistent material flow, proper pressure, and reliable operation.
Over time, the piston seals can wear, the rod can become scored, or internal components may fatigue, leading to loss of pressure, difficulty priming, or erratic spray patterns. Replacing the entire piston assembly restores the pump to original performance without the need to diagnose individual seal failures. Using genuine Titan parts ensures a precise fit, correct seal materials, and long service life.
| Creates pumping pressure | Converts motor rotation into fluid pressure for spraying |
|---|---|
| Seals fluid section | Prevents material bypass and maintains consistent output |
| Drives material flow | Moves coating from the pump to the gun and tip |
| Loss of pressure / output | Sprayer runs but material output is weak or nonexistent |
|---|---|
| Hard to prime | Pump will not draw material or loses prime easily |
| Visible wear / scoring | Piston rod shows grooves, nicks, or seal damage |
| During major pump service | Replace piston assembly when rebuilding the fluid section |
Part 759-384 is compatible with the following Titan equipment. Always verify fitment using the correct parts diagram for your exact model and serial number.
| Model | Component Application |
|---|---|
| PowrLiner 800 | Piston assembly (pump fluid section) |
When replacing the piston assembly, these components are often inspected or replaced at the same time to ensure complete pump restoration.
Inspect the cylinder bore for scoring or wear that could affect seal life.
Worn valves can mimic piston failure; inspect and replace as needed.
Replace all seals in the fluid section to prevent future leaks.
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