

Part 0509542 is a siphon tube used on select Advantage and SprayTech GPX series airless paint sprayers. The siphon tube draws coating material from the supply container into the pump inlet, supporting reliable priming and consistent material flow.
Components included:
| Part Number | 0509542 |
|---|---|
| Part Description | Siphon Tube |
| Function | Material pickup / pump supply |
| Fits | Advantage & SprayTech GPX Series (130 and 1250) |
| Condition | New |
The 0509542 Siphon Tube is a fluid pickup component used on Advantage GPX 130 and SprayTech GPX series airless paint sprayers. It delivers coating material from the supply container to the pump inlet, allowing proper priming and steady operation.
A damaged, cracked, or obstructed siphon tube can introduce air into the system, resulting in priming difficulty or inconsistent spray output. Replacing the siphon tube restores reliable suction and material delivery.
| Material pickup | Draws coating material into the pump inlet |
|---|---|
| Air exclusion | Helps prevent air ingestion during operation |
| Flow support | Maintains steady material delivery |
| Priming issues | Loss of suction or air intake |
|---|---|
| Physical damage | Cracks, wear, or deformation |
| Blockage | Restricted material flow |
| Preventive service | During fluid system maintenance |
Part 0509542 is compatible with the following airless paint sprayers. Always confirm placement using the appropriate parts diagram.
| Sprayer Model | Component |
|---|---|
| Advantage GPX 130 | Siphon tube |
| SprayTech GPX 130 | Siphon tube |
| SprayTech GPX 1250 | Siphon tube |