Direct-fit Ball Stop Pin for the Graco T3 Transfer Pump. Helps maintain check-valve seal and consistent feed. Verify your pump is T3 (not T1/T2) before ordering.
This Graco 164250 Pin—also known as the Ball Stop Pin—is an internal component for the T3 Transfer Pump. If your proportioner is supplied by a T3 pump, this is the correct pin.
The Ball Stop Pin acts as a mechanical stop for the pump ball inside the fluid section, helping maintain proper check-valve operation and consistent material feed in the T3 Transfer Pump.
| Part Number | 164250 |
|---|---|
| Common Name | Ball Stop Pin / Pin |
| Primary Application | Graco T3 Transfer Pump (internal check-valve stop) |
| Typical Systems | Spray-foam / polyurea rigs where a T3 Transfer Pump supplies the proportioner (e.g., many Reactor packages) |
| Notes | Not used on T1/T2 pumps. Verify pump family and parts list before ordering. |
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