Part number 174-102 is a ball cage designed to retain and guide check balls within the pump or fluid section on compatible Admiral and Commander equipment. This precision‑machined component ensures proper ball seating and movement, maintaining efficient check valve operation for consistent fluid flow and pressure. Replacing a worn, cracked, or damaged ball cage restores proper valve function, prevents fluid bypass, and ensures reliable pump performance.
| Part Number | 174-102 |
|---|---|
| Part Description | Ball Cage |
| Brand | Admiral / Commander |
| Fits | Admiral: 830-331, 860-451, 830-451, 941-441; Commander: 741-440, 761-301, 761-411, 741-331 |
| Condition | New |
The 174-102 Ball Cage is a critical component within the check valve assembly of compatible Admiral and Commander pumps. It houses and guides the check ball, allowing it to seat properly during the pressure stroke and lift during the suction stroke. This precise movement is essential for maintaining one‑way fluid flow and building consistent pressure.
Over time, ball cages can become worn, cracked, or corroded due to constant impact from the ball, chemical exposure, or fatigue. A damaged cage can allow the ball to misalign, stick, or fail to seat, resulting in fluid bypass, pressure loss, and erratic pump operation. Replacing the ball cage restores proper ball guidance, ensures reliable check valve action, and maintains pump efficiency.
| Ball retention | Holds the check ball in proper alignment within the valve |
|---|---|
| Guidance | Ensures the ball moves freely and seats correctly |
| Flow control | Maintains one‑way fluid direction for efficient pumping |
| Visible wear / scoring | Grooves or wear marks inside the cage |
|---|---|
| Cracks / breakage | Visible cracks compromising cage integrity |
| Corrosion / pitting | Rust or chemical attack affecting the cage |
| During valve overhaul | Always replace cage when rebuilding check valves |
Part number 174-102 is compatible with the following equipment models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Brand | Model Number | Component |
|---|---|---|
| Admiral | 830-331 | Ball Cage |
| 860-451 | Ball Cage | |
| 830-451 | Ball Cage | |
| 941-441 | Ball Cage | |
| Commander | 741-440 | Ball Cage |
| 761-301 | Ball Cage | |
| 761-411 | Ball Cage | |
| 741-331 | Ball Cage |
Ball cage issues may involve associated components. When servicing the ball cage, these parts are commonly inspected or replaced at the same time.
Inspect balls for wear, scoring, or deformation; replace as a set with the cage.
Check seats for wear or damage that could affect sealing.
Replace seals in the valve assembly to prevent external leaks.
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