

The Graco 166696 Stem Valve Ball is a genuine internal stem component used in specific Graco ball-valve assemblies to restore proper sealing and smooth fluid control.
This part is used inside specific Graco ball-valve assemblies. Only machines that use those valve bodies will accept the Graco 166696 Stem Valve Ball. Always confirm by checking your sprayer’s valve assembly part number in its service manual.
The Graco 166696 Stem Valve Ball is a genuine internal stem component used within select Graco ball-valve assemblies. It helps maintain smooth valve operation, proper sealing, and consistent fluid control in high-pressure applications. Since it is an internal part, confirming the correct valve body is essential before ordering.
| Part Number | 166696 |
|---|---|
| Part Type | Stem Valve Ball (Internal Component) |
| Used In | Specific Graco Ball Valve Assemblies (per Manual 306861) |
| Function | Controls internal fluid passage and sealing inside ball-valve assemblies |
This stem is essential for restoring proper valve movement and sealing inside compatible ball-valve systems. A worn stem can lead to restricted flow, internal leakage, or inconsistent pressure. Replacing it with the correct genuine part ensures optimal system reliability.
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