

Restore a worn pump throat seal with this OEM repair kit featuring a durable UHMWPE and leather packing combination for reliable sealing and extended service life.
| Compatible Equipment | Compatibility |
|---|---|
| Graco High-Flo Pumps | Supported on applicable High-Flo lower pump assemblies using throat packing kit 277357. |
| Graco Viscount I+ Pumps | Compatible with supported Viscount I+ pump models specified for 277357 throat packing kits. |
| Selected Graco NXT Supply Pumps | Fits applicable NXT lower assemblies that specify part 277357 in the service manual. |
The Graco 277357 Kit, Repair, Throat, UHMWPE/Leather is a genuine OEM throat packing repair kit designed to restore sealing performance in compatible Graco pump lower assemblies. It combines durable UHMWPE and leather packings to provide reliable sealing, minimize fluid leakage, and extend pump service life under demanding operating conditions.
This repair kit is intended for scheduled maintenance or rebuilding worn pump lowers. Replacing throat packings helps maintain proper pump efficiency, reduces downtime, and protects internal components from premature wear.