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Graco 15A552 Replacement Seal

The Graco 15A552 Replacement Seal ensures leak-free operation and restores pressure integrity in Graco pump and fluid systems.

  • OEM-quality seal for precise fit
  • Durable elastomer construction resists wear and chemicals
  • Prevents fluid leaks and maintains system pressure
  • Easy to replace during maintenance or rebuilds
  • Extends pump and system lifespan

List Price: $69.75
You save: $5.78 (8.29%)
Sale Price: $63.97
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Graco 15A552 Replacement Seal – Detailed Overview

The Graco 15A552 Replacement Seal is a genuine OEM component designed to restore sealing integrity in Graco fluid systems. As a critical sealing element, it helps prevent leaks, maintain pressure, and ensure consistent operation, especially after wear or during routine maintenance.

Compatible Machines

  • Graco airless sprayers and gun assemblies listed in parts breakdowns that reference part 15A552. 
  • Graco pump modules and fluid sections where the OEM parts list identifies this seal. 

Technical Specifications

Specification Details
Part Number 15A552
Component Type Replacement seal / O-ring type
Material High‑quality elastomer (chemical- and pressure‑resistant)
Function Maintains pressure integrity by sealing fluid passages, preventing leaks and loss of pressure
Application Used in fluid‑section rebuilds, gun maintenance, and high‑cycle systems to restore sealing performance

Key Features

  • OEM-grade seal: Manufactured to Graco’s original specifications for a precise fit and reliable performance.
  • Durable material: Designed to resist wear and chemical degradation from typical coatings and solvents.
  • Prevents leaks: Helps restore proper fluid containment and pressure balance in the system.
  • Easy to install: Replacement can be done during routine maintenance or rebuilds, minimizing downtime.
  • Cost-effective maintenance: Helps extend the life of your system by restoring proper sealing without replacing major components.

Frequently Asked Questions

The seal provides a fluid-tight barrier in Graco pump or gun assemblies, preventing leaks and maintaining internal pressure.

Replace it during pump rebuilds, service intervals, or if you detect fluid leaks or reduced pressure performance.

This is a genuine Graco replacement seal, made to OEM specifications for optimal performance and compatibility. 

During service or rebuild, remove the old seal carefully, clean the sealing surface, then fit the new 15A552 seal ensuring it sits flush before reassembling.

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