PowrLiner / Elite part 9904307 is a plug designed to seal ports, openings, or threaded holes on compatible sprayer models. This component prevents fluid leaks, keeps contaminants out, and maintains system pressure in sealed cavities. Replacing a worn, damaged, or missing plug restores proper sealing and ensures reliable operation.
| Part Number | 9904307 |
|---|---|
| Part Description | Plug |
| Brand | PowrLiner / Elite |
| Fits | PowrLiner 4500, 3000, 3500 72v (Honda GXE), 3500s (Suffixed Unit), 3500s, 3500 72v, 5500; Elite 3000, 3500 72v, 3500, 5500 |
| Condition | New |
The 9904307 Plug is a precision sealing component designed to close ports, openings, or threaded holes on compatible PowrLiner and Elite sprayer models. It prevents fluid leaks, blocks contaminants from entering the system, and maintains pressure in sealed cavities.
Plugs are used throughout sprayer systems in various applications, including sealing unused ports on pump heads, closing access holes in housings, and capping fluid passages during maintenance or transport. They must provide a reliable seal under operating conditions while resisting corrosion and chemical attack from coatings and solvents. Over time, plugs can become worn at sealing surfaces, develop cracks from overtightening or thermal cycling, or become corroded. A damaged or missing plug can cause fluid leaks, pressure loss, and contamination of internal components. Replacing worn or damaged plugs restores system integrity and ensures reliable operation.
| Port sealing | Closes unused openings in the fluid system |
|---|---|
| Contamination prevention | Blocks dirt and debris from entering sealed cavities |
| Pressure containment | Helps maintain system pressure in sealed areas |
| Fluid leaks | Material escaping around the plug |
|---|---|
| Worn threads | Threads damaged and cannot seal properly |
| Cracks / damage | Visible cracks in the plug body |
| Missing plug | Plug lost, leaving opening exposed |
Part 9904307 is compatible with the following sprayer models. Always verify fitment using your equipment's parts diagram before ordering.
| Model | Component |
|---|---|
| PowrLiner 4500 | Plug |
| PowrLiner 3000 | Plug |
| PowrLiner 3500 72v (Honda GXE) | Plug |
| PowrLiner 3500s (Suffixed Unit) | Plug |
| PowrLiner 3500s | Plug |
| PowrLiner 3500 72v | Plug |
| PowrLiner 5500 | Plug |
| Elite 3000 | Plug |
| Elite 3500 72v | Plug |
| Elite 3500 | Plug |
| Elite 5500 | Plug |
When replacing plugs, these associated components are often inspected or replaced at the same time.
Check sealing elements that work with the plug; replace if worn.
Inspect the threaded hole or port for damage.
Use fresh thread sealant during installation to ensure a proper seal.
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