Graco 25A198 Kit, Seal, Piston, 5.5"

The Graco 25A198 Kit, Seal, Piston, 5.5" is a genuine OEM replacement seal kit designed to restore the sealing performance of compatible 5.5-inch piston displacement pumps. Replacing worn piston seals helps maintain consistent fluid pressure, minimizes internal leakage, and extends the service life of your pumping equipment.

Compatible Machines

This kit is compatible with Graco equipment equipped with a 5.5-inch piston displacement pump, including:

• Graco heavy-duty industrial supply systems using a 5.5-inch displacement pump
• Graco bulk material transfer systems equipped with a 5.5-inch piston pump
• Graco sealant and adhesive pumping systems utilizing a 5.5-inch lower pump assembly

Product Features

• Genuine Graco OEM replacement part.
• Designed for 5.5-inch piston displacement pumps.
• Restores proper piston sealing performance.
• Helps reduce internal fluid bypass and pressure loss.
• Supports dependable pump operation and longer service intervals.
• Manufactured to meet original equipment specifications for fit and reliability.

Why Replace the Piston Seal Kit?

Piston seals naturally wear over time due to continuous operation and exposure to demanding materials. Installing a new seal kit helps restore sealing efficiency, maintain consistent pump output, and reduce unplanned downtime caused by worn sealing components.

Frequently Asked Questions

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