Graco 220587 Pump Seal Repair Kit Overview
The Graco 220587 Pump Seal Repair Kit is a genuine Graco maintenance kit designed to restore proper sealing performance in Medium-Volume High-Flo piston pumps. This kit includes precision-engineered packings, seals, O-rings, and gaskets required to prevent fluid leakage, maintain correct pressure, and extend overall pump life. It is ideal for routine servicing and complete pump resealing during maintenance or overhaul.
Compatible Machines
- Graco Bulldog 4:1 Ratio Pumps – Models 220577, 220578
- Graco Senator 2.5:1 Ratio Pumps – Models 220567, 220570
- Graco President 1.5:1 Ratio Pumps – Models 220559, 220562
- Graco High-Flo Pumps – Models 239835, 239838
Key Features
| Product Type | Pump Seal / Packing Repair Kit |
| Material | UHMWPE Packings with Durable Elastomer Seals |
| Application | Medium-Volume High-Flo Piston Pumps |
| Function | Seals piston and throat area to prevent leaks and pressure loss |
| Installation | Direct OEM replacement, no modification required |
Why Replace the Pump Seal Kit?
- Restores full pressure output and consistent fluid flow
- Prevents paint, coating, or fluid leakage
- Reduces wear on internal pump components
- Extends the overall service life of the pump
- Maintains safe and reliable pump operation
Frequently Asked Questions
The kit includes piston packings, throat seals, O-rings, and gaskets required for a complete seal replacement in compatible High-Flo Graco pumps.
Yes, this is a genuine OEM Graco repair kit designed to meet factory specifications for sealing performance and durability.
Seal replacement depends on usage, pressure levels, and fluid type. In high-duty applications, inspection is recommended every 6–12 months.
No, this kit should only be used on the specified Graco pump models to ensure proper sealing, safety, and performance.