Graco 255538 Kit, Piston, L500 (All)

The Graco 255538 Kit, Piston, L500 (All) is a genuine piston seal repair kit designed for servicing L500 (500cc) Check-Mate displacement pumps. This kit helps restore sealing performance, maintain pressure, and reduce fluid bypass caused by worn piston components.

Product Overview

The Graco 255538 Kit, Piston, L500 (All) contains the essential piston sealing components required to rebuild and maintain the piston assembly in compatible L500 displacement pumps. Replacing worn seals and guide bearings can help improve pump efficiency, extend service life, and reduce downtime in demanding industrial applications.

Kit Contents

Key Benefits

• Designed specifically for L500 Check-Mate displacement pumps.
• Helps restore proper piston sealing performance.
• Reduces fluid bypass and pressure loss.
• Supports reliable pump operation and longer service intervals.
• Manufactured to meet original Graco specifications.

Typical Applications

This piston repair kit is commonly used in industrial fluid handling systems equipped with L500 displacement pumps, including:

• Bulk material transfer systems
• Sealant and adhesive pumping equipment
• Industrial coating systems
• Dispensing and extrusion applications
• High-volume fluid transfer operations

Why Replace the Piston Seal Kit?

Regular maintenance of piston seals and guide bearings helps maintain consistent pump performance. Replacing worn components with the Graco 255538 Kit, Piston, L500 (All) can help prevent pressure loss, improve sealing efficiency, and reduce unexpected maintenance interruptions.

Frequently Asked Questions