

The genuine Graco 104130 Packing O-Ring seals the air-valve in NXT and Xtreme XL air motors to prevent air leaks and mis-cycling.
The genuine Graco 104130 Packing O-Ring is a small elastomer seal used inside the air-valve/solenoid section of select Graco air motors. It helps maintain reliable switching and prevents air leakage in the valve module.
Install the 104130 O-Ring on machines that use the relevant Xtreme XL or NXT air-motor air-valve assembly (confirm in your parts manual):
| Part Number | 104130 |
|---|---|
| Official Name | Packing O-Ring (air-valve/solenoid section) |
| Primary Function | Seals the air-valve passage to prevent leaks and mis-cycling of the air motor. |
| Assembly Location | Air-motor air-valve module (NXT / Xtreme XL families). |
| When to Replace | Air leaks at valve, erratic motor switching, flattened/cracked O-ring during inspection. |
| Notes | Always verify against your unit’s parts manual or motor plate before ordering. |