Graco 105445 BALL (.5000)
- Diameter: 0.5000 inches (approximately 12.7 mm).
- Material: High-grade stainless steel (390 grade mentioned by some sources) for corrosion resistance and durability under high pressure.
- Function: Acts as a check/inlet ball within the fluid section to control liquid flow and ensure precise sealing.
- Installation: Typically rated as an “easy” repair taking less than 15 minutes, often requiring only pliers.
- Genuine OEM
- This part is commonly used in various Graco airless sprayers and pump assemblies, including:








