The Graco 16W508 Pump Repair and Rebuild Kit restores optimal performance of the pump lower by replacing all major wear components. Ideal for maintaining consistent pressure and flow in mortar pumps.
This rebuild kit is designed for heavy-duty Graco mortar and material pumps. Below is the confirmed compatibility list:
The Graco 16W508 Pump Repair and Rebuild Kit is engineered to restore the full performance of the pump lower assembly. It replaces worn internal components responsible for sealing, pressure stability and fluid control in heavy-viscosity material applications.
This kit includes essential wear parts such as packings, O-rings and hardened check balls, ensuring reliable operation and long-term durability of your pump system.
| Kit Type | Pump lower rebuild kit |
|---|---|
| Includes | Packings, seals, O-rings, check balls and internal wear components |
| Material Compatibility | Mortars, grouts and high-viscosity materials |
| Primary Purpose | Restores sealing, flow consistency and pressure performance |
| Pressure Rating | Designed for pump lowers rated up to approx. 1000 psi |
Material pumps operate under heavy load, and their internal seals and valves experience continuous wear. Rebuilding with genuine Graco components ensures performance, reduces downtime and prevents premature pump failure. This kit provides a complete internal refresh without the cost of a new pump lower.
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