Replacement Valve Assembly.
Item #2 on exploded diagram
Suits:
| Shurflo Series | Model |
|---|---|
| 4128 | Shurflo Aqua King Junior II |
| 4138 | Shurflo Aqua King Standard |
| 4148 | Shurflo Aqua King II Premium 4.0 |
| 4158 | Shurflo Aqua King II Supreme 5.0 |
| 4158 | Shurflo High Flow System |
| 4238 | Shurflo Blaster II |
| 4248 | Shurflo Pro Blaster II Deluxe 4.0 |
| 4258 | Shurflo Pro Blaster II Ultimate 5.0 |
| 4258 | Shurflo High Flow System |
| 4648 | Shurflo Pro BaitMaster II 4.0 |