

The Graco 255530 Throat Seal Kit is a genuine replacement kit designed for Check-Mate® 250cc displacement pumps. It helps maintain a proper seal around the displacement rod, reducing leakage and supporting reliable pump performance.
The Graco 255530 Kit, Throat, L250CM/L250SM is a genuine replacement throat seal kit designed for Graco Check-Mate® 250cc displacement pumps. This kit contains the throat sealing components that help maintain proper sealing around the displacement rod, reducing leakage and supporting consistent pump performance. It is commonly used during routine maintenance and pump rebuild procedures to extend equipment service life and maintain operating efficiency.
The Graco 255530 Throat Seal Kit is designed for the following displacement pumps:
These pumps are commonly installed in industrial fluid handling systems, including:
| Part Number | 255530 |
|---|---|
| Product Type | Throat Seal Kit |
| Compatible Pumps | L250CM and L250SM |
| Pump Size | 250cc |
| Application | Replacement throat sealing components for displacement pumps |
| Manufacturer | Graco |
The throat seal assembly plays an important role in maintaining proper pump operation. Replacing worn throat seals can help:
| Part Number | Description |
|---|---|
| 255514 | Complete Seal Kit for L250CM |
| 255516 | Complete Seal Kit for L250SM |
| 255620 | Enclosed Wet Cup Seal Kit |
| 255574 | Displacement Rod Kit |
| 255598 | Cylinder Kit |
The Graco 255530 Kit, Throat, L250CM/L250SM is suitable for maintenance and repair of industrial pumping equipment used to transfer, dispense, and process a wide range of materials. Proper replacement of throat seals helps ensure dependable performance in demanding production environments.