

Replacement air-cylinder cap for selected Graco air-operated spray guns. Use when servicing the gun’s air cylinder to restore smooth and reliable spray performance.
This Graco 166848 Cap Cylinder fits selected Graco air-operated spray guns. Below is the confirmed compatibility list based on official parts manuals.
The Graco 166848 Cap Cylinder is a genuine OEM air-cylinder cap designed for specific Graco industrial and finishing spray guns. It secures the internal piston assembly, spring, and seals within the gun’s air-cylinder housing, ensuring proper cycling and reliable spray performance.
| Part Number | 166848 |
|---|---|
| Description | Cap, Cylinder / Air Cylinder Cap |
| Application | Used in specific Graco air-operated spray guns |
| Replacement Type | OEM – Genuine Graco |