

The Graco 4402-G Diffuser T.C. Seat/G Thread is a precision internal spray gun component designed to regulate fluid flow and safely disperse pressure for consistent spray performance.
The Graco 4402-G Diffuser T.C. Seat/G Thread is a precision-engineered internal component designed for use in Graco airless spray guns. This diffuser plays a critical role in controlling and directing fluid flow through the spray gun, ensuring consistent spray performance and safe pressure dispersion.
Manufactured to Graco’s exact specifications, this diffuser features a durable tungsten carbide (T.C.) seat and a G-thread design for secure installation within compatible spray guns. It is commonly replaced during routine maintenance or when restoring proper spray pattern control.
| Part Number | 4402-G |
|---|---|
| Component Type | Diffuser with T.C. Seat |
| Thread Type | G Thread |
| Material | Tungsten Carbide Seat with Metal Body |
| Application | Airless Spray Gun Internal Fluid Control |