Graco 164741 Air Piston for Double/Single Acting Spray Gun
Direct-fit Graco 164741 Piston, Air for select Single-Acting and Double-Acting spray guns—restores smooth, reliable air actuation.
- Fits: 238377 (Single-Acting), 24G980 (Double-Acting)
- System: RoadLazer RoadPak line-striping applications
- Function: Air-driven piston for precise on/off control
- OEM replacement: 164741 (piston only)
Compatible Machines
- Graco 238377 — Single-Acting Paint Spray Gun
- Graco 24G980 — Double-Acting Paint Spray Gun
Product Overview
The Graco 164741 Piston, Air is the air-actuated piston used inside select Graco spray guns (both Single-Acting and Double-Acting variants). It is commonly used with guns supplied in the RoadLazer RoadPak line-striping system. The piston converts compressed air into linear motion to reliably open/close the gun’s fluid mechanism.
What It Does
- Provides the air-driven actuation force for precise trigger response.
- Supports consistent on/off control for even paint application.
- Direct replacement for worn or damaged pistons to restore factory performance.
Part Details
| Attribute | Detail |
|---|---|
| Part Number | 164741 |
| Item Name | Piston, Air |
| Fits Gun Types | Single-Acting & Double-Acting spray guns |
| Known Compatible Models | Graco 238377 (Single-Acting), Graco 24G980 (Double-Acting) |
| System Use | Road-marking / line-striping (e.g., RoadLazer RoadPak) |
Installation & Tips
- Depressurize air and fluid before service; follow the gun manual procedures.
- Inspect seals and the cylinder bore when replacing the piston; replace worn seals as needed.
- Lightly lubricate moving surfaces with manufacturer-approved lubricant during reassembly.
Frequently Asked Questions
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