

OEM Tuff Stack repair kit designed to rebuild HydraMix pump assemblies, restoring sealing integrity, pressure stability, and consistent fluid delivery in demanding applications.
| Compatible Equipment | Application |
|---|---|
| Graco HydraMix™ Displacement Pumps | Designed for rebuilding and servicing HydraMix displacement pump lower sections using Tuff Stack sealing components. |
| HydraMix™ Plural-Component Systems | Compatible with pump assemblies requiring the 248442 lower repair kit configuration. |
Review the equipment parts manual to verify proper fitment before ordering replacement components.
The Graco 248442 Kit, Repair, Tuff Stack Hyd Mix is a genuine OEM repair kit engineered for rebuilding and maintaining compatible HydraMix displacement pumps. Featuring durable Tuff Stack sealing technology, this kit helps restore pressure retention, sealing performance, and reliable fluid transfer within demanding industrial pumping applications.
As pump components wear over time, performance can decline due to leakage, pressure fluctuations, and reduced efficiency. Installing the correct Graco repair kit helps restore proper operation while extending the service life of critical pump assemblies.
Routine pump rebuilding helps maintain system reliability and prevent costly downtime. Replacing worn internal components with an OEM repair kit can help: