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Graco 105445 390 Ball Stainless Steel (0.5000 Inch) (Used)
PriceQuantity
105445-U
MPN:105445
Manufacturer:Available Stocks
- GRACO 390 : 1
Guaranteed safe & secure checkout
Graco 105445 390 Ball Stainless Steel 0.5000 Inch | Fully Inspected Used Component
The Graco 105445 390 provides a fully inspected used replacement stainless steel ball measuring exactly 0.5000 inches in diameter for critical check valve and fluid control applications in spray system components. This precision-ground ball bearing delivers reliable sealing performance and smooth operation within valve assemblies, offering cost-effective replacement solutions for maintenance and repair operations. Each stainless steel ball undergoes comprehensive inspection to verify dimensional accuracy, surface integrity, and spherical perfection before being made available. The corrosion-resistant 390 stainless steel construction and precision manufacturing ensure continued reliable performance, making it an economical choice for equipment owners seeking genuine Graco components with significant cost savings while maintaining system functionality and preventing fluid control failures during critical spraying operations and maintenance procedures.
Why Choose This Stainless Steel Ball
- Fully inspected to verify dimensional accuracy and surface quality
- Genuine Graco component ensures perfect fit and compatibility
- Cost-effective used replacement for Graco 105445 390
- Precision 0.5000 inch diameter for exact valve applications
Typical Compatibility
- Graco Ultra 395 495 695 check valve assemblies
- Graco Mark X5 X7 X10 fluid control systems
- Graco ProContractor 1095 ball valve mechanisms
- Replacement for sprayers requiring part 243715 243716
Compatible with Graco fluid systems requiring stainless steel ball part number 105445 390.
What It Fits
- Graco Ultra series check valve replacements
- Graco Mark X5 X7 X10 fluid control maintenance
- Equipment requiring Graco part number 105445 390
- ProContractor series valve assemblies 243719
If your equipment specifies Graco 105445 390, this fully inspected used stainless steel ball is the correct replacement.
Technical Specifications
| Part Number | Graco 105445 390 |
|---|---|
| Component Type | Stainless Steel Ball |
| Diameter | 0.5000 inches |
| Material | 390 Stainless Steel |
| Surface Finish | Precision Ground |
| Condition | Used - Fully Inspected |
| Tolerance | ±0.0005 inches |
| Brand | Genuine Graco |
Installation Notes
- Clean valve seat and housing thoroughly before installation
- Inspect mating surfaces for wear or damage
- Ensure ball moves freely within valve cavity
- Verify proper seating and sealing after assembly
- Test valve function before returning to service
Pro Tip: Always inspect valve seats and springs when replacing balls to ensure complete system functionality.
When to Replace Stainless Steel Balls
- Visible surface pitting or corrosion
- Out-of-round condition affecting sealing
- Scoring or damage to spherical surface
- During valve rebuilds or fluid system maintenance
Used vs New
| Feature | Used Graco | New Graco |
|---|---|---|
| Fit and Function | Direct replacement for 105445 390 | Original factory configuration |
| Dimensional Accuracy | Fully inspected to exact specifications | New component precision |
| Material Quality | Genuine 390 stainless steel | Factory material specification |
| Value | Significant cost savings | Premium pricing |
