Graco 4425 Valve Stem Lock Nut 3 Pack
The Graco 4425 Valve Stem Lock Nut 3 Pack is a genuine replacement part used to secure the valve stem in compatible Graco spray guns and sprayers, helping maintain proper valve alignment and consistent spray performance.
- Genuine Graco replacement lock nut set
- Designed for valve stem retention in spray equipment
- Helps prevent loosening, leaks, and spray inconsistency
- Supplied as a convenient 3 pack for maintenance and repairs
Compatible Machines
- Graco Airless Spray Guns (models using valve stem lock nut #4425)
- Graco Manual & Automatic Spray Guns with compatible valve stem assemblies
- Selected Graco Airless Paint Sprayers with serviceable valve stem systems
The Graco 4425 Valve Stem Lock Nut 3 Pack is a genuine replacement hardware set designed to securely fasten the valve stem within compatible Graco spray gun and sprayer valve assemblies. These lock nuts play a critical role in maintaining proper valve alignment, preventing loosening caused by vibration, pressure fluctuation, or extended operation.
This pack includes three precision-manufactured lock nuts, making it ideal for routine maintenance, servicing, or keeping spares on hand to reduce equipment downtime. Properly secured valve stems help ensure consistent fluid control, reduce leakage risk, and support smooth spray performance.
Key Features
| Part Number | 4425 |
|---|---|
| Product Type | Valve Stem Lock Nut |
| Pack Quantity | 3 Pieces |
| Application | Valve stem retention in spray guns and sprayers |
| Manufacturer | Graco |
Why Use This Part
- Helps prevent valve stem loosening during operation
- Supports consistent spray control and fluid regulation
- Ideal for maintenance, repairs, or rebuilds
- Genuine Graco part for proper fit and durability
Frequently Asked Questions
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