CAT Pumps 33057 Valve Kit - 5720
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The Cat Pumps 33057 is a genuine OEM valve kit for Cat plunger pumps. The check valves open and close with every plunger stroke. They let water into each cylinder on the intake stroke and push it out under pressure on the discharge stroke, keeping flow moving in one direction. Debris, hard-water scale, and normal wear can keep the valves from seating fully. The usual result is pressure loss, a pulsing or uneven spray, rough running, or a pump that won’t build full pressure. A fresh valve kit restores tight sealing and smooth, steady output for far less than the cost of a new pump.
Key features:
- Genuine OEM Cat Pumps valve kit (33057)
- Restores proper valve sealing in the pump manifold
- Fixes pressure loss, pulsing, and uneven spray