Plunger Assembly 304399 Waterjet Pump Parts For Sale
Plunger Assembly 304399 WaterJet Pump Parts For Sale
The Plunger Assembly 304399 is a core high-pressure component engineered for Waterjet Intensifier Pumps. It’s responsible for converting hydraulic energy into the ultra-high-pressure water flow that powers precision cutting systems. Built with premium stainless steel and ceramic-coated plunger technology, the 304399 assembly delivers exceptional durability, sealing performance, and pressure consistency, even under continuous 24-hour industrial operation.
Designed and manufactured to OEM-level precision, the Plunger Assembly 304399 ensures perfect alignment, low friction, and minimal wear on seals and packing components. It is capable of handling pressures up to 60,000 psi (4,100 bar), making it ideal for demanding abrasive waterjet cutting, metal fabrication, stone processing, and glass cutting applications.
This plunger assembly is fully compatible with major waterjet brands such as KMT, FLOW, OMAX, WSI, and BFT, ensuring reliable fitment and easy replacement without modification.













