

Part 0293928 is a gas cap assembly used on the PowrLiner 550 to seal the fuel tank and maintain proper ventilation. The assembly helps prevent fuel leakage, reduces contamination, and supports safe, consistent engine operation during striping applications.
| Part Number | 0293928 |
|---|---|
| Part Description | Gas Cap Assembly |
| Function | Fuel tank sealing / ventilation |
| Fits | PowrLiner 550 |
| Condition | New |
The 0293928 Gas Cap Assembly is designed for the PowrLiner 550 to securely seal the fuel tank while allowing proper venting. A correctly functioning gas cap is essential for preventing fuel spills, keeping contaminants out of the tank, and maintaining steady engine performance.
A worn, cracked, or improperly vented gas cap can lead to fuel leakage, vapor loss, or engine running issues caused by improper tank pressure. Replacing the gas cap assembly restores proper sealing and ventilation.
| Fuel sealing | Prevents fuel spills and evaporation |
|---|---|
| Tank ventilation | Allows proper airflow into the fuel tank |
| Contamination protection | Keeps dirt and debris out of the fuel system |
| Fuel leakage | Gas smell or visible fuel around the tank |
|---|---|
| Vent failure | Engine stalling or fuel starvation |
| Physical damage | Cracked, broken, or worn cap |
| Routine service | During fuel system inspection |
Part 0293928 is compatible with the following striping machine. Always verify fuel system configuration using the appropriate parts diagram.
| Machine Model | Component |
|---|---|
| PowrLiner 550 | Gas cap assembly |
Gas cap replacement is often paired with inspection of other fuel system components.
Inspect tank neck for cracks or deformation.
Clean fuel helps protect the engine.
Check for cracks or leaks near the tank.