OEM air valve spray cap engineered to protect the air valve assembly and maintain consistent pneumatic performance in compatible Graco spray equipment.
| Compatible Machines | Application |
|---|---|
| Graco **Reactor** spray foam spray guns using the corresponding air valve assembly | Replacement air valve spray cap |
| Selected **Graco Fusion** spray gun assemblies that specify Part 557498 | Air valve service and maintenance |
| Equipment using the original Graco 557498 part number | OEM replacement component |
The Graco 557498 Cap, Air Vlv Spray is a genuine OEM replacement cap designed for the spray air valve assembly in compatible Graco spray foam equipment. It helps retain and protect the air valve components while supporting consistent pneumatic operation of the spray gun. Replacing a worn or damaged cap helps maintain dependable air valve performance and proper equipment function during demanding spraying applications.
A damaged or worn air valve cap can affect the operation of the spray gun's pneumatic system. Installing the correct OEM replacement helps preserve proper air valve alignment, protects internal components, and contributes to consistent spraying performance while minimizing unnecessary downtime.
